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Appendix EE.05 – Hydrologic/Water Resources

Tier 1 Final EIS Volume 1 Appendix EE.05 – Hydrologic/Water Resources

Data Matrices

Tier 1 Final EIS Volume 1 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Data

Freshwater Wetlands Existing Preferred Alternative Existing Preferred Alternative Existing Preferred Alternative Geography Affected Environment (Acres) Environmental Consequences (Acres) Context Area (Acres) Existing NEC including Existing NEC including Existing NEC including State County Preferred Alternative Preferred Alternative Preferred Alternative Hartford/SpringfieldLine Hartford/SpringfieldLine Hartford/SpringfieldLine DC District of Columbia 60 60 1 1 1,387 1,387 MD Prince George's County 153 153 3 3 1,785 1,785 MD Anne Arundel County 440 440 14 14 3,456 3,456 MD Howard County 1 1 0 0 136 136 MD Baltimore County 82 266 4 27 865 1,144 MD Baltimore City 3 11 0 1 243 243 MD Harford County 194 335 7 44 3,030 3,149 MD Cecil County 282 358 8 30 3,157 3,376 DE New Castle County 349 481 7 50 3,544 3,592 PA Delaware County 15 113 0 7 2,759 4,065 PA Philadelphia County 185 310 1 7 3,426 4,335 PA Bucks County 492 492 5 5 7,380 7,380 NJ Burlington County 0 0 0 0 3,752 3,752 NJ Mercer County 735 735 20 20 7,083 7,083 NJ Middlesex County 1,006 1,027 17 24 11,126 11,194 NJ Somerset County 0 0 0 0 468 470 NJ Union County 24 25 1 2 681 684 NJ Essex County 16 17 0 0 180 180 NJ Hudson County 22 35 1 1 203 204 NJ Bergen County 0 0 0 0 3 3 NY New York County 0 0 0 0 133 133 NY Kings County 0 0 0 0 0 0 NY Queens County 0 0 0 0 3 3 NY Bronx County 5 5 0 0 64 64 NY Westchester County 27 28 1 1 525 525 CT Fairfield County 126 165 2 4 1,752 1,816 CT New Haven County 720 720 14 14 7,795 7,795 CT Middlesex County 203 204 8 8 2,208 2,208 CT Hartford County 1,584 1,584 39 39 11,025 11,024 CT New London County 435 995 13 46 4,922 8,144 RI Washington County 1,609 1,856 58 81 17,892 18,034 RI Kent County 73 73 2 2 1,579 1,579 RI Providence County 43 43 1 1 1,958 1,958 MA Bristol County 504 504 17 17 7,290 7,289 MA Norfolk County 918 924 29 40 8,331 8,332 MA Middlesex County 0 0 0 0 259 259 MA Hampden County 660 660 22 22 3,157 3,157 MA Suffolk County 30 30 1 1 680 680 DC Total 60 60 1 1 1,387 1,387 MD Total 1,153 1,562 36 117 12,673 13,289 DE Total 349 481 7 50 3,544 3,592 PA Total 692 915 7 19 13,565 15,780 NJ Total 1,804 1,838 39 46 23,497 23,570 NY Total 32 33 1 1 726 726 CT Total 3,068 3,667 75 110 27,702 30,988 RI Total 1,725 1,972 60 84 21,430 21,570 MA Total 2,113 2,118 70 80 19,717 19,717 Grand Total 10,996 12,647 295 509 124,241 130,620

Tier 1 Final EIS Volume 1 1 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Data

Saltwater Wetlands Existing Preferred Alternative Existing Preferred Alternative Existing Preferred Alternative Geography Affected Environment (Acres) Environmental Consequences (Acres) Context Area (Acres) Existing NEC including Existing NEC including Existing NEC including State County Preferred Alternative Preferred Alternative Preferred Alternative Hartford/SpringfieldLine Hartford/SpringfieldLine Hartford/SpringfieldLine DC District of Columbia 0 0 0 0 0 0 MD Prince George's County 0 0 0 0 0 0 MD Anne Arundel County 0 0 0 0 0 0 MD Howard County 0 0 0 0 0 0 MD Baltimore County 231 250 9 9 7,605 7,689 MD Baltimore City 0 0 0 0 875 875 MD Harford County 341 507 18 29 11,375 11,377 MD Cecil County 112 112 0 0 6,963 6,970 DE New Castle County 564 827 1 25 8,424 9,148 PA Delaware County 0 0 0 0 702 702 PA Philadelphia County 0 0 0 0 0 0 PA Bucks County 0 0 0 0 0 0 NJ Burlington County 0 0 0 0 0 0 NJ Mercer County 0 0 0 0 0 0 NJ Middlesex County 27 29 2 4 698 701 NJ Somerset County 0 0 0 0 0 0 NJ Union County 0 0 0 0 792 805 NJ Essex County 37 38 0 1 426 427 NJ Hudson County 622 770 25 52 5,744 5,778 NJ Bergen County 0 0 0 0 1,453 1,453 NY New York County 257 340 17 33 3,306 3,372 NY Kings County 3 17 0 2 120 159 NY Queens County 24 49 1 6 1,247 1,278 NY Bronx County 164 166 4 6 5,797 5,810 NY Westchester County 10 22 0 1 7,947 8,177 CT Fairfield County 357 462 12 21 33,206 33,657 CT New Haven County 1,052 1,052 26 26 34,510 34,509 CT Middlesex County 426 459 14 22 13,143 13,151 CT Hartford County 0 0 0 0 0 0 CT New London County 2,000 2,131 71 87 35,070 35,443 RI Washington County 15 15 0 0 3,026 3,024 RI Kent County 282 282 2 2 3,209 3,208 RI Providence County 2 2 0 0 2,301 2,301 MA Bristol County 0 0 0 0 0 0 MA Norfolk County 0 0 0 0 0 0 MA Middlesex County 0 0 0 0 0 0 MA Hampden County 0 0 0 0 0 0 MA Suffolk County 35 35 1 1 2,687 2,687 DC Total 0 0 0 0 0 0 MD Total 684 870 27 38 26,818 26,911 DE Total 564 827 1 25 8,424 9,148 PA Total 0 0 0 0 702 702 NJ Total 686 837 28 57 9,113 9,164 NY Total 458 594 23 48 18,417 18,796 CT Total 3,835 4,104 123 156 115,929 116,759 RI Total 299 299 2 2 8,536 8,534 MA Total 35 35 1 1 2,687 2,687 Grand Total 6,561 7,566 205 326 190,626 192,700

Tier 1 Final EIS Volume 1 2 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Data

Floodplains Existing Preferred Alternative Existing Preferred Alternative Existing Preferred Alternative Geography Affected Environment (Acres) Environmental Consequences (Acres) Context Area (Acres) Existing NEC including Existing NEC including Existing NEC including State County Preferred Alternative Preferred Alternative Preferred Alternative Hartford/SpringfieldLine Hartford/SpringfieldLine Hartford/SpringfieldLine DC District of Columbia 121 121 7 7 3,254 3,254 MD Prince George's County 547 547 32 32 3,453 3,453 MD Anne Arundel County 745 744 49 49 4,680 4,680 MD Howard County 7 7 0 0 412 412 MD Baltimore County 374 687 12 55 5,140 5,682 MD Baltimore City 83 121 14 16 2,681 2,722 MD Harford County 948 1,498 61 179 16,734 17,303 MD Cecil County 606 862 34 108 12,271 12,691 DE New Castle County 1,643 2,366 51 135 15,326 16,712 PA Delaware County 291 474 7 36 5,726 7,615 PA Philadelphia County 478 1,398 21 91 7,246 8,395 PA Bucks County 535 534 21 21 8,808 8,808 NJ Burlington County 0 0 0 0 5,413 5,413 NJ Mercer County 440 440 33 33 7,261 7,260 NJ Middlesex County 994 1,037 43 45 9,174 9,199 NJ Somerset County 0 0 0 0 329 331 NJ Union County 158 161 5 10 5,972 5,999 NJ Essex County 366 377 23 45 4,458 4,463 NJ Hudson County 1,188 1,411 37 76 11,008 11,353 NJ Bergen County 0 0 0 0 1,644 1,644 NY New York County 264 299 7 7 3,538 3,610 NY Kings County 11 63 0 0 482 558 NY Queens County 161 247 5 5 1,860 1,881 NY Bronx County 497 502 50 57 4,451 4,492 NY Westchester County 232 252 2 4 5,860 5,860 CT Fairfield County 1,288 1,549 63 84 20,858 20,982 CT New Haven County 2,872 2,872 165 165 29,241 29,241 CT Middlesex County 820 859 46 48 8,856 8,867 CT Hartford County 2,444 2,444 136 136 15,606 15,606 CT New London County 3,332 3,754 235 258 20,960 23,194 RI Washington County 1,479 1,712 48 69 18,580 18,713 RI Kent County 488 488 15 15 4,589 4,589 RI Providence County 217 217 14 14 4,060 4,060 MA Bristol County 464 464 9 9 5,508 5,507 MA Norfolk County 393 393 12 20 4,629 4,628 MA Middlesex County 0 0 0 0 278 278 MA Hampden County 1,019 1,019 81 81 6,123 6,123 MA Suffolk County 80 80 2 2 1,979 1,979 DC Total 121 121 7 7 3,254 3,254 MD Total 3,308 4,466 202 440 45,371 46,941 DE Total 1,643 2,366 51 135 15,326 16,712 PA Total 1,304 2,406 49 148 21,780 24,818 NJ Total 3,146 3,426 141 209 45,259 45,661 NY Total 1,165 1,363 64 73 16,191 16,402 CT Total 10,755 11,477 645 691 95,521 97,889 RI Total 2,185 2,417 77 98 27,230 27,362 MA Total 1,956 1,956 103 111 18,517 18,516 Grand Total 25,584 29,999 1,339 1,911 288,450 297,557

Tier 1 Final EIS Volume 1 3 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Data

Geography Coastal Zone (Linear Miles) Existing NEC including State County Preferred Alternative Hartford/SpringfieldLine DC District of Columbia 0 0 MD Prince George's County 0 0 MD Anne Arundel County 0 0 MD Howard County 0 0 MD Baltimore County 0 0 MD Baltimore City 0 0 MD Harford County 0 1 MD Cecil County 0 0 DE New Castle County 23 41 PA Delaware County 6 12 PA Philadelphia County 5 10 PA Bucks County 16 16 NJ Burlington County 0 0 NJ Mercer County 0 0 NJ Middlesex County 0 0 NJ Somerset County 0 0 NJ Union County 0 0 NJ Essex County 0 0 NJ Hudson County 1 2 NJ Bergen County 0 0 NY New York County 3 4 NY Kings County 0 0 NY Queens County 1 2 NY Bronx County 6 6 NY Westchester County 3 7 CT Fairfield County 34 54 CT New Haven County 43 43 CT Middlesex County 12 14 CT Hartford County 0 0 CT New London County 34 63 RI Washington County 0 0 RI Kent County 0 0 RI Providence County 0 0 MA Bristol County 0 0 MA Norfolk County 0 0 MA Middlesex County 0 0 MA Hampden County 0 0 MA Suffolk County 1 1 DC Total 0 0 MD Total 1 1 DE Total 23 41 PA Total 28 38 NJ Total 1 2 NY Total 13 19 CT Total 124 175 RI Total 0 0 MA Total 1 1 Grand Total 190 276

Tier 1 Final EIS Volume 1 4 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Data

Geography Station Freshwater Wetlands Saltwater Wetlands Total Wetlands Floodplains In Coastal Zone State County ID Name Type (Acres) (Acres) (Acres) (Acres) (1=Yes/0=No) DC Washington, D.C. 1 Washington Union Existing 0 0 0 0 0 MD Prince George's 2 New Carrolton Existing 0 0 0 2 0 MD Prince George's 3 Seabrook Existing 0 0 0 0 0 MD Prince George's 4 Bowie State Existing 0 0 0 0 0 MD Anne Arundel 5 Odenton Modified 0 0 0 0 0 MD Anne Arundel 6 BWI Airport Existing 7 0 7 11 0 MD Baltimore County 7 Halethorpe Existing 0 0 0 4 0 MD Baltimore City 8 West Baltimore Existing 0 0 0 0 0 MD Baltimore City 10 Baltimore Penn Station Existing 0 0 0 14 0 MD Baltimore City 13 Bayview New 0 0 0 0 0 MD Baltimore County 15 Martin Airport Existing 0 0 0 0 0 MD Harford 16 Edgewood Existing 0 0 0 0 0 MD Harford 17 Aberdeen Existing 0 0 0 0 0 MD Cecil 22 Perryville Existing 0 0 0 0 0 MD Cecil 23 Elkton New 0 0 0 0 0 DE New Castle 24 Newark, DE Existing 3 0 3 0 1 DE New Castle 25 Churchman's Crossing Existing 1 0 1 0 1 DE New Castle 26 Newport New 0 0 0 1 1 DE New Castle 27 Wilmington Existing 0 0 0 12 1 DE New Castle 28 Edgemoor New 1 0 1 0 1 DE New Castle 29 Claymont Existing 0 0 0 1 1 PA Delaware 30 Marcus Hook Existing 0 0 0 0 1 PA Delaware 31 Highland Avenue Existing 0 0 0 0 1 PA Delaware 32 Chester Existing 0 0 0 7 1 PA Delaware 34 Baldwin New 0 0 0 3 1 PA Delaware 33 Eddystone Existing 0 0 0 5 1 PA Delaware 35 Crum Lynne Existing 0 0 0 4 0 PA Delaware 36 Ridley Park Existing 0 0 0 0 0 PA Delaware 37 Prospect Park Existing 0 0 0 0 0 PA Delaware 38 Norwood Existing 0 0 0 0 0 PA Delaware 39 Glenolden Existing 0 0 0 0 0 PA Delaware 40 Folcroft Existing 0 0 0 0 0 PA Delaware 41 Sharon Hill Existing 0 0 0 1 0 PA Delaware 42 Curtis Park Existing 0 0 0 0 0 PA Delaware 43 Darby Existing 0 0 0 0 0 PA Delaware 44 Philadelphia Airport New 1 0 1 11 1 PA Philadelphia 45 Philadelphia 30th St Existing 2 0 2 44 1 PA Philadelphia 47 North Philadelphia Existing 0 0 0 0 0 PA Philadelphia 48 Bridesburg Existing 0 0 0 0 0 PA Philadelphia 50 Tacony Existing 0 0 0 0 1 PA Philadelphia 51 Holmesburg Junction Existing 0 0 0 0 1 PA Philadelphia 52 Torresdale Existing 1 0 1 3 1 PA Bucks 53 Cornwells Heights Existing 4 0 4 0 1 PA Bucks 54 Eddington Existing 0 0 0 0 1 PA Bucks 55 Croyton Existing 0 0 0 3 1 PA Bucks 56 Bristol Existing 1 0 1 0 1 PA Bucks 57 Levittown Existing 0 0 0 0 1

Tier 1 Final EIS Volume 1 5 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Data

Geography Station Freshwater Wetlands Saltwater Wetlands Total Wetlands Floodplains In Coastal Zone State County ID Name Type (Acres) (Acres) (Acres) (Acres) (1=Yes/0=No) NJ Mercer 58 Trenton Existing 0 0 0 12 0 NJ Mercer 60 Hamilton Existing 0 0 0 0 0 NJ Mercer 61 Princeton Junction Modified 1 0 1 0 0 NJ Middlesex 62 North Brunswick New 5 0 5 0 0 NJ Middlesex 63 Jersey Avenue Existing 0 0 0 1 0 NJ Middlesex 64 New Brunswick Modified 0 0 0 0 0 NJ Middlesex 65 Edison Existing 4 0 4 0 0 NJ Middlesex 66 Metuchen Existing 0 0 0 0 0 NJ Middlesex 67 Metropark Existing 0 0 0 0 0 NJ Middlesex 68 Metropark H.S. New 0 0 0 2 0 NJ Union 69 Rahway Existing 0 0 0 1 0 NJ Union 70 Linden Existing 0 0 0 0 0 NJ Union 71 Elizabeth Existing 0 0 0 0 0 NJ Union 72 North Elizabeth Existing 0 0 0 0 0 NJ Essex 73 Newark Airport Existing 0 0 0 26 1 NJ Essex 74 Newark Penn Station Existing 0 1 1 5 1 NJ Hudson 76 Secaucus Modified 0 14 14 22 1 NY New York 77 Penn Station New York Existing 0 0 0 0 0 NY Bronx 78 Hunts Point New 0 0 0 2 0 NY Bronx 79 Parkchester New 0 0 0 0 0 NY Bronx 80 Morris Park New 0 0 0 3 1 NY Bronx 81 Co-op City New 0 4 4 13 1 NY Westchester 82 New Rochelle Existing 0 0 0 0 0 NY Westchester 83 Larchmont Existing 0 0 0 0 1 NY Westchester 84 Mamaroneck Existing 1 0 1 6 1 NY Westchester 85 Harrison Existing 0 0 0 0 0 NY Westchester 86 Rye Existing 0 0 0 1 0 NY Westchester 87 Cross-Westchester New 0 0 0 0 0 NY Westchester 88 Port Chester Existing 0 0 0 3 1 CT Fairfield 89 Greenwich Existing 0 0 0 5 1 CT Fairfield 90 Cos Cob Existing 0 0 0 0 1 CT Fairfield 91 Riverside Existing 0 0 0 0 1 CT Fairfield 92 Old Greenwich Existing 0 0 0 0 1 CT Fairfield 93 Stamford Existing 0 0 0 0 1 CT Fairfield 94 Stamford H.S. New 0 0 0 0 1 CT Fairfield 95 Noroton Heights Existing 0 0 0 0 1 CT Fairfield 96 Darien Existing 0 0 0 0 1 CT Fairfield 97 Rowayton Existing 1 0 1 3 1 CT Fairfield 98 South Norwalk Existing 0 0 0 0 1 CT Fairfield 99 East Norwalk Existing 0 0 0 0 1 CT Fairfield 100 Westport Existing 0 1 1 5 1 CT Fairfield 101 Greens Farms Modified 1 3 4 8 1 CT Fairfield 102 Southport Existing 0 0 0 1 1 CT Fairfield 103 Fairfield Existing 0 0 0 0 1 CT Fairfield 104 Fairfield Metro Existing 0 0 0 0 1 CT Fairfield 105 Bridgeport Existing 0 15 15 24 1 CT Fairfield 107 Barnum New 0 0 0 0 1

Tier 1 Final EIS Volume 1 6 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Data

Geography Station Freshwater Wetlands Saltwater Wetlands Total Wetlands Floodplains In Coastal Zone State County ID Name Type (Acres) (Acres) (Acres) (Acres) (1=Yes/0=No) CT Fairfield 108 Stratford Existing 0 0 0 3 1 CT New Haven 109 Milford Existing 0 0 0 0 1 CT New Haven 189 Orange New 2 0 2 0 1 CT New Haven 110 West Haven Existing 0 0 0 2 1 CT New Haven 111 New Haven Station Existing 0 0 0 15 1 CT New Haven 113 New Haven State Street Existing 0 0 0 2 1 CT New Haven 114 Branford Existing 1 0 1 6 1 CT New Haven 115 Guilford Existing 1 2 3 15 1 CT New Haven 116 Madison Existing 3 0 3 0 1 CT Middlesex 117 Clinton Existing 0 0 0 0 1 CT Middlesex 118 Westbrook Existing 2 0 2 3 1 CT Middlesex 119 Old Saybrook Existing 0 0 0 0 1 CT New London 121 New London Existing 0 5 5 18 1 CT New London 122 Mystic Existing 0 5 5 38 1 CT New London 124 Mystic / New London H.S. New 1 0 1 0 1 RI Washington 123 Westerly Existing 1 0 1 4 1 RI Washington 125 Kingston Existing 1 0 1 0 0 RI Washington 126 Wickford Junction Existing 2 0 2 5 0 RI Kent 127 TF Green Modified 0 0 0 0 0 RI Providence 128 Providence Existing 0 0 0 1 1 RI Providence 130 Pawtucket New 0 0 0 0 0 MA Bristol 131 South Attleboro Existing 0 0 0 0 0 MA Bristol 132 Attleboro Existing 0 0 0 0 0 MA Bristol 133 Mansfield Existing 1 0 1 1 0 MA Norfolk 134 Sharon Existing 2 0 2 6 0 MA Norfolk 135 Canton Junction Existing 0 0 0 0 0 MA Norfolk 136 Rte 128 Existing 7 0 7 9 0 MA Suffolk 137 Readville Existing 0 0 0 0 0 MA Suffolk 138 Hyde Park Existing 0 0 0 0 0 MA Suffolk 139 Forest Hills Existing 0 0 0 0 0 MA Suffolk 140 Ruggles Existing 0 0 0 0 0 MA Suffolk 141 Back Bay Existing 0 0 0 0 0 MA Suffolk 143 Boston South Station Existing 0 0 0 1 1 CT New Haven 157 North Haven New 3 0 3 2 1 CT New Haven 184 Wallingford Existing 0 0 0 0 0 CT New Haven 185 Meriden Existing 0 0 0 14 0 CT Hartford 160 Berlin Existing 0 0 0 0 0 CT Hartford 161 Newington New 0 0 0 3 0 CT Hartford 186 West Hartford New 0 0 0 0 0 CT Hartford 163 Hartford Modified 0 0 0 0 0 CT Hartford 168 Windsor Existing 0 0 0 4 0 CT Hartford 169 Windsor Locks Existing 2 0 2 5 0 CT Hartford 187 Enfield New 0 0 0 2 0 MA Hampden 170 Springfield Existing 0 0 0 0 0

Tier 1 Final EIS Volume 1 7 Appendix EE.05 – Hydrologic/Water Resources

Waterbody Analysis

Tier 1 Final EIS Volume 1 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Waterbody Analysis

Existing NEC including Hartford/Springfield Line Wild and Freshwater Saltwater State County Waterbody Name HUC12 HUC 12 Name Navigable Special WQ Designations SFHA CZMA Swath Construction Type Scenic Wetlands Wetlands DC District of Columbia Hickey Run 020700100204 Lower Anacostia River No 303(d) No No No Yes No Affected Environment DC District of Columbia Beaverdam Creek 020700100204 Lower Anacostia River No 303(d) No No No Yes No Affected Environment MD Prince George's Anacostia River 020700100204 Lower Anacostia River No 303(d)-Shellfish No Yes No Yes No Affected Environment MD Prince George's Beaverdam Creek 020700100204 Lower Anacostia River No No Yes No Yes No Affected Environment MD Prince George's Beaverdam Creek 020700100204 Lower Anacostia River No No Yes No Yes No Affected Environment MD Prince George's Beaverdam Creek 020700100204 Lower Anacostia River No No Yes No Yes No Affected Environment MD Prince George's Cabin Branch 020700100204 Lower Anacostia River No No No No Yes No Affected Environment MD Prince George's Beaverdam Creek 020700100204 Lower Anacostia River No No Yes No Yes No Affected Environment MD Prince George's Cattail Branch 020700100204 Lower Anacostia River No No No No Yes No Affected Environment MD Prince George's Folly Branch 020600060302 Northwest Branch of the Western Branch Patuxent River No 303(d) No Yes No Yes No Affected Environment MD Anne Arundel Stony Run 020600031102 Deep Run-Patapsco River No No Yes No Yes No Affected Environment MD Anne Arundel Stony Run 020600031102 Deep Run-Patapsco River No No Yes No Yes No Affected Environment MD Anne Arundel / Howard Deep Run 020600031102 Deep Run-Patapsco River No 303(d) No Yes No Yes No Affected Environment MD Anne Arundel / Howard / Baltimore County Patapsco River 020600031102 Deep Run-Patapsco River No Tier II No Yes No Yes No Affected Environment MD Baltimore County West Branch Herbert Run 020600031103 Herbert Run-Patapsco River No 303(d) No No No Yes No Affected Environment MD Baltimore County West Branch Herbert Run 020600031103 Herbert Run-Patapsco River No 303(d) No No No Yes No Affected Environment MD Baltimore County Northeast Creek 020600030703 Back River-Hawk Cove-Chesapeake Bay No No No Yes Yes Yes Affected Environment MD Baltimore County Stemmers Run 020600030703 Back River-Hawk Cove-Chesapeake Bay No No No No Yes No Affected Environment MD Baltimore County Brien Run 020600030703 Back River-Hawk Cove-Chesapeake Bay No No No No Yes No Affected Environment MD Baltimore County Frog Mortar Creek 020600030701 Middle River No No No No No No Affected Environment MD Baltimore County / Harford Bird River 020600030601 Whitemarsh Run-Bird River No No No Yes Yes Yes Affected Environment MD Baltimore County / Harford Gunpowder Falls 020600030602 Saltpeter Creek-Gunpowder River No Tier II No No Yes Yes Yes Affected Environment MD Harford Deep Spring Branch 020600030106 Bush River No No No Yes Yes Yes Affected Environment MD Harford Deep Spring Branch 020600030106 Bush River No No No Yes Yes Yes Affected Environment MD Harford Deep Spring Branch 020600030106 Bush River No No Yes No Yes No Affected Environment MD Harford Deep Spring Branch 020600030106 Bush River No No Yes No Yes No Affected Environment MD Harford Deep Spring Branch 020600030106 Bush River No No Yes No Yes No Affected Environment MD Cecil North East Creek 020600020102 North East Creek No 303(d) No Yes No Yes No Affected Environment MD Cecil Little North East Creek 020600020102 North East Creek No Tier II No No No Yes No Affected Environment MD Cecil Little North East Creek 020600020101 Little North East Creek No Tier II No Yes No Yes No Affected Environment DE New Castle Persimmon Run 020402050502 Upper Christina River No 303(d) No No No Yes Yes Affected Environment DE New Castle Persimmon Run 020402050502 Upper Christina River No 303(d) No No No Yes Yes Affected Environment DE New Castle White Clay Creek 020402050308 Lower White Clay Creek No Yes Yes No Yes Yes Affected Environment DE New Castle White Clay Creek 020402050308 Lower White Clay Creek No Yes Yes No Yes Yes Affected Environment DE New Castle Red Clay Creek 020402050307 Red Clay Creek No Yes Yes No Yes Yes Affected Environment DE New Castle Red Clay Creek 020402050307 Red Clay Creek No Yes Yes No Yes Yes Affected Environment DE New Castle Christina River 020402050505 Lower Christina River Yes 303(d)-CWF No No Yes Yes Yes Affected Environment DE New Castle Newport Marsh 020402050505 Lower Christina River No 303(d) No No Yes No Yes Affected Environment DE New Castle Christina River 020402050505 Lower Christina River Yes 303(d)-CWF No No Yes Yes Yes Affected Environment DE New Castle Christina River 020402050505 Lower Christina River Yes 303(d)-CWF No No Yes Yes Yes Affected Environment PA Delaware Stoney Creek 020402020607 Repaupo Creek-Delaware River No No No No Yes Yes Affected Environment PA Philadelphia Schuylkill River 020402031008 City of Philadelphia-Schuylkill River Yes Category 5 No Yes No Yes Yes Affected Environment PA Philadelphia Schuylkill River 020402031008 City of Philadelphia-Schuylkill River No Category 5 No Yes No Yes Yes Affected Environment PA Philadelphia Schuylkill River 020402031008 City of Philadelphia-Schuylkill River No Category 5 No Yes No Yes Yes Affected Environment PA Bucks Silver Lake 020402010405 Mill Creek-Silver Lake No 303(d)/Category 5 No Yes No Yes Yes Affected Environment PA Bucks Van Sciver Lake 020402010404 Van Sciver Lake-Delaware River No No Yes No Yes Yes Affected Environment PA Bucks Van Sciver Lake 020402010404 Van Sciver Lake-Delaware River No No Yes No Yes Yes Affected Environment PA Bucks Van Sciver Lake 020402010404 Van Sciver Lake-Delaware River No No Yes No Yes Yes Affected Environment PA / NJ Bucks / Mercer Delaware River 020401050911 Buck Creek-Delaware River Yes No Yes No Yes Yes Affected Environment NJ Mercer Assunpink Creek Tributary 020401050803 Lower Assunpink Creek No Category 1 No Yes No Yes No Affected Environment NJ Mercer Miry Run Tributary 020401050802 Miry Run No 303(d) No Yes No No No Affected Environment NJ Mercer Miry Run Tributary 020401050802 Miry Run No 303(d) No Yes No No No Affected Environment NJ Mercer Miry Run Tributary 020401050802 Miry Run No 303(d) No Yes No No No Affected Environment NJ Mercer Miry Run Tributary 020401050802 Miry Run No 303(d) No Yes No No No Affected Environment NJ Mercer Assunpink Creek Tributary 020401050801 Upper Assunpink Creek No Category 1 No Yes No Yes No Affected Environment NJ Mercer Assunpink Creek Tributary 020401050801 Upper Assunpink Creek No Category 1 No Yes No Yes No Affected Environment NJ Mercer Shipetaukin Creek Tributary 020401050803 Lower Assunpink Creek No No Yes No Yes No Affected Environment NJ Mercer Shipetaukin Creek Tributary 020401050803 Lower Assunpink Creek No No Yes No Yes No Affected Environment NJ Mercer Shipetaukin Creek Tributary 020401050803 Lower Assunpink Creek No No Yes No No No Affected Environment NJ Mercer Duck Pond Run Tributary 020301050307 Upper No 303(d) No Yes No Yes No Affected Environment NJ Mercer Duck Pond Run Tributary 020301050307 Upper Millstone River No 303(d) No Yes No Yes No Affected Environment NJ Mercer Duck Pond Run Tributary 020301050307 Upper Millstone River No 303(d) No Yes No No No Affected Environment NJ Mercer Tributary 020301050307 Upper Millstone River No No Yes No Yes No Affected Environment NJ Mercer Bear Brook Tributary 020301050304 Bear Brook No 303(d) No Yes No Yes No Affected Environment NJ Mercer Bear Brook 020301050307 Upper Millstone River No 303(d) No Yes No Yes No Affected Environment NJ Middlesex Millstone River Tributary 020301050307 Upper Millstone River No 303(d) No Yes No Yes No Affected Environment NJ Mercer Millstone River Tributary 020301050307 Upper Millstone River No 303(d) No Yes No Yes No Affected Environment NJ Middlesex Millstone River Tributary 020301050307 Upper Millstone River No 303(d) No Yes No Yes No Affected Environment NJ Middlesex 020301050305 Cranbury Brook No 303(d) No Yes No Yes No Affected Environment

Tier 1 Final EIS Volume 1 1 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Waterbody Analysis

Existing NEC including Hartford/Springfield Line Wild and Freshwater Saltwater State County Waterbody Name HUC12 HUC 12 Name Navigable Special WQ Designations SFHA CZMA Swath Construction Type Scenic River Wetlands Wetlands NJ Middlesex Bee Brook 020301050306 No No Yes No Yes No Affected Environment NJ Middlesex Devils Brook Tributary 020301050306 Devils Brook No 303(d) No Yes No Yes No Affected Environment NJ Middlesex Devils Brook Tributary 020301050306 Devils Brook No 303(d) No Yes No Yes No Affected Environment NJ Middlesex 020301050306 Devils Brook No 303(d) No Yes No Yes No Affected Environment NJ Middlesex Devils Brook Tributary 020301050306 Devils Brook No 303(d) No Yes No No No Affected Environment NJ Middlesex Devils Brook Tributary 020301050306 Devils Brook No 303(d) No Yes No Yes No Affected Environment NJ Middlesex Devils Brook Tributary 020301050306 Devils Brook No 303(d) No Yes No Yes No Affected Environment NJ Middlesex Tributary 020301050505 Lawrence Brook No 303(d) No Yes No Yes No Affected Environment NJ Middlesex Great Ditch Tributary 020301050505 Lawrence Brook No Category 1 No Yes No No No Affected Environment NJ Middlesex Deans Pond Tributary 020301050505 Lawrence Brook No No Yes No Yes No Affected Environment NJ Middlesex Deans Pond Tributary 020301050505 Lawrence Brook No No Yes No No No Affected Environment NJ Middlesex Oakeys Brook Tributary 020301050505 Lawrence Brook No No Yes No Yes No Affected Environment NJ Middlesex Oakeys Brook Tributary 020301050505 Lawrence Brook No No Yes No No No Affected Environment NJ Middlesex Oakeys Brook Tributary 020301050505 Lawrence Brook No No Yes No No No Affected Environment NJ Middlesex Oakeys Brook Tributary 020301050505 Lawrence Brook No No Yes No Yes No Affected Environment NJ Middlesex Oakeys Brook Tributary 020301050505 Lawrence Brook No No Yes No Yes No Affected Environment NJ Middlesex Lawrence Brook Tributary 020301050505 Lawrence Brook No 303(d) No Yes No No No Affected Environment NJ Middlesex Lawrence Brook Tributary 020301050505 Lawrence Brook No 303(d) No Yes No No No Affected Environment NJ Middlesex Mill Brook Tributary 020301050506 Mile Run- No No Yes No Yes No Affected Environment NJ Middlesex Mill Brook Tributary 020301050506 Mile Run-Raritan River No No No No Yes No Affected Environment NJ Middlesex Mill Brook Tributary 020301050506 Mile Run-Raritan River No No No No No No Affected Environment NJ Middlesex Mill Brook Tributary 020301050506 Mile Run-Raritan River No No Yes No Yes No Affected Environment NJ Middlesex Mill Brook Tributary 020301050506 Mile Run-Raritan River No No Yes No No No Affected Environment NJ Middlesex Ambrose Brook Tributary 020301050503 Ambrose Brook No No Yes No Yes No Affected Environment NJ Middlesex Ambrose Brook Tributary 020301050503 Ambrose Brook No No Yes No No No Affected Environment NJ Middlesex Bound Brook Tributary 020301050504 Green Brook No No Yes No No No Affected Environment NJ Middlesex South Branch Rahway River 020301040103 South Branch No 303(d) No Yes No Yes No Affected Environment NJ Middlesex South Branch Rahway River Tributary 020301040103 South Branch No 303(d) No Yes No Yes No Affected Environment NJ Middlesex South Branch Rahway River Tributary 020301040103 South Branch No No Yes No No No Affected Environment NJ Middlesex South Branch Rahway River 020301040103 South Branch No 303(d) No Yes No Yes No Affected Environment NJ Middlesex South Branch Rahway River Tributary 020301040103 South Branch No No Yes No Yes No Affected Environment NJ Middlesex South Branch Rahway River Tributary 020301040103 South Branch No No Yes No Yes No Affected Environment NJ Middlesex South Branch Rahway River Tributary 020301040103 South Branch No No Yes No Yes No Affected Environment NJ Middlesex South Branch Rahway River 020301040103 South Branch No 303(d) No Yes No Yes No Affected Environment NJ Union South Branch Rahway River 020301040103 South Branch No 303(d) No Yes No Yes No Affected Environment NJ Union Robinsons Branch 020301040102 Middlesex Reservoir-Robinsons Branch No 303(d) No Yes No Yes Yes Affected Environment NJ Union Robinsons Branch 020301040104 Lower Rahway River No 303(d) No Yes No Yes Yes Affected Environment NJ Essex Elizabeth Channel 020301040203 Newark Bay No 303(d) No Yes No Yes No Affected Environment NJ Essex Elizabeth Channel Tributary 020301040203 Newark Bay No No Yes No Yes No Affected Environment NJ Hudson Passaic River Tributary 020301030805 Second River-Passaic River No No No Yes Yes Yes Affected Environment NJ Essex / Hudson Passaic River 020301030805 Second River-Passaic River Yes 303(d) No No Yes Yes Yes Affected Environment NJ Hudson Hackensack River Tributary 020301030906 Lower Hackensack River No 303(d) No No No Yes No Affected Environment NJ Hudson Hackensack River Tributary 020301030906 Lower Hackensack River No 303(d) No No Yes Yes No Affected Environment NJ Hudson Hackensack River Tributary 020301030906 Lower Hackensack River No 303(d) No No Yes Yes Yes Affected Environment NJ Hudson Hackensack River Tributary 020301030906 Lower Hackensack River No 303(d) No No Yes Yes Yes Affected Environment NJ Hudson Penhorn Creek Tributary 020301030906 Lower Hackensack River No No No Yes Yes No Affected Environment NJ Hudson Penhorn Creek 020301030906 Lower Hackensack River No No No Yes Yes Yes Affected Environment NJ Hudson Penhorn Creek Tributary 020301030906 Lower Hackensack River No No No No Yes No Affected Environment NJ Hudson Penhorn Creek Tributary 020301030906 Lower Hackensack River No No No Yes Yes No Affected Environment NJ Hudson Penhorn Creek Tributary 020301030906 Lower Hackensack River No No No Yes Yes No Affected Environment NJ Hudson Penhorn Creek Tributary 020301030906 Lower Hackensack River No No Yes Yes Yes No Affected Environment NJ Hudson Hackensack Reservoir Number Two 020301010405 East River- No 303(d) No Yes No No No Affected Environment NY Kings / Queens Newtown Creek 020301010405 East River-Hudson River Yes No No Yes Yes Yes Affected Environment NY Westchester Sheldrake River 020301020202 Sheldrake River-Mamaroneck River No 303(d)-Category A No Yes No Yes Yes Affected Environment NY Westchester Beaver Swamp Brook 020301020202 Sheldrake River-Mamaroneck River No No Yes No Yes No Affected Environment CT Fairfield 020302030000 Deep No 303(d) No No Yes Yes No Affected Environment CT Fairfield Goodwives River 011000060404 Fivemile River No Category A SW No Yes No Yes Yes Affected Environment CT Fairfield Sherwood Millpond 011000060303 -Frontal Long Island Sound No 303(d) No No Yes Yes Yes Affected Environment CT Fairfield Pine Creek 011000060303 Rooster River-Frontal Long Island Sound No Category A SW No No No No Yes Affected Environment CT Fairfield Rooster River 011000060303 Rooster River-Frontal Long Island Sound No 303(d) No Yes Yes Yes Yes Affected Environment CT New Haven Stubby Plain Brook 011000040303 Milford Harbor-Frontal Long Island Sound No 303(d)-Category A SW No No Yes Yes Yes Affected Environment CT New Haven Stubby Plain Brook 011000040303 Milford Harbor-Frontal Long Island Sound No 303(d)-Category A SW No No Yes Yes Yes Affected Environment CT New Haven Gulf Pond 011000040303 Milford Harbor-Frontal Long Island Sound No 303(d)-Category A SW No No Yes Yes Yes Affected Environment CT New Haven Indian River 011000040303 Milford Harbor-Frontal Long Island Sound No 303(d)-Category A SW No No Yes Yes No Affected Environment CT New Haven Indian River 011000040303 Milford Harbor-Frontal Long Island Sound No 303(d)-Category A SW No No Yes Yes Yes Affected Environment CT New Haven Farley Swamp 011000040304 Cove River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Affected Environment CT New Haven Quirks Pond 011000040304 Cove River-Frontal Long Island Sound No Category A SW No Yes No No Yes Affected Environment CT New Haven Phipps Lake 011000040304 Cove River-Frontal Long Island Sound No Category A SW No Yes No No Yes Affected Environment CT New Haven Tuttle Brook 011000040208 Indian River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Affected Environment

Tier 1 Final EIS Volume 1 2 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Waterbody Analysis

Existing NEC including Hartford/Springfield Line Wild and Freshwater Saltwater State County Waterbody Name HUC12 HUC 12 Name Navigable Special WQ Designations SFHA CZMA Swath Construction Type Scenic River Wetlands Wetlands CT New Haven Tuttle Brook 011000040208 Indian River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Affected Environment CT New Haven Hoadley Creek 011000040208 Indian River-Frontal Long Island Sound No 303(d)-Category A SW No No Yes Yes Yes Affected Environment CT New Haven Game Farm Pond 011000040203 East River-Frontal Guilford Harbor No 303(d)-Category A SW No Yes No Yes Yes Affected Environment CT New Haven Tuxis Pond 011000040208 Indian River-Frontal Long Island Sound No Category A SW No Yes No No Yes Affected Environment CT New Haven / Middlesex 011000040202 Hammonasset River-Frontal Clinton Harbor No 303(d) No No Yes Yes Yes Affected Environment CT Middlesex Indian River 020302030000 Long Island Sound Deep No 303(d)-Category A SW No No Yes Yes Yes Affected Environment CT Middlesex Hagar Creek 011000040207 Patchogue River-Frontal Westbrook Harbor No Category A SW No Yes No Yes Yes Affected Environment CT Middlesex Fishing Brook 011000040207 Patchogue River-Frontal Westbrook Harbor No 303(d) No Yes No Yes Yes Affected Environment CT Middlesex Mill Meadows 011000040207 Patchogue River-Frontal Westbrook Harbor No 303(d) No No Yes Yes Yes Affected Environment CT New London 010802050905 Joshua Creek- River No 303(d) No No Yes Yes Yes Affected Environment CT New London Pattagansett River 011000030306 Pattagansett River-Frontal Long Island Sound No 303(d) No No Yes Yes Yes Affected Environment CT New London Pattagansett River 011000030306 Pattagansett River-Frontal Long Island Sound No 303(d) No No Yes Yes Yes Affected Environment CT New London Birch Plain Creek 011000030303 Stony Brook-Frontal Fishers Island Sound No Category A SW No Yes No Yes Yes Affected Environment CT New London Quanaduck Cove 011000030303 Stony Brook-Frontal Fishers Island Sound Yes 303(d)-Category A SW No No Yes Yes Yes Affected Environment CT / RI New London / Washington 010900050303 Lower Pawcatuck River Yes 303(d) No Yes Yes Yes Yes Affected Environment RI Washington Chapman Pond 010900050205 Tomaquag Brook-Pawcatuck River No 303(d) No Yes No Yes No Affected Environment RI Washington Pawcatuck River 010900050205 Tomaquag Brook-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Affected Environment RI Washington Pawcatuck River 010900050205 Tomaquag Brook-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Affected Environment RI Washington Pawcatuck River 010900050205 Tomaquag Brook-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Affected Environment RI Washington Pawcatuck River 010900050205 Tomaquag Brook-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Affected Environment RI Washington Meadow Brook Pond 010900050205 Tomaquag Brook-Pawcatuck River No 303(d) No Yes No Yes No Affected Environment RI Washington Beaver River 010900050204 -Pawcatuck River No No Yes No No No Affected Environment RI Washington Beaver River 010900050203 Beaver River No 303(d) No Yes No Yes No Affected Environment RI Washington Pasquiset Brook 010900050204 Usquepaug River-Pawcatuck River No No Yes No No No Affected Environment RI Washington Chickasheen Brook 010900050204 Usquepaug River-Pawcatuck River No No Yes No Yes No Affected Environment RI Washington Chickasheen Brook 010900050204 Usquepaug River-Pawcatuck River No No Yes No Yes No Affected Environment RI Washington Chickasheen Brook 010900050204 Usquepaug River-Pawcatuck River No No Yes No Yes No Affected Environment RI Washington Thirty Acre Pond 010900050201 -Pawcatuck River No 303(d) No Yes No Yes No Affected Environment RI Washington Hundred Acre Pond 010900050201 Chipuxet River-Pawcatuck River No 303(d) No Yes No Yes No Affected Environment RI Washington Chipuxet River 010900050201 Chipuxet River-Pawcatuck River No 303(d) No Yes No Yes No Affected Environment RI Washington Chipuxet River 010900050201 Chipuxet River-Pawcatuck River No 303(d) No Yes No Yes No Affected Environment RI Washington Chipuxet River 010900050201 Chipuxet River-Pawcatuck River No 303(d) No Yes No Yes No Affected Environment RI Washington Chipuxet River 010900050201 Chipuxet River-Pawcatuck River No No Yes No No No Affected Environment RI Washington 010900040908 Lower West Passage No 303(d) No Yes No Yes No Affected Environment RI Washington Annaquatucket River 010900040908 Lower West Passage No 303(d) No Yes No Yes No Affected Environment RI Washington Sandhill Brook 010900040904 Hunt River No 303(d) No Yes No Yes No Affected Environment RI Washington Sandhill Brook 010900040904 Hunt River No 303(d) No Yes No Yes No Affected Environment RI Washington Black Swamp 010900040904 Hunt River No 303(d) No Yes No Yes No Affected Environment RI Kent Greenwich Bay 010900040903 Greenwich Bay Yes 303(d)-SAMP-SW No No Yes Yes Yes Affected Environment RI Kent Greenwich Bay 010900040903 Greenwich Bay Yes 303(d)-SAMP-SW No No Yes Yes Yes Affected Environment RI Kent Gorton Pond 010900040903 Greenwich Bay No SAMP-SW No Yes No Yes No Affected Environment RI Kent Three Ponds 010900040609 No 303(d) No Yes No No No Affected Environment RI Kent Three Ponds Brook 010900040609 Pawtuxet River No 303(d) No No No No No Affected Environment RI Kent Three Ponds 010900040609 Pawtuxet River No 303(d) No Yes No No No Affected Environment RI Providence Roosevelt Lake 010900040609 Pawtuxet River No 303(d) No Yes No Yes No Affected Environment RI Providence Mashapaug Pond 010900040609 Pawtuxet River No 303(d) No Yes No Yes No Affected Environment RI Providence 010900040502 Woonasquatucket River No 303(d) No Yes No Yes Yes Affected Environment RI Providence Woonasquatucket River 010900040502 Woonasquatucket River No 303(d) No Yes No Yes Yes Affected Environment RI Providence Woonasquatucket River 010900040502 Woonasquatucket River No 303(d) No Yes No Yes Yes Affected Environment RI Providence Woonasquatucket River 010900040502 Woonasquatucket River No 303(d) No Yes No Yes Yes Affected Environment RI Providence 010900040501 Moshassuck River No 303(d) No No No Yes No Affected Environment RI Providence Sevenmile River 010900040401 Ten Mile River No 303(d) No Yes No Yes No Affected Environment MA Bristol Oak Hill Stream 010900040401 Ten Mile River No No Yes No Yes No Affected Environment MA Bristol East Junction Stream 010900040401 Ten Mile River No No Yes No Yes No Affected Environment MA Bristol 010900040401 Ten Mile River No Class B No Yes No Yes No Affected Environment MA Bristol Bungay River 010900040401 Ten Mile River No Class B No Yes No Yes No Affected Environment MA Bristol Bungay River 010900040401 Ten Mile River No Class B No Yes No Yes No Affected Environment MA Bristol Bungay River 010900040401 Ten Mile River No Class B No Yes No Yes No Affected Environment MA Bristol Wading River Reservoir 010900040301 Wading River No 303(d)-Class A/B SW No Yes No Yes No Affected Environment MA Bristol Fulton Pond 010900040302 Threemile River No 303(d)-Class B SW No Yes No Yes No Affected Environment MA Norfolk Glue Factory Pond 010900040302 Threemile River No 303(d)-Class B SW No Yes No Yes No Affected Environment MA Norfolk 010900040302 Threemile River No 303(d) No Yes No Yes No Affected Environment MA Norfolk Greeleys Pond 010900040801 No No Yes No Yes No Affected Environment MA Norfolk 010900040801 Mill River No No Yes No Yes No Affected Environment MA Norfolk Purgatory Brook 010900010803 Outlet -Frontal Boston Harbor No No Yes No Yes No Affected Environment MA Norfolk Pecunit Brook 010900010803 Outlet Neponset River-Frontal Boston Harbor No No Yes No No No Affected Environment MA Norfolk Ponkapoag Brook 010900010803 Outlet Neponset River-Frontal Boston Harbor No No Yes No No No Affected Environment MA Norfolk Neponset River 010900010803 Outlet Neponset River-Frontal Boston Harbor No 303(d) No Yes No Yes No Affected Environment MA Norfolk Fowl Meadows 010900010803 Outlet Neponset River-Frontal Boston Harbor No 303(d)-Class B SW No Yes No No No Affected Environment

Tier 1 Final EIS Volume 1 3 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Waterbody Analysis

Existing NEC including Hartford/Springfield Line Wild and Freshwater Saltwater State County Waterbody Name HUC12 HUC 12 Name Navigable Special WQ Designations SFHA CZMA Swath Construction Type Scenic River Wetlands Wetlands MA Suffolk Sprague Pond 010900010803 Outlet Neponset River-Frontal Boston Harbor No 303(d)-Class B SW No Yes No Yes No Affected Environment MA Suffolk Neponset River 010900010803 Outlet Neponset River-Frontal Boston Harbor No 303(d) No Yes No Yes No Affected Environment MA Suffolk Neponset River 010900010803 Outlet Neponset River-Frontal Boston Harbor No 303(d) No Yes No Yes No Affected Environment MA Suffolk Stony Brook 010900010704 -Frontal Boston Harbor No No No No No No Affected Environment CT New Haven 011000040105 Outlet Quinnipiac River Yes 303(d) No No Yes Yes Yes Affected Environment CT New Haven Quinnipiac River 011000040105 Outlet Quinnipiac River Yes 303(d) No No Yes Yes Yes Affected Environment CT New Haven Quinnipiac River 011000040105 Outlet Quinnipiac River Yes No Yes No Yes Yes Affected Environment CT New Haven Quinnipiac River 011000040105 Outlet Quinnipiac River Yes 303(d) No Yes No Yes Yes Affected Environment CT New Haven Quinnipiac River 011000040105 Outlet Quinnipiac River Yes 303(d) No Yes No Yes Yes Affected Environment CT New Haven Wharton Brook 011000040105 Outlet Quinnipiac River No 303(d) No Yes No Yes No Affected Environment CT New Haven Wharton Brook 011000040105 Outlet Quinnipiac River No 303(d) No Yes No Yes No Affected Environment CT New Haven Wharton Brook 011000040105 Outlet Quinnipiac River No 303(d) No Yes No Yes No Affected Environment CT New Haven Quinnipiac River 011000040105 Outlet Quinnipiac River No No Yes No Yes No Affected Environment CT Brook 011000040103 Headwaters Quinnipiac River No 303(d)-Category A SW No Yes No Yes No Affected Environment CT New Haven Cathole Brook 011000040103 Headwaters Quinnipiac River No No Yes No No No Affected Environment CT Hartford Piper Brook 010802050303 Piper Brook- No Category A SW No Yes No Yes No Affected Environment CT Hartford South Branch Park River 010802050303 Piper Brook-Park River No 303(d) No Yes No Yes No Affected Environment CT Hartford South Branch Park River 010802050303 Piper Brook-Park River No 303(d) No Yes No Yes No Affected Environment CT Hartford South Branch Park River 010802050303 Piper Brook-Park River No 303(d) No No No Yes No Affected Environment CT Hartford Park River 010802050303 Piper Brook-Park River No 303(d) No No No No No Affected Environment CT Hartford Park River 010802050303 Piper Brook-Park River No 303(d) No No No No No Affected Environment CT Hartford 010802050502 Stoughton Brook-Connecticut River Yes 303(d) - Class SB (Shellfish) No Yes No Yes No Affected Environment CT Hartford Newberry Brook 010802050502 Stoughton Brook-Connecticut River No Class A - SW No Yes No Yes No Affected Environment CT Hartford Blue Ditch 010802050105 Freshwater Brook-Connecticut River No Class B No Yes No Yes No Affected Environment CT Hartford Connecticut River 010802050105 Freshwater Brook-Connecticut River Yes 303(d) - Class B No Yes No Yes No Affected Environment CT Hartford Adds Brook 010802050105 Freshwater Brook-Connecticut River No Class A - SW No No No No No Affected Environment CT Hartford Connecticut River 010802050105 Freshwater Brook-Connecticut River Yes 303(d) - Class B No Yes No Yes No Affected Environment CT Hartford Connecticut River 010802050105 Freshwater Brook-Connecticut River Yes 303(d) - Class B No Yes No Yes No Affected Environment CT Hartford Boweyns Brook 010802050105 Freshwater Brook-Connecticut River No Class B No Yes No Yes No Affected Environment CT Hartford Connecticut River 010802050105 Freshwater Brook-Connecticut River Yes 303(d) - Class B No Yes No Yes No Affected Environment CT Hartford Connecticut River 010802050105 Freshwater Brook-Connecticut River Yes 303(d) - Class B No Yes No Yes No Affected Environment CT Hartford Rawlins Brook 010802050105 Freshwater Brook-Connecticut River No Class B No Yes No Yes No Affected Environment CT Hartford Connecticut River 010802050102 Pecousic Brook-Connecticut River Yes 303(d) - Class B No Yes No Yes No Affected Environment CT Hartford Grape Brook 010802050102 Pecousic Brook-Connecticut River No Class A - SW No Yes No Yes No Affected Environment CT Hartford Deep Brook 010802050102 Pecousic Brook-Connecticut River No Class B No Yes No Yes No Affected Environment MA Hampden Connecticut River 010802050102 Pecousic Brook-Connecticut River Yes 303(d) - Class B No Yes No Yes No Affected Environment MA Hampden Pecousic Brook 010802050102 Pecousic Brook-Connecticut River No Class B No No No No No Affected Environment MA Hampden 010802050102 Pecousic Brook-Connecticut River No Class B No Yes No Yes No Affected Environment MA Hampden Connecticut River 010802010702 Stony Brook-Connecticut River Yes Class B No Yes No Yes No Affected Environment DC District of Columbia Anacostia River 020700100204 Lower Anacostia River No 303(d) No Yes No Yes No Representative Route MAJOR BRIDGE MD Prince George's Beaverdam Creek 020700100204 Lower Anacostia River No No Yes No Yes No Representative Route COMMON GRADE MD Prince George's Beaverdam Creek 020700100204 Lower Anacostia River No No Yes No Yes No Representative Route COMMON GRADE MD Prince George's Bald Hill Branch 020600060302 Northwest Branch of the Western Branch Patuxent River No Tier II No No No Yes No Representative Route COMMON GRADE MD Prince George's Folly Branch 020600060302 Northwest Branch of the Western Branch Patuxent River No 303(d) No Yes No Yes No Representative Route COMMON GRADE MD Prince George's Newstop Branch 020600060401 Horsepen Branch-Patuxent River No 303(d) No Yes No No No Representative Route COMMON GRADE MD Anne Arundel / Prince George's Patuxent River 020600060401 Horsepen Branch-Patuxent River No 303(d) No Yes No Yes No Representative Route AERIAL MD Anne Arundel Little Patuxent River 020600060203 Towsers Branch-Little Patuxent River No 303(d) No Yes No Yes No Representative Route EMBANKMENT MD Anne Arundel Midway Branch 020600060203 Towsers Branch-Little Patuxent River No 303(d) No Yes No Yes No Representative Route EMBANKMENT MD Anne Arundel Severn Run 020600040201 Severn Run No Shellfish No Yes No Yes No Representative Route COMMON GRADE MD Anne Arundel / Baltimore County Patapsco River 020600031103 Herbert Run-Patapsco River No Tier II No Yes No Yes No Representative Route MAJOR BRIDGE MD Baltimore County Herbert Run 020600031103 Herbert Run-Patapsco River No 303(d) No Yes No Yes No Representative Route COMMON GRADE MD Baltimore County Herbert Run 020600031103 Herbert Run-Patapsco River No 303(d) No Yes No Yes No Representative Route COMMON GRADE MD Baltimore County Herbert Run 020600031103 Herbert Run-Patapsco River No 303(d) No Yes No Yes No Representative Route COMMON GRADE MD Baltimore City Maidens Choice Run 020600030902 Dead Run-Gywnns Falls No No No No Yes No Representative Route COMMON GRADE MD Baltimore City Gwynns Falls 020600030902 Dead Run-Gywnns Falls No No Yes No Yes No Representative Route MAJOR BRIDGE MD Baltimore City Jones Falls 020600031201 Jones Falls No No No No Yes No Representative Route COMMON GRADE MD Baltimore County Back River 020600030702 Redhouse Creek-Back River No 303(d) No No Yes Yes Yes Representative Route AERIAL MD Baltimore County Northeast Creek 020600030703 Back River-Hawk Cove-Chesapeake Bay No No No No Yes No Representative Route AERIAL MD Baltimore County Middle River 020600030701 Middle River No No Yes Yes Yes Yes Representative Route COMMON GRADE MD Baltimore County Cowpen Creek 020600030701 Middle River No No No No No No Representative Route AERIAL MD Baltimore County Dundee Creek 020600030602 Saltpeter Creek-Gunpowder River No No No No Yes No Representative Route COMMON GRADE MD Baltimore County Railroad Creek 020600030601 Whitemarsh Run-Bird River No No No Yes Yes Yes Representative Route COMMON GRADE MD Baltimore County / Harford Gunpowder River 020600030602 Saltpeter Creek-Gunpowder River Yes Shellfish No No Yes Yes Yes Representative Route MAJOR BRIDGE MD Harford Emmord Branch 020600030602 Saltpeter Creek-Gunpowder River No No Yes Yes Yes Yes Representative Route EMBANKMENT MD Harford Lauderick Creek 020600030106 Bush River No No Yes Yes No Yes Representative Route EMBANKMENT MD Harford Bush River 020600030106 Bush River Yes Shellfish No No Yes Yes No Representative Route MAJOR BRIDGE MD Harford Romney Creek 020600030203 Upper Romney Creek No 303(d) No Yes No Yes No Representative Route COMMON GRADE MD Harford Tributary 4 to Swan Creek 020600030201 Swan Creek-Chesapeake Bay No 303(d) No No No Yes No Representative Route EMBANKMENT MD Harford Tributary 4 to Swan Creek 020600030201 Swan Creek-Chesapeake Bay No 303(d) No No No Yes No Representative Route EMBANKMENT

Tier 1 Final EIS Volume 1 4 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Waterbody Analysis

Existing NEC including Hartford/Springfield Line Wild and Freshwater Saltwater State County Waterbody Name HUC12 HUC 12 Name Navigable Special WQ Designations SFHA CZMA Swath Construction Type Scenic River Wetlands Wetlands MD Harford Tributary 4 to Swan Creek 020600030201 Swan Creek-Chesapeake Bay No 303(d) No No No Yes No Representative Route AERIAL MD Harford Swan Creek 020600030201 Swan Creek-Chesapeake Bay No 303(d) No No No Yes No Representative Route AERIAL MD Harford Tributary 1 to Swan Creek 020600030201 Swan Creek-Chesapeake Bay No 303(d) No No No Yes No Representative Route COMMON GRADE MD Harford Gasheys Creek 020600030201 Swan Creek-Chesapeake Bay No 303(d) No No No Yes No Representative Route COMMON GRADE MD Cecil Susquehanna River 020503061713 Rock Run-Susquehanna River No 303(d) No Yes No Yes No Representative Route MAJOR BRIDGE MD Cecil Mill Creek 020600020103 Mill Creek-Furnace Bay No Reservoir Protection-Tier II No No No Yes No Representative Route AERIAL MD Cecil Tributary to Furnace Bay 020600020103 Mill Creek-Furnace Bay No 303(d) No Yes No Yes Yes Representative Route EMBANKMENT MD Cecil Stony Run 020600020102 North East Creek No 303(d)-Shellfish No Yes No Yes No Representative Route AERIAL MD Cecil North East Creek 020600020102 North East Creek No 303(d) No Yes No Yes No Representative Route AERIAL MD Cecil Mill Creek 020600020202 Little Elk Creek No Reservoir Protection-Tier II No Yes No Yes No Representative Route COMMON GRADE MD Cecil Mill Creek 020600020202 Little Elk Creek No Reservoir Protection-Tier II No Yes No Yes No Representative Route COMMON GRADE MD Cecil Little Elk Creek 020600020202 Little Elk Creek No 303(d)-Shellfish No Yes No Yes No Representative Route AERIAL MD Cecil Big Elk Creek 020600020203 Big Elk Creek No 303(d)-Tier II No Yes No Yes No Representative Route AERIAL MD Cecil Persimmon Run 020402050502 Upper Christina River No No Yes No No No Representative Route COMMON GRADE DE New Castle West Branch Christina River 020402050502 Upper Christina River No 303(d)-CWF No No No Yes Yes Representative Route AERIAL DE New Castle Christina River 020402050502 Upper Christina River No CWF No Yes No Yes Yes Representative Route AERIAL DE New Castle White Clay Creek 020402050308 Lower White Clay Creek No Yes Yes No Yes Yes Representative Route AERIAL DE New Castle Little Mill Creek 020402050504 Little Mill Creek No No Yes Yes Yes Yes Representative Route AERIAL DE New Castle Brandywine Creek 020402050403 Lower Brandywine Creek Yes 303(d) No Yes Yes Yes Yes Representative Route AERIAL DE New Castle Shellpot Creek 020402050602 Matson Run-Shellpot Creek No 303(d) No Yes No Yes Yes Representative Route AERIAL DE New Castle Stoney Creek 020402050601 Stoney Creek No No Yes Yes No Yes Representative Route AERIAL DE New Castle Delaware River 020402050601 Stoney Creek Yes No No Yes Yes Yes Representative Route COMMON GRADE DE New Castle Delaware River 020402050601 Stoney Creek Yes No No Yes Yes Yes Representative Route COMMON GRADE DE New Castle Delaware River 020402050601 Stoney Creek Yes No No Yes Yes Yes Representative Route COMMON GRADE DE New Castle Delaware River 020402050601 Stoney Creek Yes No No Yes Yes Yes Representative Route COMMON GRADE DE New Castle Delaware River 020402050601 Stoney Creek Yes No No Yes Yes Yes Representative Route COMMON GRADE DE New Castle Perkins Run 020402050601 Stoney Creek No No No Yes No Yes Representative Route COMMON GRADE DE New Castle Naaman Creek 020402020608 Oldmans Creek-Delaware River No 303(d) No Yes No Yes Yes Representative Route AERIAL PA Delaware Marcus Hook Creek 020402020607 Repaupo Creek-Delaware River No Category 5 No No No Yes Yes Representative Route EMBANKMENT PA Delaware Chester Creek 020402020605 Chester Creek No Category 5 No No No Yes Yes Representative Route AERIAL PA Delaware Ridley Creek 020402020602 Ridley Creek No Category 5 No Yes No Yes Yes Representative Route AERIAL PA Delaware Crum Creek 020402020601 Crum Creek No Category 5 No Yes No Yes Yes Representative Route AERIAL PA Delaware Little Crum Creek 020402020601 Crum Creek No Category 5 No Yes No Yes Yes Representative Route COMMON GRADE PA Delaware Stony Creek 020402020505 Darby Creek No Category 5 No Yes No Yes No Representative Route COMMON GRADE PA Delaware Muckinipattis Creek 020402020505 Darby Creek No Category 5 No No No Yes No Representative Route EMBANKMENT PA Delaware Hermesprota Creek 020402020505 Darby Creek No Category 5 No No No Yes No Representative Route COMMON GRADE PA Delaware Darby Creek 020402020505 Darby Creek No Category 5 No No No Yes No Representative Route AERIAL PA Delaware / Philadelphia Cobbs Creek 020402020504 Cobbs Creek No Category 5 No No No Yes No Representative Route EMBANKMENT PA Philadelphia Schuylkill River 020402031008 City of Philadelphia-Schuylkill River No Category 5 No Yes No Yes Yes Representative Route MAJOR BRIDGE PA Philadelphia Frankford Creek 020402020402 Tacony Creek-Frankford Creek No Category 5 No Yes No Yes Yes Representative Route AERIAL PA Philadelphia Pennypack Creek 020402020304 Lower Pennypack Creek No Category 5 No Yes No Yes Yes Representative Route AERIAL PA Philadelphia / Bucks Poquessing Creek 020402020301 Poquessing Creek No Category 5 No Yes No Yes Yes Representative Route AERIAL PA Bucks Neshaminy Creek 020402010303 Core Creek-Neshaminy Creek No Category 5 No Yes No Yes Yes Representative Route MAJOR BRIDGE PA Bucks Mill Creek 020402010405 Mill Creek-Silver Lake No 303(d)-Category 5 No Yes No Yes Yes Representative Route AERIAL PA Bucks Martins Creek 020402010403 Martins Creek No 303(d)-Catgeory 5 No Yes No Yes Yes Representative Route COMMON GRADE PA / NJ Bucks / Mercer Delaware River 020402010404 Van Sciver Lake-Delaware River Yes No Yes No Yes Yes Representative Route MAJOR BRIDGE NJ Mercer Assunpink Creek 020401050803 Lower Assunpink Creek No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Mercer Pond Run 020401050803 Lower Assunpink Creek No 303(d) No No No Yes No Representative Route EMBANKMENT NJ Mercer Miry Run 020401050802 Miry Run No 303(d) No Yes No Yes No Representative Route EMBANKMENT NJ Mercer Assunpink Creek Tributary 020401050801 Upper Assunpink Creek No Category 1 No Yes No Yes No Representative Route COMMON GRADE NJ Mercer Assunpink Creek Tributary 020401050801 Upper Assunpink Creek No Category 1 No Yes No Yes No Representative Route COMMON GRADE NJ Mercer Assunpink Creek Tributary 020401050801 Upper Assunpink Creek No Category 1 No Yes No Yes No Representative Route COMMON GRADE NJ Mercer Assunpink Creek 020401050801 Upper Assunpink Creek No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Mercer Shipetaukin Creek Tributary 020401050803 Lower Assunpink Creek No No Yes No No No Representative Route COMMON GRADE NJ Mercer Shipetaukin Creek Tributary 020401050803 Lower Assunpink Creek No No Yes No No No Representative Route COMMON GRADE NJ Mercer Shipetaukin Creek Tributary 020401050803 Lower Assunpink Creek No No Yes No No No Representative Route COMMON GRADE NJ Mercer Duck Pond Run 020301050307 Upper Millstone River No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Mercer Duck Pond Run Tributary 020301050307 Upper Millstone River No No Yes No No No Representative Route COMMON GRADE NJ Mercer Little Bear Brook Tributary 020301050307 Upper Millstone River No No Yes No No No Representative Route COMMON GRADE NJ Mercer Bear Brook 020301050304 Bear Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Mercer / Middlesex Millstone River 020301050307 Upper Millstone River No 303(d) No Yes No Yes No Representative Route AERIAL NJ Middlesex Devils Brook Tributary 020301050306 Devils Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Devils Brook 020301050306 Devils Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Devils Brook Tributary 020301050306 Devils Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Devils Brook Tributary 020301050306 Devils Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Devils Brook Tributary 020301050306 Devils Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Devils Brook Tributary 020301050306 Devils Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Devils Brook Tributary 020301050306 Devils Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Lawrence Brook 020301050505 Lawrence Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE

Tier 1 Final EIS Volume 1 5 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Waterbody Analysis

Existing NEC including Hartford/Springfield Line Wild and Freshwater Saltwater State County Waterbody Name HUC12 HUC 12 Name Navigable Special WQ Designations SFHA CZMA Swath Construction Type Scenic River Wetlands Wetlands NJ Middlesex Lawrence Brook Tributary 020301050505 Lawrence Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Lawrence Brook 020301050505 Lawrence Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Lawrence Brook 020301050505 Lawrence Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Terhune Run 020301050505 Lawrence Brook No No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Deans Pond 020301050505 Lawrence Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Deans Pond 020301050505 Lawrence Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Lawrence Brook 020301050505 Lawrence Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Lawrence Brook Tributary 020301050505 Lawrence Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Deans Pond 020301050505 Lawrence Brook No No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Cow Yard Brook 020301050505 Lawrence Brook No No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Oakeys Brook 020301050505 Lawrence Brook No No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Oakeys Brook 020301050505 Lawrence Brook No No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Lawrence Brook Tributary 020301050505 Lawrence Brook No 303(d) No Yes No No No Representative Route COMMON GRADE NJ Middlesex Mile Run 020301050506 Mile Run-Raritan River No No No No Yes No Representative Route COMMON GRADE NJ Middlesex Mile Run 020301050506 Mile Run-Raritan River No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Delaware and Raritan Canal 020301050506 Mile Run-Raritan River No No No Yes Yes Yes Representative Route MAJOR BRIDGE NJ Middlesex Raritan River 020301050506 Mile Run-Raritan River No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE NJ Middlesex Mill Brook 020301050506 Mile Run-Raritan River No No Yes No Yes No Representative Route EMBANKMENT NJ Middlesex Ambrose Brook 020301050503 Ambrose Brook No No Yes No Yes No Representative Route EMBANKMENT NJ Middlesex Ambrose Brook Tributary 020301050503 Ambrose Brook No No Yes No Yes No Representative Route EMBANKMENT NJ Middlesex Ambrose Brook Tributary 020301050503 Ambrose Brook No No Yes No No No Representative Route EMBANKMENT NJ Middlesex Mill Brook Tributary 020301050507 Mill Brook-Raritan River No No No No No No Representative Route AERIAL NJ Middlesex South Branch Rahway River Tributary 020301040103 South Branch No No Yes No No No Representative Route EMBANKMENT NJ Middlesex Coppermine Brook 020301040103 South Branch No No Yes No Yes No Representative Route EMBANKMENT NJ Middlesex South Branch Rahway River Tributary 020301040103 South Branch No No Yes No Yes No Representative Route EMBANKMENT NJ Middlesex South Branch Rahway River Tributary 020301040103 South Branch No No No No Yes No Representative Route EMBANKMENT NJ Union Orchard Creek 020301040103 South Branch No No Yes No Yes No Representative Route EMBANKMENT NJ Union Rahway River 020301040104 Lower Rahway River No 303(d) No Yes No Yes Yes Representative Route AERIAL NJ Union Morses Creek 020301040204 Morses Creek-Arthur Kill No No Yes No Yes No Representative Route EMBANKMENT NJ Union Peach Orchard Brook 020301040204 Morses Creek-Arthur Kill No No Yes No Yes No Representative Route COMMON GRADE NJ Union Elizabeth River 020301040202 Elizabeth River No No Yes No Yes Yes Representative Route AERIAL NJ Essex / Hudson Passaic River 020301030805 Second River-Passaic River Yes 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE NJ Hudson Passaic River Tributary 020301030805 Second River-Passaic River No No No Yes Yes Yes Representative Route COMMON GRADE NJ Hudson Hackensack River 020301030906 Lower Hackensack River Yes 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE NJ Hudson Hackensack River Tributary 020301030906 Lower Hackensack River No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE NJ Hudson Penhorn Creek Tributary 020301030906 Lower Hackensack River No No No Yes Yes No Representative Route AERIAL NJ Hudson Penhorn Creek Tributary 020301030906 Lower Hackensack River No No No Yes Yes No Representative Route EMBANKMENT NJ Hudson Penhorn Creek 020301030906 Lower Hackensack River No No No Yes Yes Yes Representative Route EMBANKMENT NJ Hudson Penhorn Creek Tributary 020301030906 Lower Hackensack River No No No Yes Yes No Representative Route EMBANKMENT NJ Hudson Penhorn Creek Tributary 020301030906 Lower Hackensack River No No No Yes Yes No Representative Route EMBANKMENT NJ Hudson Penhorn Creek Tributary 020301030906 Lower Hackensack River No No No Yes Yes No Representative Route EMBANKMENT NJ / NY Hudson / Manhattan Hudson River 020301010405 East River-Hudson River Yes 303(d) No No Yes Yes Yes Representative Route TUNNEL NY Manhattan / Queens / Kings East River 020301010405 East River-Hudson River Yes 303(d) No No Yes Yes Yes Representative Route TUNNEL NY Manhattan / Queens / Kings East River 020301010405 East River-Hudson River Yes 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE NY Manhattan / Bronx East River Tributary 020301010405 East River-Hudson River No No No Yes Yes Yes Representative Route AERIAL NY Bronx Bronx River 020301020103 Lower Bronx River No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE NY Bronx Eastchester Bay 020301020201 Hutchinson River-Eastchester Bay No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE NY Westchester Beechmont Lake Culvert 020301020203 East Creek-Mamaroneck Harbor No No No No No No Representative Route COMMON GRADE NY Westchester Mamaroneck River 020301020202 Sheldrake River-Mamaroneck River No 303(d) No Yes No Yes Yes Representative Route AERIAL NY Westchester Beaver Swamp Brook 020301020202 Sheldrake River-Mamaroneck River No No Yes No Yes No Representative Route COMMON GRADE NY Westchester Blind Brook 011000060405 Blind Brook-Horseneck Brook No 303(d) No No No Yes No Representative Route COMMON GRADE NY Westchester Blind Brook 011000060405 Blind Brook-Horseneck Brook No 303(d) No No No Yes No Representative Route COMMON GRADE NY / CT Westchester / Fairfield 011000060403 Byram River No No No Yes Yes Yes Representative Route MAJOR BRIDGE CT Fairfield Horseneck Brook 011000060405 Blind Brook-Horseneck Brook No 303(d)-Category A SW No No No Yes Yes Representative Route AERIAL CT Fairfield Greenwich Creek 011000060405 Blind Brook-Horseneck Brook No 303(d)-Category A SW No Yes No Yes Yes Representative Route AERIAL CT Fairfield Cos Cob Harbor 011000060402 No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT Fairfield Tributary to Greenwich Cove 011000060405 Blind Brook-Horseneck Brook No 303(d) No Yes Yes Yes Yes Representative Route COMMON GRADE CT Fairfield Rippowam River 011000060401 Rippowam River No 303(d) No Yes Yes Yes Yes Representative Route AERIAL CT Fairfield 011000060404 Fivemile River No 303(d)-Category A SW No No No Yes Yes Representative Route COMMON GRADE CT Fairfield Stony Brook 011000060404 Fivemile River No Category A SW No No No Yes Yes Representative Route COMMON GRADE CT Fairfield Goodwives River 011000060404 Fivemile River No Category A SW No No No Yes Yes Representative Route COMMON GRADE CT Fairfield Streets Pond 011000060404 Fivemile River No Category A SW No Yes No Yes Yes Representative Route COMMON GRADE CT Fairfield Fivemile River 011000060404 Fivemile River No Category A SW No Yes No Yes Yes Representative Route COMMON GRADE CT Fairfield Chalmers Pond 011000060404 Fivemile River No Category A SW No Yes No Yes Yes Representative Route COMMON GRADE CT Fairfield 011000060202 Norwalk River-Frontal No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT Fairfield Indian River 011000060103 Outlet -Frontal Long Island Sound No Category A SW No Yes Yes Yes Yes Representative Route EMBANKMENT CT Fairfield Saugatuck River 011000060103 Outlet Saugatuck River-Frontal Long Island Sound No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT Fairfield Sherwood Millpond 011000060303 Rooster River-Frontal Long Island Sound No 303(d) No No Yes Yes Yes Representative Route COMMON GRADE CT Fairfield Muddy Brook 011000060303 Rooster River-Frontal Long Island Sound No 303(d) No Yes Yes Yes Yes Representative Route COMMON GRADE

Tier 1 Final EIS Volume 1 6 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Waterbody Analysis

Existing NEC including Hartford/Springfield Line Wild and Freshwater Saltwater State County Waterbody Name HUC12 HUC 12 Name Navigable Special WQ Designations SFHA CZMA Swath Construction Type Scenic River Wetlands Wetlands CT Fairfield Sasco Brook 011000060303 Rooster River-Frontal Long Island Sound No 303(d) No No Yes Yes Yes Representative Route EMBANKMENT CT Fairfield Mill River 011000060302 Mill River-Frontal Long Island Sound No 303(d) No Yes No Yes Yes Representative Route AERIAL CT Fairfield Rooster River 011000060303 Rooster River-Frontal Long Island Sound No 303(d) No Yes Yes Yes Yes Representative Route COMMON GRADE CT Fairfield 011000060301 Pequonnock River-Frontal Long Island Sound Yes 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT Fairfield Bruce Brook 011000060303 Rooster River-Frontal Long Island Sound No 303(d) No Yes No Yes Yes Representative Route COMMON GRADE CT Fairfield Bruce Pond 011000060303 Rooster River-Frontal Long Island Sound No 303(d) No Yes No Yes Yes Representative Route COMMON GRADE CT Fairfield 011000051302 Housatonic River-Frontal Long Island Sound No Category A SW No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New Haven Milford Reservoir 011000051302 Housatonic River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Representative Route COMMON GRADE CT New Haven 011000040303 Milford Harbor-Frontal Long Island Sound No 303(d)-Category A SW No No Yes Yes Yes Representative Route AERIAL CT New Haven Oyster River 011000040304 Cove River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Representative Route EMBANKMENT CT New Haven Cove River 011000040304 Cove River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Representative Route EMBANKMENT CT New Haven 011000040302 West River Yes 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New Haven Mill River 011000040301 Mill River Yes 303(d) No Yes Yes Yes Yes Representative Route MAJOR BRIDGE CT New Haven Quinnipiac River 011000040105 Outlet Quinnipiac River Yes 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New Haven Little River 011000040105 Outlet Quinnipiac River No No No Yes Yes Yes Representative Route AERIAL CT New Haven Hemingway Creek 011000040105 Outlet Quinnipiac River No 303(d)-Category A SW No Yes Yes Yes Yes Representative Route EMBANKMENT CT New Haven Pollywog Pond 011000040208 Indian River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Representative Route COMMON GRADE CT New Haven Pollywog Pond 011000040208 Indian River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Representative Route COMMON GRADE CT New Haven Tributary to 011000040206 Farm River No 303(d) No Yes No Yes Yes Representative Route COMMON GRADE CT New Haven Farm River 011000040206 Farm River No 303(d)-Category A SW No Yes No Yes Yes Representative Route COMMON GRADE CT New Haven Beaver Swamp Brook 011000040206 Farm River No Category A SW No Yes No Yes Yes Representative Route COMMON GRADE CT New Haven Branford Harbor 011000040205 Branford River No 303(d) No No Yes Yes Yes Representative Route AERIAL CT New Haven Unnamed Stream 1 to Long Island Sound 011000040208 Indian River-Frontal Long Island Sound No 303(d)-Category A SW No No Yes Yes Yes Representative Route AERIAL CT New Haven Unnamed Stream 2 to Long Island Sound 011000040208 Indian River-Frontal Long Island Sound No 303(d)-Category A SW No No Yes Yes Yes Representative Route AERIAL CT New Haven Emery Pond 011000040208 Indian River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Representative Route EMBANKMENT CT New Haven Hoadley Creek 011000040208 Indian River-Frontal Long Island Sound No Category A SW No Yes Yes Yes Yes Representative Route EMBANKMENT CT New Haven Unnamed Stream 3 to Long Island Sound 011000040208 Indian River-Frontal Long Island Sound No Category A SW No No Yes Yes Yes Representative Route EMBANKMENT CT New Haven The Cove 011000040208 Indian River-Frontal Long Island Sound No Category A SW No No Yes Yes Yes Representative Route EMBANKMENT CT New Haven West River 011000040204 West River-Frontal Guilford Harbor No 303(d) No No Yes Yes Yes Representative Route AERIAL CT New Haven Sluice Creek 011000040203 East River-Frontal Guilford Harbor No Category A SW No Yes Yes Yes Yes Representative Route COMMON GRADE CT New Haven East River 011000040203 East River-Frontal Guilford Harbor No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New Haven East River 020302030000 Long Island Sound Deep No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New Haven Bailey Creek 011000040203 East River-Frontal Guilford Harbor No Category A SW No No Yes Yes Yes Representative Route EMBANKMENT CT New Haven Neck River 011000040203 East River-Frontal Guilford Harbor No 303(d)-Category A SW No Yes No Yes Yes Representative Route COMMON GRADE CT New Haven Hummers Pond 011000040208 Indian River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Representative Route EMBANKMENT CT New Haven Fence Creek 011000040208 Indian River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Representative Route EMBANKMENT CT New Haven / Middlesex Hammonasset River 011000040202 Hammonasset River-Frontal Clinton Harbor No 303(d) No Yes Yes Yes Yes Representative Route EMBANKMENT CT Middlesex Indian River 011000040208 Indian River-Frontal Long Island Sound No 303(d)-Category A SW No No Yes Yes Yes Representative Route AERIAL CT Middlesex Hammock River 011000040208 Indian River-Frontal Long Island Sound No Category A SW No Yes Yes Yes Yes Representative Route EMBANKMENT CT Middlesex Menunketesuck River 011000040201 Menunketesuck River No 303(d) No No Yes Yes Yes Representative Route EMBANKMENT CT Middlesex Patchogue River 011000040207 Patchogue River-Frontal Westbrook Harbor No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT Middlesex Cold Spring Brook 011000040207 Patchogue River-Frontal Westbrook Harbor No Category A SW No Yes No Yes Yes Representative Route COMMON GRADE CT Middlesex Oyster River 011000040207 Patchogue River-Frontal Westbrook Harbor No 303(d) No No Yes Yes Yes Representative Route COMMON GRADE CT Middlesex Ragged Rock Creek 010802050905 Joshua Creek-Connecticut River No 303(d) No No Yes Yes Yes Representative Route EMBANKMENT CT Middlesex / New London Connecticut River 010802050905 Joshua Creek-Connecticut River Yes 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New London Lieutenant River 010802050905 Joshua Creek-Connecticut River No 303(d) No No Yes Yes Yes Representative Route EMBANKMENT CT New London 010802050905 Joshua Creek-Connecticut River No 303(d) No No Yes Yes Yes Representative Route EMBANKMENT CT New London Tributary to Connecticut River 010802050905 Joshua Creek-Connecticut River No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New London Mile Creek 011000030306 Pattagansett River-Frontal Long Island Sound No Category A SW No Yes Yes Yes Yes Representative Route EMBANKMENT CT New London Swan Brook 011000030306 Pattagansett River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Representative Route EMBANKMENT CT New London Armstrong Brook 011000030306 Pattagansett River-Frontal Long Island Sound No Category A SW No Yes No No Yes Representative Route EMBANKMENT CT New London Threemile River 011000030306 Pattagansett River-Frontal Long Island Sound No Category A SW No Yes Yes Yes Yes Representative Route EMBANKMENT CT New London Fourmile River 011000030306 Pattagansett River-Frontal Long Island Sound No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New London Bride Brook 011000030306 Pattagansett River-Frontal Long Island Sound No 303(d)-Category A SW No No Yes Yes Yes Representative Route EMBANKMENT CT New London Pattagansett River 011000030306 Pattagansett River-Frontal Long Island Sound No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New London 011000030304 Niantic River Yes 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New London Jordan Cove 011000030305 Fenger Brook-Frontal Lond Island Sound No 303(d) No No Yes Yes Yes Representative Route AERIAL CT New London Fenger Brook 011000030305 Fenger Brook-Frontal Lond Island Sound No 303(d)-Category A SW No Yes No Yes Yes Representative Route COMMON GRADE CT New London Briggs Brook 011000030203 Thames River-Frontal New London Harbor No 303(d)-Category A-SW No No Yes No Yes Representative Route COMMON GRADE CT New London Thames River 011000030203 Thames River-Frontal New London Harbor Yes 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New London Poquonock River 011000030302 Poquonock River-Frontal Fishers Island Sound No 303(d) No No Yes Yes Yes Representative Route AERIAL CT New London Fort Hill Brook 011000030303 Stony Brook-Frontal Fishers Island Sound No Category A SW No Yes No Yes Yes Representative Route EMBANKMENT CT New London Palmer Cove 011000030303 Stony Brook-Frontal Fishers Island Sound No 303(d) No No Yes Yes Yes Representative Route EMBANKMENT CT New London Palmer Cove 011000030303 Stony Brook-Frontal Fishers Island Sound No 303(d) No No Yes Yes Yes Representative Route AERIAL CT New London Beebe Cove 011000030303 Stony Brook-Frontal Fishers Island Sound No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New London Beebe Cove 011000030303 Stony Brook-Frontal Fishers Island Sound No 303(d) No No Yes Yes Yes Representative Route EMBANKMENT CT New London Beebe Cove 011000030303 Stony Brook-Frontal Fishers Island Sound No 303(d) No No Yes Yes Yes Representative Route EMBANKMENT CT New London 011000030301 Mystic River-Frontal Fishers Island Sound Yes Category A SW No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New London Pequotsepos Brook 011000030303 Stony Brook-Frontal Fishers Island Sound No Category A SW No No Yes Yes Yes Representative Route COMMON GRADE

Tier 1 Final EIS Volume 1 7 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Waterbody Analysis

Existing NEC including Hartford/Springfield Line Wild and Freshwater Saltwater State County Waterbody Name HUC12 HUC 12 Name Navigable Special WQ Designations SFHA CZMA Swath Construction Type Scenic River Wetlands Wetlands CT New London Unnamed Stream 4 to Long Island Sound 011000030303 Stony Brook-Frontal Fishers Island Sound No 303(d)-Category A SW No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New London Quiambog Cove 011000030303 Stony Brook-Frontal Fishers Island Sound No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New London Stonington Harbor 011000030303 Stony Brook-Frontal Fishers Island Sound Yes 303(d) No No Yes Yes Yes Representative Route COMMON GRADE CT New London Wequetequock Cove 011000030303 Stony Brook-Frontal Fishers Island Sound No 303(d)-Category A SW No No Yes Yes Yes Representative Route MAJOR BRIDGE CT / RI New London / Washington Pawcatuck River 010900050303 Lower Pawcatuck River Yes 303(d) No Yes Yes Yes Yes Representative Route AERIAL RI Washington McGowan Brook 010900050205 Tomaquag Brook-Pawcatuck River No SRPW No Yes No Yes No Representative Route EMBANKMENT RI Washington Pawcatuck River 010900050205 Tomaquag Brook-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Representative Route AERIAL RI Washington Pawcatuck River 010900050205 Tomaquag Brook-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Representative Route AERIAL RI Washington Pawcatuck River 010900050205 Tomaquag Brook-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Representative Route AERIAL RI Washington Meadow Brook 010900050205 Tomaquag Brook-Pawcatuck River No 303(d)-SRPW No Yes No Yes No Representative Route COMMON GRADE RI Washington Pawcatuck River 010900050205 Tomaquag Brook-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Representative Route AERIAL RI Washington Pawcatuck River 010900050204 Usquepaug River-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Representative Route AERIAL RI Washington Pawcatuck River 010900050204 Usquepaug River-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Representative Route AERIAL RI Washington Pawcatuck River 010900050204 Usquepaug River-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Representative Route AERIAL RI Washington Usquepaug River 010900050204 Usquepaug River-Pawcatuck River No No Yes No Yes No Representative Route AERIAL RI Washington Usquepaug River 010900050202 Usquepaug River No No Yes No Yes No Representative Route AERIAL RI Washington Chickasheen Brook 010900050204 Usquepaug River-Pawcatuck River No No Yes No Yes No Representative Route EMBANKMENT RI Washington Chickasheen Brook 010900050204 Usquepaug River-Pawcatuck River No No Yes No Yes No Representative Route EMBANKMENT RI Washington Chipuxet River 010900050201 Chipuxet River-Pawcatuck River No No Yes No Yes No Representative Route COMMON GRADE RI Washington Yawgoo Mill Pond 010900050201 Chipuxet River-Pawcatuck River No 303(d) No Yes No No No Representative Route EMBANKMENT RI Washington Annaquatucket River 010900040908 Lower West Passage No 303(d) No Yes No Yes No Representative Route EMBANKMENT RI Washington / Kent Hunt River 010900040904 Hunt River No SRPW No Yes No Yes No Representative Route AERIAL RI Kent 010900040903 Greenwich Bay No 303(d) No No Yes Yes Yes Representative Route AERIAL RI Kent Apponaug Cove 010900040903 Greenwich Bay No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE RI Kent / Providence Pawtuxet River 010900040609 Pawtuxet River No 303(d) No Yes No Yes No Representative Route AERIAL RI Providence Woonasquatucket River 010900040502 Woonasquatucket River No 303(d) No Yes No Yes Yes Representative Route MAJOR BRIDGE RI Providence West River 010900040501 Moshassuck River No 303(d) No No No Yes No Representative Route COMMON GRADE RI Providence Moshassuck River 010900040501 Moshassuck River No 303(d) No Yes No Yes No Representative Route COMMON GRADE RI Providence 010900030208 - No 303(d) No Yes No Yes No Representative Route MAJOR BRIDGE MA Bristol Sevenmile River 010900040401 Ten Mile River No 303(d) No Yes No Yes No Representative Route EMBANKMENT MA Bristol Ten Mile River 010900040401 Ten Mile River No 303(d) No Yes No Yes No Representative Route EMBANKMENT MA Bristol East Junction Stream 010900040401 Ten Mile River No No Yes No Yes No Representative Route COMMON GRADE MA Bristol Ten Mile River 010900040401 Ten Mile River No 303(d) No Yes No Yes No Representative Route EMBANKMENT MA Bristol Ten Mile River 010900040401 Ten Mile River No 303(d) No Yes No Yes No Representative Route EMBANKMENT MA Bristol Wading River 010900040301 Wading River No 303(d) No Yes No Yes No Representative Route EMBANKMENT MA Bristol Hodges Brook 010900040301 Wading River No No Yes No Yes No Representative Route EMBANKMENT MA Bristol Rumford River 010900040302 Threemile River No 303(d) No Yes No Yes No Representative Route COMMON GRADE MA Norfolk Beaver Brook 010900010802 East Branch Neponset River No Class B No Yes No Yes No Representative Route COMMON GRADE MA Norfolk Beaver Brook 010900010802 East Branch Neponset River No Class B No Yes No Yes No Representative Route COMMON GRADE MA Norfolk Beaver Brook 010900010802 East Branch Neponset River No Class B No Yes No Yes No Representative Route COMMON GRADE MA Norfolk Beaver Brook 010900010802 East Branch Neponset River No Class B No Yes No Yes No Representative Route COMMON GRADE MA Norfolk Beaver Brook 010900010802 East Branch Neponset River No Class B No Yes No Yes No Representative Route COMMON GRADE MA Norfolk Sawmill Pond 010900010802 East Branch Neponset River No 303(d)-Class B SW No Yes No Yes No Representative Route COMMON GRADE MA Norfolk East Branch Neponset River 010900010802 East Branch Neponset River No 303(d) No Yes No No No Representative Route MAJOR BRIDGE MA Norfolk Neponset River 010900010803 Outlet Neponset River-Frontal Boston Harbor No 303(d) No Yes No Yes No Representative Route COMMON GRADE MA Norfolk Neponset River 010900010803 Outlet Neponset River-Frontal Boston Harbor No 303(d) No Yes No Yes No Representative Route COMMON GRADE MA Suffolk Mother Brook 010900010803 Outlet Neponset River-Frontal Boston Harbor No 303(d) No Yes No Yes No Representative Route COMMON GRADE MA Boston Fort Point Channel 010900010704 Charles River-Frontal Boston Harbor Yes 303(d)-Class B SW No No Yes Yes Yes Representative Route COMMON GRADE CT New Haven Quinnipiac River 011000040105 Outlet Quinnipiac River Yes No Yes No Yes Yes Representative Route AERIAL CT New Haven Allen Brook 011000040105 Outlet Quinnipiac River No 303(d) No Yes No Yes Yes Representative Route COMMON GRADE CT New Haven Meetinghouse Brook 011000040105 Outlet Quinnipiac River No 303(d) No Yes No Yes No Representative Route COMMON GRADE CT New Haven Harbor Brook 011000040103 Headwaters Quinnipiac River No 303(d) No No No Yes No Representative Route COMMON GRADE CT New Haven Beaver Pond 010802050601 Upper No Category A SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Silver Lake 010802050601 Upper Mattabesset River No Category A SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Silver Lake 010802050601 Upper Mattabesset River No Category A SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Belcher Brook 010802050601 Upper Mattabesset River No Category A SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Crooked Brook 010802050601 Upper Mattabesset River No Category A SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Hatchery Brook 010802050601 Upper Mattabesset River No Category A SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Mattabesset River 010802050601 Upper Mattabesset River No 303(d) No Yes No Yes No Representative Route COMMON GRADE CT Hartford Willow Brook 010802050601 Upper Mattabesset River No Category A SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Webster Brook 010802050603 Lower Mattabesset River No 303(d) No Yes No Yes No Representative Route COMMON GRADE CT Hartford Webster Brook 010802050603 Lower Mattabesset River No 303(d) No Yes No Yes No Representative Route COMMON GRADE CT Hartford Webster Brook 010802050603 Lower Mattabesset River No 303(d) No Yes No Yes No Representative Route COMMON GRADE CT Hartford Webster Brook 010802050603 Lower Mattabesset River No 303(d) No Yes No Yes No Representative Route COMMON GRADE CT Hartford Webster Brook 010802050603 Lower Mattabesset River No 303(d) No Yes No Yes No Representative Route COMMON GRADE CT Hartford Webster Brook 010802050603 Lower Mattabesset River No 303(d) No Yes No Yes No Representative Route COMMON GRADE CT Hartford Piper Brook 010802050303 Piper Brook-Park River No 303(d)-Category A SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Piper Brook 010802050303 Piper Brook-Park River No 303(d)-Category A SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Trout Brook 010802050301 Trout Brook No 303(d) No Yes No Yes No Representative Route AERIAL

Tier 1 Final EIS Volume 1 8 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Waterbody Analysis

Existing NEC including Hartford/Springfield Line Wild and Freshwater Saltwater State County Waterbody Name HUC12 HUC 12 Name Navigable Special WQ Designations SFHA CZMA Swath Construction Type Scenic River Wetlands Wetlands CT Hartford North Branch Park River 010802050302 North Branch Park River No 303(d) No No No No No Representative Route COMMON GRADE CT Hartford Meadow Brook 010802050502 Stoughton Brook-Connecticut River No Class A - SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Deckers Brook 010802050502 Stoughton Brook-Connecticut River No Class A - SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Mill Brook 010802070602 Mill Brook- No 303(d) - Class A SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Farmington River 010802070602 Mill Brook-Farmington River No Class B No Yes No Yes No Representative Route AERIAL CT Hartford Waterworks Brook 010802050105 Freshwater Brook-Connecticut River No Class A - SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Dibble Hollow Brook 010802050105 Freshwater Brook-Connecticut River No Class A - SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Kettle Brook 010802050105 Freshwater Brook-Connecticut River No Class A - SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Cannon Pond 010802050105 Freshwater Brook-Connecticut River No Class A No Yes No No No Representative Route COMMON GRADE CT Hartford Connecticut River 010802050105 Freshwater Brook-Connecticut River Yes 303(d) - Class B No Yes No Yes No Representative Route MAJOR BRIDGE CT Hartford Beemans Brook 010802050105 Freshwater Brook-Connecticut River No Class A - SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Freshwater Brook 010802050105 Freshwater Brook-Connecticut River No Class A - SW No No No Yes No Representative Route COMMON GRADE CT Hartford Waterworks Brook 010802050102 Pecousic Brook-Connecticut River No Class A - SW No Yes No Yes No Representative Route COMMON GRADE MA Hampden Raspberry Brook 010802050102 Pecousic Brook-Connecticut River No Class B No Yes No Yes No Representative Route COMMON GRADE MA Hampden Longmeadow Brook 010802050102 Pecousic Brook-Connecticut River No Class B No Yes No Yes No Representative Route COMMON GRADE MA Hampden Wheel Meadow Brook 010802050102 Pecousic Brook-Connecticut River No Class B No Yes No No No Representative Route COMMON GRADE MA Hampden Cooley Brook 010802050102 Pecousic Brook-Connecticut River No Class B No Yes No No No Representative Route COMMON GRADE MA Hampden Pecousic Brook 010802050102 Pecousic Brook-Connecticut River No Class B No No No No No Representative Route COMMON GRADE MA Hampden Mill River 010802050101 Mill River No Class B No No No No No Representative Route COMMON GRADE MD Prince George's Beaverdam Creek 020700100204 Lower Anacostia River No No Yes No Yes No Station MD Anne Arundel Stony Run 020600031102 Deep Run-Patapsco River No No Yes No Yes No Station MD Anne Arundel Stony Run 020600031102 Deep Run-Patapsco River No No Yes No Yes No Station MD Baltimore County East Branch Herbert Run 020600031103 Herbert Run-Patapsco River No No Yes No Yes No Station PA Delaware Chester Creek 020402020605 Chester Creek No Category 5 No No No Yes Yes Station PA Delaware Little Crum Creek 020402020601 Crum Creek No Category 5 No Yes No Yes Yes Station PA Delaware Ridley Park Lake 020402020601 Crum Creek No HQ No Yes No No No Station PA Delaware Hermesprota Creek 020402020505 Darby Creek No Category 5 No No No Yes No Station PA Philadelphia / Bucks Poquessing Creek 020402020301 Poquessing Creek No Category 5 No Yes No Yes Yes Station NJ Mercer Assunpink Creek 020401050803 Lower Assunpink Creek No 303(d) No Yes No Yes No Station NJ Middlesex Mile Run 020301050506 Mile Run-Raritan River No No No No Yes No Station NJ Union Morses Creek 020301040204 Morses Creek-Arthur Kill No No Yes No Yes No Station NY Westchester Sheldrake River 020301020202 Sheldrake River-Mamaroneck River No 303(d)-Category A No Yes No Yes Yes Station NY Westchester Mamaroneck River 020301020202 Sheldrake River-Mamaroneck River No 303(d) No Yes No Yes Yes Station NY Westchester Blind Brook 011000060405 Blind Brook-Horseneck Brook No 303(d) No No No Yes No Station CT Fairfield Horseneck Brook 011000060405 Blind Brook-Horseneck Brook No 303(d)-Category A SW No No No Yes Yes Station CT Fairfield Chasmars Pond 011000060404 Fivemile River No Category A SW No Yes No Yes Yes Station CT Fairfield Fivemile River 011000060404 Fivemile River No Category A SW No Yes No Yes Yes Station CT Fairfield Chalmers Pond 011000060404 Fivemile River No Category A SW No Yes No Yes Yes Station CT Fairfield Pequonnock River 011000060301 Pequonnock River-Frontal Long Island Sound Yes 303(d) No No Yes Yes Yes Station CT New Haven Cove River 011000040304 Cove River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Station CT New Haven Upper Lake Phipps 011000040304 Cove River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Station CT New Haven Cove River 011000040304 Cove River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Station CT New Haven Upper Lake Phipps 011000040304 Cove River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Station CT New Haven Sluice Creek 011000040203 East River-Frontal Guilford Harbor No Category A SW No Yes Yes Yes Yes Station CT Middlesex Patchogue River 011000040207 Patchogue River-Frontal Westbrook Harbor No 303(d) No No Yes Yes Yes Station CT New London Pequotsepos Brook 011000030303 Stony Brook-Frontal Fishers Island Sound No Category A SW No No Yes Yes Yes Station CT / RI New London / Washington Pawcatuck River 010900050303 Lower Pawcatuck River Yes 303(d) No Yes Yes Yes Yes Station CT / RI New London / Washington Pawcatuck River 010900050303 Lower Pawcatuck River Yes 303(d) No Yes Yes Yes Yes Station RI Providence Moshassuck River 010900040501 Moshassuck River No 303(d) No No Yes Yes Yes Station MA Norfolk Neponset River 010900010803 Outlet Neponset River-Frontal Boston Harbor No 303(d) No Yes No Yes No Station MA Boston Fort Point Channel 010900010704 Charles River-Frontal Boston Harbor Yes 303(d)-Class B SW No No Yes Yes Yes Station CT New Haven Harbor Brook 011000040103 Headwaters Quinnipiac River No 303(d) No No No Yes No Station CT Hartford Freshwater Brook 010802050105 Freshwater Brook-Connecticut River No Class A - SW No No No Yes No Station

Tier 1 Final EIS Volume 1 9 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Waterbody Analysis

Preferred Alterantive Wild and Freshwater Saltwater State County Waterbody Name HUC 12 HUC 12 Name Navigable Special WQ Designation SFHA CZMA Swath Construction Type Scenic River Wetlands Wetlands DC District of Columbia Hickey Run 020700100204 Lower Anacostia River No 303(d) No No No Yes No Affected Environment DC District of Columbia Beaverdam Creek 020700100204 Lower Anacostia River No 303(d) No No No Yes No Affected Environment MD Prince George's Anacostia River 020700100204 Lower Anacostia River No 303(d)-Shellfish No Yes No Yes No Affected Environment MD Prince George's Beaverdam Creek 020700100204 Lower Anacostia River No No Yes No Yes No Affected Environment MD Prince George's Beaverdam Creek 020700100204 Lower Anacostia River No No Yes No Yes No Affected Environment MD Prince George's Beaverdam Creek 020700100204 Lower Anacostia River No No Yes No Yes No Affected Environment MD Prince George's Cabin Branch 020700100204 Lower Anacostia River No No No No Yes No Affected Environment MD Prince George's Beaverdam Creek 020700100204 Lower Anacostia River No No Yes No Yes No Affected Environment MD Prince George's Cattail Branch 020700100204 Lower Anacostia River No No No No Yes No Affected Environment MD Prince George's Folly Branch 020600060302 Northwest Branch of the Western Branch Patuxent River No 303(d) No Yes No Yes No Affected Environment MD Anne Arundel Stony Run 020600031102 Deep Run-Patapsco River No No Yes No Yes No Affected Environment MD Anne Arundel Stony Run 020600031102 Deep Run-Patapsco River No No Yes No Yes No Affected Environment MD Anne Arundel / Howard Deep Run 020600031102 Deep Run-Patapsco River No 303(d) No Yes No Yes No Affected Environment MD Anne Arundel / Howard / Baltimore County Patapsco River 020600031102 Deep Run-Patapsco River No Tier II No Yes No Yes No Affected Environment MD Baltimore County West Branch Herbert Run 020600031103 Herbert Run-Patapsco River No 303(d) No No No Yes No Affected Environment MD Baltimore County West Branch Herbert Run 020600031103 Herbert Run-Patapsco River No 303(d) No No No Yes No Affected Environment MD Baltimore County Herring Run 020600030702 Redhouse Creek-Back River No 303(d)-Tier II No Yes No Yes No Affected Environment MD Baltimore County Back River 020600030702 Redhouse Creek-Back River No 303(d) No No Yes Yes Yes Affected Environment MD Baltimore County Back River 020600030702 Redhouse Creek-Back River No 303(d) No No Yes Yes Yes Affected Environment MD Baltimore County Northeast Creek 020600030703 Back River-Hawk Cove-Chesapeake Bay No No No Yes Yes Yes Affected Environment MD Baltimore County Stemmers Run 020600030703 Back River-Hawk Cove-Chesapeake Bay No No No No Yes No Affected Environment MD Baltimore County Brien Run 020600030703 Back River-Hawk Cove-Chesapeake Bay No No No No Yes No Affected Environment MD Baltimore County Whitemarsh Run 020600030601 Whitemarsh Run-Bird River No No Yes No Yes No Affected Environment MD Baltimore County Frog Mortar Creek 020600030701 Middle River No No No No No No Affected Environment MD Baltimore County / Harford Bird River 020600030601 Whitemarsh Run-Bird River No No No Yes Yes Yes Affected Environment MD Baltimore County / Harford Gunpowder Falls 020600030602 Saltpeter Creek-Gunpowder River No Tier II No No Yes Yes Yes Affected Environment MD Harford Winters Run 020600030106 Bush River No 303(d) No Yes No Yes No Affected Environment MD Harford Deep Spring Branch 020600030106 Bush River No No No Yes Yes Yes Affected Environment MD Harford Deep Spring Branch 020600030106 Bush River No No No Yes Yes Yes Affected Environment MD Harford Deep Spring Branch 020600030106 Bush River No No Yes No Yes No Affected Environment MD Harford Deep Spring Branch 020600030106 Bush River No No Yes No Yes No Affected Environment MD Harford Deep Spring Branch 020600030106 Bush River No No Yes No Yes No Affected Environment MD Harford Grays Run 020600030105 Grays Run-Church Creek No 303(d) No No Yes Yes Yes Affected Environment MD Cecil North East Creek 020600020102 North East Creek No 303(d) No Yes No Yes No Affected Environment MD Cecil Little North East Creek 020600020102 North East Creek No Tier II No No No Yes No Affected Environment MD Cecil Little North East Creek 020600020101 Little North East Creek No Tier II No Yes No Yes No Affected Environment MD Cecil Little North East Creek 020600020101 Little North East Creek No Tier II No Yes No Yes No Affected Environment DE New Castle Persimmon Run 020402050502 Upper Christina River No 303(d) No No No Yes Yes Affected Environment DE New Castle West Branch Christina River 020402050502 Upper Christina River No 303(d)-CWF No No No Yes Yes Affected Environment DE New Castle Persimmon Run 020402050502 Upper Christina River No 303(d) No No No Yes Yes Affected Environment DE New Castle White Clay Creek 020402050308 Lower White Clay Creek No Yes Yes No Yes Yes Affected Environment DE New Castle White Clay Creek 020402050308 Lower White Clay Creek No Yes Yes No Yes Yes Affected Environment DE New Castle Red Clay Creek 020402050307 Red Clay Creek No Yes Yes No Yes Yes Affected Environment DE New Castle Red Clay Creek 020402050307 Red Clay Creek No Yes Yes No Yes Yes Affected Environment DE New Castle Christina River 020402050505 Lower Christina River Yes 303(d)-CWF No No Yes Yes Yes Affected Environment DE New Castle Christina River 020402050505 Lower Christina River Yes 303(d)-CWF No No Yes Yes Yes Affected Environment DE New Castle Christina River 020402050505 Lower Christina River Yes 303(d)-CWF No No Yes Yes Yes Affected Environment DE New Castle Christina River 020402050505 Lower Christina River Yes 303(d)-CWF No No Yes Yes Yes Affected Environment DE New Castle Brandywine Creek 020402050505 Lower Christina River Yes 303(d) No No Yes Yes Yes Affected Environment DE New Castle Brandywine Creek 020402050403 Lower Brandywine Creek Yes 303(d) No Yes Yes Yes Yes Affected Environment DE New Castle Shellpot Creek 020402050602 Matson Run-Shellpot Creek No 303(d) No Yes Yes Yes Yes Affected Environment PA Delaware Stoney Creek 020402020607 Repaupo Creek-Delaware River No No No No Yes Yes Affected Environment PA Delaware Long Hook Creek 020402020505 Darby Creek No No No No Yes Yes Affected Environment PA Philadelphia Schuylkill River 020402031008 City of Philadelphia-Schuylkill River Yes Category 5 No Yes No Yes Yes Affected Environment PA Philadelphia Schuylkill River 020402031008 City of Philadelphia-Schuylkill River No Category 5 No Yes No Yes Yes Affected Environment PA Bucks Silver Lake 020402010405 Mill Creek-Silver Lake No 303(d)/Category 5 No Yes No Yes Yes Affected Environment PA Bucks Van Sciver Lake 020402010404 Van Sciver Lake-Delaware River No No Yes No Yes Yes Affected Environment PA Bucks Van Sciver Lake 020402010404 Van Sciver Lake-Delaware River No No Yes No Yes Yes Affected Environment PA Bucks Van Sciver Lake 020402010404 Van Sciver Lake-Delaware River No No Yes No Yes Yes Affected Environment PA / NJ Bucks / Mercer Delaware River 020401050911 Buck Creek-Delaware River Yes No Yes No Yes Yes Affected Environment NJ Mercer Assunpink Creek Tributary 020401050803 Lower Assunpink Creek No Category 1 No Yes No Yes No Affected Environment NJ Mercer Miry Run Tributary 020401050802 Miry Run No 303(d) No Yes No No No Affected Environment NJ Mercer Miry Run Tributary 020401050802 Miry Run No 303(d) No Yes No No No Affected Environment NJ Mercer Miry Run Tributary 020401050802 Miry Run No 303(d) No Yes No No No Affected Environment NJ Mercer Miry Run Tributary 020401050802 Miry Run No 303(d) No Yes No No No Affected Environment NJ Mercer Assunpink Creek Tributary 020401050801 Upper Assunpink Creek No Category 1 No Yes No Yes No Affected Environment NJ Mercer Assunpink Creek Tributary 020401050801 Upper Assunpink Creek No Category 1 No Yes No Yes No Affected Environment NJ Mercer Shipetaukin Creek Tributary 020401050803 Lower Assunpink Creek No No Yes No Yes No Affected Environment NJ Mercer Shipetaukin Creek Tributary 020401050803 Lower Assunpink Creek No No Yes No Yes No Affected Environment NJ Mercer Shipetaukin Creek Tributary 020401050803 Lower Assunpink Creek No No Yes No No No Affected Environment

Tier 1 Final EIS Volume 1 10 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Waterbody Analysis

Preferred Alterantive Wild and Freshwater Saltwater State County Waterbody Name HUC 12 HUC 12 Name Navigable Special WQ Designation SFHA CZMA Swath Construction Type Scenic River Wetlands Wetlands NJ Mercer Duck Pond Run Tributary 020301050307 Upper Millstone River No 303(d) No Yes No Yes No Affected Environment NJ Mercer Duck Pond Run Tributary 020301050307 Upper Millstone River No 303(d) No Yes No Yes No Affected Environment NJ Mercer Duck Pond Run Tributary 020301050307 Upper Millstone River No 303(d) No Yes No No No Affected Environment NJ Mercer Little Bear Brook Tributary 020301050307 Upper Millstone River No No Yes No Yes No Affected Environment NJ Mercer Bear Brook Tributary 020301050304 Bear Brook No 303(d) No Yes No Yes No Affected Environment NJ Mercer Bear Brook 020301050307 Upper Millstone River No 303(d) No Yes No Yes No Affected Environment NJ Middlesex Millstone River Tributary 020301050307 Upper Millstone River No 303(d) No Yes No Yes No Affected Environment NJ Mercer Millstone River Tributary 020301050307 Upper Millstone River No 303(d) No Yes No Yes No Affected Environment NJ Middlesex Millstone River Tributary 020301050307 Upper Millstone River No 303(d) No Yes No Yes No Affected Environment NJ Middlesex Cranbury Brook 020301050305 Cranbury Brook No 303(d) No Yes No Yes No Affected Environment NJ Middlesex Bee Brook 020301050306 Devils Brook No No Yes No Yes No Affected Environment NJ Middlesex Devils Brook Tributary 020301050306 Devils Brook No 303(d) No Yes No Yes No Affected Environment NJ Middlesex Devils Brook Tributary 020301050306 Devils Brook No 303(d) No Yes No Yes No Affected Environment NJ Middlesex Shallow Brook 020301050306 Devils Brook No 303(d) No Yes No Yes No Affected Environment NJ Middlesex Devils Brook Tributary 020301050306 Devils Brook No 303(d) No Yes No No No Affected Environment NJ Middlesex Devils Brook Tributary 020301050306 Devils Brook No 303(d) No Yes No Yes No Affected Environment NJ Middlesex Devils Brook Tributary 020301050306 Devils Brook No 303(d) No Yes No Yes No Affected Environment NJ Middlesex Lawrence Brook Tributary 020301050505 Lawrence Brook No 303(d) No Yes No Yes No Affected Environment NJ Middlesex Great Ditch Tributary 020301050505 Lawrence Brook No Category 1 No Yes No No No Affected Environment NJ Middlesex Deans Pond Tributary 020301050505 Lawrence Brook No No Yes No Yes No Affected Environment NJ Middlesex Deans Pond Tributary 020301050505 Lawrence Brook No No Yes No No No Affected Environment NJ Middlesex Oakeys Brook Tributary 020301050505 Lawrence Brook No No Yes No Yes No Affected Environment NJ Middlesex Oakeys Brook Tributary 020301050505 Lawrence Brook No No Yes No No No Affected Environment NJ Middlesex Oakeys Brook Tributary 020301050505 Lawrence Brook No No Yes No No No Affected Environment NJ Middlesex Oakeys Brook Tributary 020301050505 Lawrence Brook No No Yes No Yes No Affected Environment NJ Middlesex Oakeys Brook Tributary 020301050505 Lawrence Brook No No Yes No Yes No Affected Environment NJ Middlesex Lawrence Brook Tributary 020301050505 Lawrence Brook No 303(d) No Yes No No No Affected Environment NJ Middlesex Lawrence Brook Tributary 020301050505 Lawrence Brook No 303(d) No Yes No No No Affected Environment NJ Middlesex Mill Brook Tributary 020301050506 Mile Run-Raritan River No No No No Yes No Affected Environment NJ Middlesex Mill Brook Tributary 020301050506 Mile Run-Raritan River No No No No No No Affected Environment NJ Middlesex Mill Brook Tributary 020301050506 Mile Run-Raritan River No No Yes No Yes No Affected Environment NJ Middlesex Mill Brook Tributary 020301050506 Mile Run-Raritan River No No Yes No No No Affected Environment NJ Middlesex Ambrose Brook Tributary 020301050503 Ambrose Brook No No Yes No Yes No Affected Environment NJ Middlesex Ambrose Brook Tributary 020301050503 Ambrose Brook No No Yes No No No Affected Environment NJ Middlesex Bound Brook Tributary 020301050504 Green Brook No No Yes No No No Affected Environment NJ Middlesex Bound Brook Tributary 020301050504 Green Brook No No Yes No Yes No Affected Environment NJ Middlesex Bound Brook Tributary 020301050504 Green Brook No No Yes No Yes No Affected Environment NJ Middlesex South Branch Rahway River 020301040103 South Branch No 303(d) No Yes No Yes No Affected Environment NJ Middlesex South Branch Rahway River Tributary 020301040103 South Branch No 303(d) No Yes No Yes No Affected Environment NJ Middlesex South Branch Rahway River Tributary 020301040103 South Branch No No Yes No No No Affected Environment NJ Middlesex South Branch Rahway River Tributary 020301040103 South Branch No No Yes No Yes No Affected Environment NJ Middlesex South Branch Rahway River 020301040103 South Branch No 303(d) No Yes No Yes No Affected Environment NJ Middlesex South Branch Rahway River Tributary 020301040103 South Branch No No Yes No Yes No Affected Environment NJ Middlesex Parkway Branch 020301040103 South Branch No No Yes No Yes No Affected Environment NJ Middlesex South Branch Rahway River Tributary 020301040103 South Branch No No Yes No Yes No Affected Environment NJ Middlesex South Branch Rahway River 020301040103 South Branch No 303(d) No Yes No Yes No Affected Environment NJ Union South Branch Rahway River 020301040103 South Branch No 303(d) No Yes No Yes No Affected Environment NJ Union South Branch Rahway River 020301040103 South Branch No 303(d) No Yes No Yes No Affected Environment NJ Union Robinsons Branch 020301040102 Middlesex Reservoir-Robinsons Branch No 303(d) No Yes No Yes Yes Affected Environment NJ Union Robinsons Branch 020301040104 Lower Rahway River No 303(d) No Yes No Yes Yes Affected Environment NJ Essex Elizabeth Channel 020301040203 Newark Bay No 303(d) No Yes No Yes No Affected Environment NJ Essex Elizabeth Channel Tributary 020301040203 Newark Bay No No Yes No Yes No Affected Environment NJ Hudson Passaic River Tributary 020301030805 Second River-Passaic River No No No Yes Yes Yes Affected Environment NJ Essex / Hudson Passaic River 020301030805 Second River-Passaic River Yes 303(d) No No Yes Yes Yes Affected Environment NJ Hudson Hackensack River Tributary 020301030906 Lower Hackensack River No 303(d) No No No Yes No Affected Environment NJ Hudson Hackensack River Tributary 020301030906 Lower Hackensack River No 303(d) No No Yes Yes No Affected Environment NJ Hudson Hackensack River Tributary 020301030906 Lower Hackensack River No 303(d) No No Yes Yes Yes Affected Environment NJ Hudson Hackensack River Tributary 020301030906 Lower Hackensack River No 303(d) No No Yes Yes Yes Affected Environment NJ Hudson Hackensack River Tributary 020301030906 Lower Hackensack River No 303(d) No No Yes Yes Yes Affected Environment NJ Hudson Hackensack River Tributary 020301030906 Lower Hackensack River No 303(d) No No Yes Yes Yes Affected Environment NJ Hudson Penhorn Creek Tributary 020301030906 Lower Hackensack River No No No Yes Yes Yes Affected Environment NJ Hudson Penhorn Creek Tributary 020301030906 Lower Hackensack River No No No No Yes No Affected Environment NJ Hudson Penhorn Creek Tributary 020301030906 Lower Hackensack River No No No Yes Yes No Affected Environment NJ Hudson Penhorn Creek Tributary 020301030906 Lower Hackensack River No No No Yes Yes No Affected Environment NJ Hudson Penhorn Creek Tributary 020301030906 Lower Hackensack River No No Yes Yes Yes No Affected Environment NJ Hudson Hackensack Reservoir Number Two 020301010405 East River-Hudson River No 303(d) No Yes No No No Affected Environment NY Westchester Sheldrake River 020301020202 Sheldrake River-Mamaroneck River No 303(d)-Category A No Yes No Yes Yes Affected Environment NY / CT Westchester / Fairfield Byram River 011000060403 Byram River No No No Yes Yes Yes Affected Environment CT Fairfield Rippowam River 020302030000 Long Island Sound Deep No 303(d) No No Yes Yes No Affected Environment CT Fairfield Keelers Brook 011000060404 Fivemile River No Category A SW No Yes No Yes Yes Affected Environment

Tier 1 Final EIS Volume 1 11 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Waterbody Analysis

Preferred Alterantive Wild and Freshwater Saltwater State County Waterbody Name HUC 12 HUC 12 Name Navigable Special WQ Designation SFHA CZMA Swath Construction Type Scenic River Wetlands Wetlands CT Fairfield Sherwood Millpond 011000060303 Rooster River-Frontal Long Island Sound No 303(d) No No Yes Yes Yes Affected Environment CT Fairfield Pine Creek 011000060303 Rooster River-Frontal Long Island Sound No Category A SW No No No No Yes Affected Environment CT Fairfield Rooster River 011000060303 Rooster River-Frontal Long Island Sound No 303(d) No Yes Yes Yes Yes Affected Environment CT New Haven Stubby Plain Brook 011000040303 Milford Harbor-Frontal Long Island Sound No 303(d)-Category A SW No No Yes Yes Yes Affected Environment CT New Haven Stubby Plain Brook 011000040303 Milford Harbor-Frontal Long Island Sound No 303(d)-Category A SW No No Yes Yes Yes Affected Environment CT New Haven Gulf Pond 011000040303 Milford Harbor-Frontal Long Island Sound No 303(d)-Category A SW No No Yes Yes Yes Affected Environment CT New Haven Indian River 011000040303 Milford Harbor-Frontal Long Island Sound No 303(d)-Category A SW No No Yes Yes No Affected Environment CT New Haven Indian River 011000040303 Milford Harbor-Frontal Long Island Sound No 303(d)-Category A SW No No Yes Yes No Affected Environment CT New Haven Indian River 011000040303 Milford Harbor-Frontal Long Island Sound No 303(d)-Category A SW No No Yes Yes Yes Affected Environment CT New Haven Farley Swamp 011000040304 Cove River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Affected Environment CT New Haven Quirks Pond 011000040304 Cove River-Frontal Long Island Sound No Category A SW No Yes No No Yes Affected Environment CT New Haven Phipps Lake 011000040304 Cove River-Frontal Long Island Sound No Category A SW No Yes No No Yes Affected Environment CT New Haven Tuttle Brook 011000040208 Indian River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Affected Environment CT New Haven Tuttle Brook 011000040208 Indian River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Affected Environment CT New Haven Hoadley Creek 011000040208 Indian River-Frontal Long Island Sound No 303(d)-Category A SW No No Yes Yes Yes Affected Environment CT New Haven Game Farm Pond 011000040203 East River-Frontal Guilford Harbor No 303(d)-Category A SW No Yes No Yes Yes Affected Environment CT New Haven Tuxis Pond 011000040208 Indian River-Frontal Long Island Sound No Category A SW No Yes No No Yes Affected Environment CT New Haven / Middlesex Hammonasset River 011000040202 Hammonasset River-Frontal Clinton Harbor No 303(d) No No Yes Yes Yes Affected Environment CT Middlesex Indian River 020302030000 Long Island Sound Deep No 303(d)-Category A SW No No Yes Yes Yes Affected Environment CT Middlesex Hagar Creek 011000040207 Patchogue River-Frontal Westbrook Harbor No Category A SW No Yes No Yes Yes Affected Environment CT Middlesex Fishing Brook 011000040207 Patchogue River-Frontal Westbrook Harbor No 303(d) No Yes No Yes Yes Affected Environment CT Middlesex Mill Meadows 011000040207 Patchogue River-Frontal Westbrook Harbor No 303(d) No No Yes Yes Yes Affected Environment CT New London Lieutenant River 010802050905 Joshua Creek-Connecticut River No 303(d) No No Yes Yes Yes Affected Environment CT New London Duck River 010802050905 Joshua Creek-Connecticut River No No Yes No Yes Yes Affected Environment CT New London Armstrong Brook 011000030306 Pattagansett River-Frontal Long Island Sound No Category A SW No Yes No No Yes Affected Environment CT New London Pattagansett River 011000030306 Pattagansett River-Frontal Long Island Sound No 303(d) No No Yes Yes Yes Affected Environment CT New London Pattagansett River 011000030306 Pattagansett River-Frontal Long Island Sound No 303(d) No No Yes Yes Yes Affected Environment CT New London Brandegee Lake 011000030203 Thames River-Frontal New London Harbor No Category A SW No Yes No No Yes Affected Environment CT New London Birch Plain Creek 011000030303 Stony Brook-Frontal Fishers Island Sound No Category A SW No Yes No Yes Yes Affected Environment CT New London Hatching House Brook 011000030302 Poquonock River-Frontal Fishers Island Sound No No Yes No No Yes Affected Environment CT New London Pohegnut Reservoir 011000030302 Poquonock River-Frontal Fishers Island Sound No No Yes No No Yes Affected Environment CT New London Smith Lake 011000030302 Poquonock River-Frontal Fishers Island Sound No No Yes No No Yes Affected Environment CT New London Smith Lake 011000030302 Poquonock River-Frontal Fishers Island Sound No No Yes No No Yes Affected Environment CT New London Hatching House Brook 011000030302 Poquonock River-Frontal Fishers Island Sound No No Yes No No Yes Affected Environment CT New London Mystic Reservoir 011000030303 Stony Brook-Frontal Fishers Island Sound No No Yes No Yes Yes Affected Environment CT New London Quanaduck Cove 011000030303 Stony Brook-Frontal Fishers Island Sound Yes 303(d)-Category A SW No No Yes Yes Yes Affected Environment CT / RI New London / Washington Pawcatuck River 010900050303 Lower Pawcatuck River Yes 303(d) No Yes Yes Yes Yes Affected Environment RI Washington Chapman Pond 010900050205 Tomaquag Brook-Pawcatuck River No 303(d) No Yes No Yes No Affected Environment RI Washington Pawcatuck River 010900050205 Tomaquag Brook-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Affected Environment RI Washington Pawcatuck River 010900050205 Tomaquag Brook-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Affected Environment RI Washington Pawcatuck River 010900050205 Tomaquag Brook-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Affected Environment RI Washington Pawcatuck River 010900050205 Tomaquag Brook-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Affected Environment RI Washington Meadow Brook Pond 010900050205 Tomaquag Brook-Pawcatuck River No 303(d) No Yes No Yes No Affected Environment RI Washington Beaver River 010900050204 Usquepaug River-Pawcatuck River No No Yes No No No Affected Environment RI Washington Beaver River 010900050203 Beaver River No 303(d) No Yes No Yes No Affected Environment RI Washington Pasquiset Brook 010900050204 Usquepaug River-Pawcatuck River No No Yes No No No Affected Environment RI Washington Chickasheen Brook 010900050204 Usquepaug River-Pawcatuck River No No Yes No Yes No Affected Environment RI Washington Chickasheen Brook 010900050204 Usquepaug River-Pawcatuck River No No Yes No Yes No Affected Environment RI Washington Chickasheen Brook 010900050204 Usquepaug River-Pawcatuck River No No Yes No Yes No Affected Environment RI Washington Thirty Acre Pond 010900050201 Chipuxet River-Pawcatuck River No 303(d) No Yes No Yes No Affected Environment RI Washington Hundred Acre Pond 010900050201 Chipuxet River-Pawcatuck River No 303(d) No Yes No Yes No Affected Environment RI Washington Chipuxet River 010900050201 Chipuxet River-Pawcatuck River No 303(d) No Yes No Yes No Affected Environment RI Washington Chipuxet River 010900050201 Chipuxet River-Pawcatuck River No 303(d) No Yes No Yes No Affected Environment RI Washington Chipuxet River 010900050201 Chipuxet River-Pawcatuck River No 303(d) No Yes No Yes No Affected Environment RI Washington Chipuxet River 010900050201 Chipuxet River-Pawcatuck River No No Yes No No No Affected Environment RI Washington Annaquatucket River 010900040908 Lower West Passage No 303(d) No Yes No Yes No Affected Environment RI Washington Annaquatucket River 010900040908 Lower West Passage No 303(d) No Yes No Yes No Affected Environment RI Washington Sandhill Brook 010900040904 Hunt River No 303(d) No Yes No Yes No Affected Environment RI Washington Sandhill Brook 010900040904 Hunt River No 303(d) No Yes No Yes No Affected Environment RI Washington Black Swamp 010900040904 Hunt River No 303(d) No Yes No Yes No Affected Environment RI Kent Greenwich Bay 010900040903 Greenwich Bay Yes 303(d)-SAMP-SW No No Yes Yes Yes Affected Environment RI Kent Greenwich Bay 010900040903 Greenwich Bay Yes 303(d)-SAMP-SW No No Yes Yes Yes Affected Environment RI Kent Gorton Pond 010900040903 Greenwich Bay No SAMP-SW No Yes No Yes No Affected Environment RI Kent Three Ponds 010900040609 Pawtuxet River No 303(d) No Yes No No No Affected Environment RI Kent Three Ponds Brook 010900040609 Pawtuxet River No 303(d) No No No No No Affected Environment RI Kent Three Ponds 010900040609 Pawtuxet River No 303(d) No Yes No No No Affected Environment RI Providence Roosevelt Lake 010900040609 Pawtuxet River No 303(d) No Yes No Yes No Affected Environment RI Providence Mashapaug Pond 010900040609 Pawtuxet River No 303(d) No Yes No Yes No Affected Environment RI Providence Woonasquatucket River 010900040502 Woonasquatucket River No 303(d) No Yes No Yes Yes Affected Environment RI Providence Woonasquatucket River 010900040502 Woonasquatucket River No 303(d) No Yes No Yes Yes Affected Environment

Tier 1 Final EIS Volume 1 12 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Waterbody Analysis

Preferred Alterantive Wild and Freshwater Saltwater State County Waterbody Name HUC 12 HUC 12 Name Navigable Special WQ Designation SFHA CZMA Swath Construction Type Scenic River Wetlands Wetlands RI Providence Woonasquatucket River 010900040502 Woonasquatucket River No 303(d) No Yes No Yes Yes Affected Environment RI Providence Woonasquatucket River 010900040502 Woonasquatucket River No 303(d) No Yes No Yes Yes Affected Environment RI Providence Moshassuck River 010900040501 Moshassuck River No 303(d) No No No Yes No Affected Environment RI Providence Sevenmile River 010900040401 Ten Mile River No 303(d) No Yes No Yes No Affected Environment MA Bristol Oak Hill Stream 010900040401 Ten Mile River No No Yes No Yes No Affected Environment MA Bristol East Junction Stream 010900040401 Ten Mile River No No Yes No Yes No Affected Environment MA Bristol Bungay River 010900040401 Ten Mile River No Class B No Yes No Yes No Affected Environment MA Bristol Bungay River 010900040401 Ten Mile River No Class B No Yes No Yes No Affected Environment MA Bristol Bungay River 010900040401 Ten Mile River No Class B No Yes No Yes No Affected Environment MA Bristol Bungay River 010900040401 Ten Mile River No Class B No Yes No Yes No Affected Environment MA Bristol Wading River Reservoir 010900040301 Wading River No 303(d)-Class A/B SW No Yes No Yes No Affected Environment MA Bristol Fulton Pond 010900040302 Threemile River No 303(d)-Class B SW No Yes No Yes No Affected Environment MA Norfolk Glue Factory Pond 010900040302 Threemile River No 303(d)-Class B SW No Yes No Yes No Affected Environment MA Norfolk Rumford River 010900040302 Threemile River No 303(d) No Yes No Yes No Affected Environment MA Norfolk Greeleys Pond 010900040801 Mill River No No Yes No Yes No Affected Environment MA Norfolk Canoe River 010900040801 Mill River No No Yes No Yes No Affected Environment MA Norfolk Purgatory Brook 010900010803 Outlet Neponset River-Frontal Boston Harbor No No Yes No Yes No Affected Environment MA Norfolk Ponkapoag Brook 010900010803 Outlet Neponset River-Frontal Boston Harbor No No Yes No No No Affected Environment MA Norfolk Neponset River 010900010803 Outlet Neponset River-Frontal Boston Harbor No 303(d) No Yes No Yes No Affected Environment MA Norfolk Fowl Meadows 010900010803 Outlet Neponset River-Frontal Boston Harbor No 303(d)-Class B SW No Yes No No No Affected Environment MA Suffolk Sprague Pond 010900010803 Outlet Neponset River-Frontal Boston Harbor No 303(d)-Class B SW No Yes No Yes No Affected Environment MA Suffolk Neponset River 010900010803 Outlet Neponset River-Frontal Boston Harbor No 303(d) No Yes No Yes No Affected Environment MA Suffolk Neponset River 010900010803 Outlet Neponset River-Frontal Boston Harbor No 303(d) No Yes No Yes No Affected Environment MA Suffolk Stony Brook 010900010704 Charles River-Frontal Boston Harbor No No No No No No Affected Environment CT New Haven Quinnipiac River 011000040105 Outlet Quinnipiac River Yes 303(d) No No Yes Yes Yes Affected Environment CT New Haven Quinnipiac River 011000040105 Outlet Quinnipiac River Yes 303(d) No No Yes Yes Yes Affected Environment CT New Haven Quinnipiac River 011000040105 Outlet Quinnipiac River Yes No Yes No Yes Yes Affected Environment CT New Haven Quinnipiac River 011000040105 Outlet Quinnipiac River Yes 303(d) No Yes No Yes Yes Affected Environment CT New Haven Quinnipiac River 011000040105 Outlet Quinnipiac River Yes 303(d) No Yes No Yes Yes Affected Environment CT New Haven Wharton Brook 011000040105 Outlet Quinnipiac River No 303(d) No Yes No Yes No Affected Environment CT New Haven Wharton Brook 011000040105 Outlet Quinnipiac River No 303(d) No Yes No Yes No Affected Environment CT New Haven Wharton Brook 011000040105 Outlet Quinnipiac River No 303(d) No Yes No Yes No Affected Environment CT New Haven Quinnipiac River 011000040105 Outlet Quinnipiac River No No Yes No Yes No Affected Environment CT New Haven Harbor Brook 011000040103 Headwaters Quinnipiac River No 303(d)-Category A SW No Yes No Yes No Affected Environment CT New Haven Cathole Brook 011000040103 Headwaters Quinnipiac River No No Yes No No No Affected Environment CT Hartford Piper Brook 010802050303 Piper Brook-Park River No Category A SW No Yes No Yes No Affected Environment CT Hartford South Branch Park River 010802050303 Piper Brook-Park River No 303(d) No Yes No Yes No Affected Environment CT Hartford South Branch Park River 010802050303 Piper Brook-Park River No 303(d) No Yes No Yes No Affected Environment CT Hartford South Branch Park River 010802050303 Piper Brook-Park River No 303(d) No No No Yes No Affected Environment CT Hartford Park River 010802050303 Piper Brook-Park River No 303(d) No No No No No Affected Environment CT Hartford Park River 010802050303 Piper Brook-Park River No 303(d) No No No No No Affected Environment CT Hartford Connecticut River 010802050502 Stoughton Brook-Connecticut River Yes 303(d) - Class SB (Shellfish) No Yes No Yes No Affected Environment CT Hartford Newberry Brook 010802050502 Stoughton Brook-Connecticut River No Class A - SW No Yes No Yes No Affected Environment CT Hartford Blue Ditch 010802050105 Freshwater Brook-Connecticut River No Class B No Yes No Yes No Affected Environment CT Hartford Connecticut River 010802050105 Freshwater Brook-Connecticut River Yes 303(d) - Class B No Yes No Yes No Affected Environment CT Hartford Adds Brook 010802050105 Freshwater Brook-Connecticut River No Class A - SW No No No No No Affected Environment CT Hartford Connecticut River 010802050105 Freshwater Brook-Connecticut River Yes 303(d) - Class B No Yes No Yes No Affected Environment CT Hartford Connecticut River 010802050105 Freshwater Brook-Connecticut River Yes 303(d) - Class B No Yes No Yes No Affected Environment CT Hartford Boweyns Brook 010802050105 Freshwater Brook-Connecticut River No Class B No Yes No Yes No Affected Environment CT Hartford Connecticut River 010802050105 Freshwater Brook-Connecticut River Yes 303(d) - Class B No Yes No Yes No Affected Environment CT Hartford Connecticut River 010802050105 Freshwater Brook-Connecticut River Yes 303(d) - Class B No Yes No Yes No Affected Environment CT Hartford Rawlins Brook 010802050105 Freshwater Brook-Connecticut River No Class B No Yes No Yes No Affected Environment CT Hartford Connecticut River 010802050102 Pecousic Brook-Connecticut River Yes 303(d) - Class B No Yes No Yes No Affected Environment CT Hartford Grape Brook 010802050102 Pecousic Brook-Connecticut River No Class A - SW No Yes No Yes No Affected Environment CT Hartford Deep Brook 010802050102 Pecousic Brook-Connecticut River No Class B No Yes No Yes No Affected Environment MA Hampden Connecticut River 010802050102 Pecousic Brook-Connecticut River Yes 303(d) - Class B No Yes No Yes No Affected Environment MA Hampden Pecousic Brook 010802050102 Pecousic Brook-Connecticut River No Class B No No No No No Affected Environment MA Hampden Westfield River 010802050102 Pecousic Brook-Connecticut River No Class B No Yes No Yes No Affected Environment MA Hampden Connecticut River 010802010702 Stony Brook-Connecticut River Yes Class B No Yes No Yes No Affected Environment DC District of Columbia Anacostia River 020700100204 Lower Anacostia River No 303(d) No Yes No Yes No Representative Route MAJOR BRIDGE MD Prince George's Beaverdam Creek 020700100204 Lower Anacostia River No No Yes No Yes No Representative Route COMMON GRADE MD Prince George's Beaverdam Creek 020700100204 Lower Anacostia River No No Yes No Yes No Representative Route COMMON GRADE MD Prince George's Bald Hill Branch 020600060302 Northwest Branch of the Western Branch Patuxent River No Tier II No No No Yes No Representative Route COMMON GRADE MD Prince George's Folly Branch 020600060302 Northwest Branch of the Western Branch Patuxent River No 303(d) No Yes No Yes No Representative Route COMMON GRADE MD Prince George's Newstop Branch 020600060401 Horsepen Branch-Patuxent River No 303(d) No Yes No No No Representative Route COMMON GRADE MD Anne Arundel / Prince George's Patuxent River 020600060401 Horsepen Branch-Patuxent River No 303(d) No Yes No Yes No Representative Route AERIAL MD Anne Arundel Little Patuxent River 020600060203 Towsers Branch-Little Patuxent River No 303(d) No Yes No Yes No Representative Route EMBANKMENT MD Anne Arundel Midway Branch 020600060203 Towsers Branch-Little Patuxent River No 303(d) No Yes No Yes No Representative Route EMBANKMENT MD Anne Arundel Severn Run 020600040201 Severn Run No Shellfish No Yes No Yes No Representative Route COMMON GRADE MD Anne Arundel / Baltimore County Patapsco River 020600031103 Herbert Run-Patapsco River No Tier II No Yes No Yes No Representative Route MAJOR BRIDGE

Tier 1 Final EIS Volume 1 13 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Waterbody Analysis

Preferred Alterantive Wild and Freshwater Saltwater State County Waterbody Name HUC 12 HUC 12 Name Navigable Special WQ Designation SFHA CZMA Swath Construction Type Scenic River Wetlands Wetlands MD Baltimore County Herbert Run 020600031103 Herbert Run-Patapsco River No 303(d) No Yes No Yes No Representative Route COMMON GRADE MD Baltimore County Herbert Run 020600031103 Herbert Run-Patapsco River No 303(d) No Yes No Yes No Representative Route COMMON GRADE MD Baltimore City Maidens Choice Run 020600030902 Dead Run-Gywnns Falls No No No No Yes No Representative Route COMMON GRADE MD Baltimore City Gwynns Falls 020600030902 Dead Run-Gywnns Falls No No Yes No Yes No Representative Route MAJOR BRIDGE MD Baltimore City Jones Falls 020600031201 Jones Falls No No No No Yes No Representative Route COMMON GRADE MD Baltimore City Herring Run 020600030702 Redhouse Creek-Back River No 303(d)-Tier II No Yes No Yes No Representative Route AERIAL MD Baltimore County Redhouse Creek 020600030702 Redhouse Creek-Back River No No Yes Yes Yes Yes Representative Route COMMON GRADE MD Baltimore County Back River 020600030702 Redhouse Creek-Back River No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE MD Baltimore County Stemmers Run 020600030703 Back River-Hawk Cove-Chesapeake Bay No No Yes No Yes No Representative Route COMMON GRADE MD Baltimore County Northeast Creek 020600030703 Back River-Hawk Cove-Chesapeake Bay No No No No Yes No Representative Route AERIAL MD Baltimore County Middle River 020600030701 Middle River No No Yes Yes Yes Yes Representative Route COMMON GRADE MD Baltimore County Cowpen Creek 020600030701 Middle River No No No No No No Representative Route AERIAL MD Baltimore County Whitemarsh Run 020600030601 Whitemarsh Run-Bird River No No Yes No Yes No Representative Route EMBANKMENT MD Baltimore County Honeygo Run 020600030601 Whitemarsh Run-Bird River No No Yes No Yes No Representative Route AERIAL MD Baltimore County Bird River 020600030601 Whitemarsh Run-Bird River No No Yes Yes Yes Yes Representative Route AERIAL MD Baltimore County Dundee Creek 020600030602 Saltpeter Creek-Gunpowder River No No No No Yes No Representative Route COMMON GRADE MD Baltimore County Duck Creek 020600030601 Whitemarsh Run-Bird River No No Yes Yes Yes Yes Representative Route AERIAL MD Baltimore County Railroad Creek 020600030601 Whitemarsh Run-Bird River No No No Yes Yes Yes Representative Route COMMON GRADE MD Baltimore County / Harford Gunpowder River 020600030602 Saltpeter Creek-Gunpowder River Yes Shellfish No No Yes Yes Yes Representative Route MAJOR BRIDGE MD Baltimore County Gunpowder Falls 020600030502 Long Green Creek No Tier II No Yes No No No Representative Route AERIAL MD Baltimore County Cat Creek 020600030501 Little Gunpowder Falls No No Yes No No No Representative Route AERIAL MD Baltimore County / Harford Little Gunpowder Falls 020600030501 Little Gunpowder Falls No 303(d) No Yes No Yes No Representative Route AERIAL MD Harford Emmord Branch 020600030602 Saltpeter Creek-Gunpowder River No No Yes Yes Yes Yes Representative Route EMBANKMENT MD Harford Otter Point Creek 020600030106 Bush River No Tier II No Yes No Yes No Representative Route AERIAL MD Harford Lauderick Creek 020600030106 Bush River No No Yes Yes No Yes Representative Route EMBANKMENT MD Harford Haha Branch 020600030106 Bush River No No Yes Yes Yes Yes Representative Route AERIAL MD Harford Bush River 020600030106 Bush River Yes Shellfish No No Yes Yes No Representative Route MAJOR BRIDGE MD Harford Bush Creek 020600030104 Bynum Run-Bush Creek No Shellfish No Yes Yes Yes Yes Representative Route AERIAL MD Harford Church Creek 020600030105 Grays Run-Church Creek No No No No Yes No Representative Route AERIAL MD Harford Bush River 020600030105 Grays Run-Church Creek No 303(d)-Shellfish No No Yes Yes Yes Representative Route AERIAL MD Harford Cranberry Run 020600030105 Grays Run-Church Creek No No Yes Yes Yes Yes Representative Route EMBANKMENT MD Harford Cranberry Run 020600030105 Grays Run-Church Creek No No Yes Yes Yes Yes Representative Route AERIAL MD Harford Romney Creek 020600030203 Upper Romney Creek No 303(d) No Yes No Yes No Representative Route COMMON GRADE MD Harford Tributary 4 to Swan Creek 020600030201 Swan Creek-Chesapeake Bay No 303(d) No No No Yes No Representative Route EMBANKMENT MD Harford Tributary 4 to Swan Creek 020600030201 Swan Creek-Chesapeake Bay No 303(d) No No No Yes No Representative Route COMMON GRADE MD Harford Tributary 4 to Swan Creek 020600030201 Swan Creek-Chesapeake Bay No 303(d) No No No Yes No Representative Route AERIAL MD Harford Swan Creek 020600030201 Swan Creek-Chesapeake Bay No 303(d) No No No Yes No Representative Route AERIAL MD Harford Tributary 1 to Swan Creek 020600030201 Swan Creek-Chesapeake Bay No 303(d) No No No Yes No Representative Route COMMON GRADE MD Harford Gasheys Creek 020600030201 Swan Creek-Chesapeake Bay No 303(d) No No No Yes No Representative Route COMMON GRADE MD Cecil Susquehanna River 020503061713 Rock Run-Susquehanna River No 303(d) No Yes No Yes No Representative Route MAJOR BRIDGE MD Cecil Mill Creek 020600020103 Mill Creek-Furnace Bay No Reservoir Protection-Tier II No No No Yes No Representative Route AERIAL MD Cecil Tributary to Furnace Bay 020600020103 Mill Creek-Furnace Bay No 303(d) No Yes No Yes Yes Representative Route EMBANKMENT MD Cecil Tributary to Furnace Bay 020600020103 Mill Creek-Furnace Bay No 303(d) No Yes No Yes Yes Representative Route AERIAL MD Cecil Stony Run 020600020102 North East Creek No 303(d)-Shellfish No Yes No Yes No Representative Route AERIAL MD Cecil Stony Run 020600020102 North East Creek No 303(d)-Shellfish No No No Yes No Representative Route AERIAL MD Cecil North East Creek 020600020102 North East Creek No 303(d) No Yes No Yes No Representative Route AERIAL MD Cecil North East Creek 020600020102 North East Creek No 303(d) No Yes No Yes No Representative Route EMBANKMENT MD Cecil Little North East Creek 020600020101 Little North East Creek No Tier II No Yes No Yes No Representative Route AERIAL MD Cecil Little North East Creek 020600020101 Little North East Creek No Tier II No Yes No Yes No Representative Route EMBANKMENT MD Cecil Little North East Creek 020600020101 Little North East Creek No Tier II No Yes No Yes No Representative Route AERIAL MD Cecil West Branch Laurel Run 020600020202 Little Elk Creek No 303(d) No Yes No Yes No Representative Route COMMON GRADE MD Cecil Mill Creek 020600020202 Little Elk Creek No Reservoir Protection-Tier II No Yes No Yes No Representative Route COMMON GRADE MD Cecil East Branch Laurel Run 020600020202 Little Elk Creek No No No No Yes No Representative Route EMBANKMENT MD Cecil East Branch Laurel Run 020600020202 Little Elk Creek No No No No Yes No Representative Route EMBANKMENT MD Cecil Mill Creek 020600020202 Little Elk Creek No Reservoir Protection-Tier II No Yes No Yes No Representative Route COMMON GRADE MD Cecil Little Elk Creek 020600020202 Little Elk Creek No 303(d)-Shellfish No Yes No Yes No Representative Route AERIAL MD Cecil Little Elk Creek 020600020202 Little Elk Creek No 303(d)-Shellfish No Yes No Yes No Representative Route AERIAL MD Cecil Gravelly Run 020600020202 Little Elk Creek No No No No Yes No Representative Route EMBANKMENT MD Cecil Big Elk Creek 020600020203 Big Elk Creek No 303(d)-Tier II No Yes No Yes No Representative Route AERIAL MD Cecil Dogwood Run 020600020202 Little Elk Creek No No Yes No Yes No Representative Route EMBANKMENT MD Cecil Big Elk Creek 020600020203 Big Elk Creek No 303(d)-Tier II No Yes No Yes No Representative Route AERIAL MD Cecil Persimmon Run 020402050502 Upper Christina River No No Yes No No No Representative Route COMMON GRADE MD Cecil West Branch Christina River 020402050502 Upper Christina River No 303(d) No Yes No Yes No Representative Route AERIAL MD Cecil West Branch Christina River 020402050502 Upper Christina River No 303(d) No Yes No Yes No Representative Route AERIAL MD Cecil West Branch Christina River 020402050502 Upper Christina River No 303(d) No Yes No Yes No Representative Route EMBANKMENT MD Cecil West Branch Christina River 020402050502 Upper Christina River No 303(d) No Yes No Yes No Representative Route EMBANKMENT MD Cecil West Branch Christina River 020402050502 Upper Christina River No 303(d) No Yes No Yes No Representative Route EMBANKMENT MD Cecil West Branch Christina River 020402050502 Upper Christina River No 303(d) No Yes No Yes No Representative Route EMBANKMENT MD Cecil West Branch Christina River 020402050502 Upper Christina River No 303(d) No Yes No Yes No Representative Route EMBANKMENT MD Cecil West Branch Christina River 020402050502 Upper Christina River No 303(d) No Yes No Yes No Representative Route EMBANKMENT

Tier 1 Final EIS Volume 1 14 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Waterbody Analysis

Preferred Alterantive Wild and Freshwater Saltwater State County Waterbody Name HUC 12 HUC 12 Name Navigable Special WQ Designation SFHA CZMA Swath Construction Type Scenic River Wetlands Wetlands MD Cecil West Branch Christina River 020402050502 Upper Christina River No 303(d) No Yes No Yes No Representative Route EMBANKMENT DE New Castle West Branch Christina River 020402050502 Upper Christina River No 303(d)-CWF No No No Yes Yes Representative Route AERIAL DE New Castle Christina River 020402050502 Upper Christina River No CWF No Yes No Yes Yes Representative Route AERIAL DE New Castle Christina River 020402050502 Upper Christina River No CWF No Yes No Yes Yes Representative Route TUNNEL DE New Castle White Clay Creek 020402050308 Lower White Clay Creek No Yes Yes No Yes Yes Representative Route AERIAL DE New Castle White Clay Creek 020402050308 Lower White Clay Creek No Yes Yes No Yes Yes Representative Route AERIAL DE New Castle Newport Marsh 020402050505 Lower Christina River No 303(d) No No Yes No Yes Representative Route COMMON GRADE DE New Castle Little Mill Creek 020402050504 Little Mill Creek No No Yes Yes Yes Yes Representative Route AERIAL DE New Castle Little Mill Creek 020402050504 Little Mill Creek No No Yes Yes Yes Yes Representative Route MAJOR BRIDGE DE New Castle Christina River 020402050505 Lower Christina River Yes 303(d)-CWF No No Yes Yes Yes Representative Route MAJOR BRIDGE DE New Castle Christina River 020402050505 Lower Christina River Yes Category A SW No No Yes Yes Yes Representative Route MAJOR BRIDGE DE New Castle Brandywine Creek 020402050403 Lower Brandywine Creek Yes 303(d) No Yes Yes Yes Yes Representative Route AERIAL DE New Castle Shellpot Creek 020402050602 Matson Run-Shellpot Creek No 303(d) No Yes No Yes Yes Representative Route AERIAL DE New Castle Shellpot Creek 020402050602 Matson Run-Shellpot Creek No 303(d) No Yes No Yes Yes Representative Route AERIAL DE New Castle Stoney Creek 020402050601 Stoney Creek No No Yes Yes No Yes Representative Route AERIAL DE New Castle Delaware River 020402050601 Stoney Creek Yes No No Yes Yes Yes Representative Route COMMON GRADE DE New Castle Delaware River 020402050601 Stoney Creek Yes No No Yes Yes Yes Representative Route COMMON GRADE DE New Castle Delaware River 020402050601 Stoney Creek Yes No No Yes Yes Yes Representative Route COMMON GRADE DE New Castle Delaware River 020402050601 Stoney Creek Yes No No Yes Yes Yes Representative Route COMMON GRADE DE New Castle Delaware River 020402050601 Stoney Creek Yes No No Yes Yes Yes Representative Route COMMON GRADE DE New Castle Perkins Run 020402050601 Stoney Creek No No No Yes No Yes Representative Route COMMON GRADE DE New Castle Naaman Creek 020402020608 Oldmans Creek-Delaware River No 303(d) No Yes No Yes Yes Representative Route AERIAL PA Delaware Marcus Hook Creek 020402020607 Repaupo Creek-Delaware River No Category 5 No No No Yes Yes Representative Route EMBANKMENT PA Delaware Chester Creek 020402020605 Chester Creek No Category 5 No No No Yes Yes Representative Route AERIAL PA Delaware Ridley Creek 020402020602 Ridley Creek No Category 5 No Yes No Yes Yes Representative Route AERIAL PA Delaware Crum Creek 020402020601 Crum Creek No Category 5 No Yes No Yes Yes Representative Route AERIAL PA Delaware Darby Creek 020402020505 Darby Creek No Category 5 No Yes No Yes Yes Representative Route AERIAL PA Delaware Plum Hook Creek (historical) 020402020507 Woodbury Creek-Delaware River No No Yes No Yes Yes Representative Route AERIAL PA Philadelphia Schuylkill River 020402031008 City of Philadelphia-Schuylkill River No Category 5 No Yes No Yes Yes Representative Route MAJOR BRIDGE PA Philadelphia Frankford Creek 020402020402 Tacony Creek-Frankford Creek No Category 5 No Yes No Yes Yes Representative Route TRENCH PA Philadelphia Pennypack Creek 020402020304 Lower Pennypack Creek No Category 5 No Yes No Yes Yes Representative Route AERIAL PA Philadelphia / Bucks Poquessing Creek 020402020301 Poquessing Creek No Category 5 No Yes No Yes Yes Representative Route AERIAL PA Bucks Neshaminy Creek 020402010303 Core Creek-Neshaminy Creek No Category 5 No Yes No Yes Yes Representative Route MAJOR BRIDGE PA Bucks Mill Creek 020402010405 Mill Creek-Silver Lake No 303(d)-Category 5 No Yes No Yes Yes Representative Route AERIAL PA Bucks Martins Creek 020402010403 Martins Creek No 303(d)-Catgeory 5 No Yes No Yes Yes Representative Route COMMON GRADE PA / NJ Bucks / Mercer Delaware River 020402010404 Van Sciver Lake-Delaware River Yes No Yes No Yes Yes Representative Route MAJOR BRIDGE NJ Mercer Assunpink Creek 020401050803 Lower Assunpink Creek No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Mercer Pond Run 020401050803 Lower Assunpink Creek No 303(d) No No No Yes No Representative Route EMBANKMENT NJ Mercer Miry Run 020401050802 Miry Run No 303(d) No Yes No Yes No Representative Route EMBANKMENT NJ Mercer Assunpink Creek Tributary 020401050801 Upper Assunpink Creek No Category 1 No Yes No Yes No Representative Route COMMON GRADE NJ Mercer Assunpink Creek Tributary 020401050801 Upper Assunpink Creek No Category 1 No Yes No Yes No Representative Route COMMON GRADE NJ Mercer Assunpink Creek Tributary 020401050801 Upper Assunpink Creek No Category 1 No Yes No Yes No Representative Route COMMON GRADE NJ Mercer Assunpink Creek 020401050801 Upper Assunpink Creek No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Mercer Shipetaukin Creek Tributary 020401050803 Lower Assunpink Creek No No Yes No No No Representative Route COMMON GRADE NJ Mercer Shipetaukin Creek Tributary 020401050803 Lower Assunpink Creek No No Yes No No No Representative Route COMMON GRADE NJ Mercer Shipetaukin Creek Tributary 020401050803 Lower Assunpink Creek No No Yes No No No Representative Route COMMON GRADE NJ Mercer Duck Pond Run 020301050307 Upper Millstone River No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Mercer Duck Pond Run Tributary 020301050307 Upper Millstone River No No Yes No No No Representative Route COMMON GRADE NJ Mercer Little Bear Brook Tributary 020301050307 Upper Millstone River No No Yes No No No Representative Route COMMON GRADE NJ Mercer Bear Brook 020301050304 Bear Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Mercer / Middlesex Millstone River 020301050307 Upper Millstone River No 303(d) No Yes No Yes No Representative Route AERIAL NJ Middlesex Devils Brook Tributary 020301050306 Devils Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Devils Brook 020301050306 Devils Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Devils Brook Tributary 020301050306 Devils Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Devils Brook Tributary 020301050306 Devils Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Devils Brook Tributary 020301050306 Devils Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Devils Brook Tributary 020301050306 Devils Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Devils Brook Tributary 020301050306 Devils Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Lawrence Brook 020301050505 Lawrence Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Lawrence Brook Tributary 020301050505 Lawrence Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Lawrence Brook 020301050505 Lawrence Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Lawrence Brook 020301050505 Lawrence Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Terhune Run 020301050505 Lawrence Brook No No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Deans Pond 020301050505 Lawrence Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Deans Pond 020301050505 Lawrence Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Lawrence Brook 020301050505 Lawrence Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Lawrence Brook Tributary 020301050505 Lawrence Brook No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Deans Pond 020301050505 Lawrence Brook No No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Cow Yard Brook 020301050505 Lawrence Brook No No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Oakeys Brook 020301050505 Lawrence Brook No No Yes No Yes No Representative Route COMMON GRADE

Tier 1 Final EIS Volume 1 15 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Waterbody Analysis

Preferred Alterantive Wild and Freshwater Saltwater State County Waterbody Name HUC 12 HUC 12 Name Navigable Special WQ Designation SFHA CZMA Swath Construction Type Scenic River Wetlands Wetlands NJ Middlesex Oakeys Brook 020301050505 Lawrence Brook No No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Lawrence Brook Tributary 020301050505 Lawrence Brook No 303(d) No Yes No No No Representative Route COMMON GRADE NJ Middlesex Mile Run 020301050506 Mile Run-Raritan River No No No No Yes No Representative Route COMMON GRADE NJ Middlesex Mile Run 020301050506 Mile Run-Raritan River No 303(d) No Yes No Yes No Representative Route COMMON GRADE NJ Middlesex Delaware and Raritan Canal 020301050506 Mile Run-Raritan River No No No Yes Yes Yes Representative Route MAJOR BRIDGE NJ Middlesex Raritan River 020301050506 Mile Run-Raritan River No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE NJ Middlesex Mill Brook Tributary 020301050506 Mile Run-Raritan River No No Yes No Yes No Representative Route TUNNEL NJ Middlesex Mill Brook 020301050506 Mile Run-Raritan River No No Yes No Yes No Representative Route TUNNEL NJ Middlesex Ambrose Brook 020301050503 Ambrose Brook No No Yes No Yes No Representative Route TRENCH NJ Middlesex Ambrose Brook Tributary 020301050503 Ambrose Brook No No Yes No Yes No Representative Route EMBANKMENT NJ Middlesex Ambrose Brook Tributary 020301050503 Ambrose Brook No No Yes No No No Representative Route EMBANKMENT NJ Middlesex Mill Brook Tributary 020301050507 Mill Brook-Raritan River No No No No No No Representative Route AERIAL NJ Middlesex South Branch Rahway River Tributary 020301040103 South Branch No No Yes No No No Representative Route TUNNEL NJ Middlesex South Branch Rahway River Tributary 020301040103 South Branch No No Yes No No No Representative Route EMBANKMENT NJ Middlesex Coppermine Brook 020301040103 South Branch No No Yes No Yes No Representative Route EMBANKMENT NJ Middlesex Coppermine Brook 020301040103 South Branch No No Yes No Yes No Representative Route TUNNEL NJ Middlesex South Branch Rahway River Tributary 020301040103 South Branch No No Yes No Yes No Representative Route TRENCH NJ Middlesex South Branch Rahway River Tributary 020301040103 South Branch No No Yes No Yes No Representative Route EMBANKMENT NJ Middlesex South Branch Rahway River Tributary 020301040103 South Branch No No No No Yes No Representative Route EMBANKMENT NJ Union Orchard Creek 020301040103 South Branch No No Yes No Yes No Representative Route EMBANKMENT NJ Union Rahway River 020301040104 Lower Rahway River No 303(d) No Yes No Yes Yes Representative Route AERIAL NJ Union Morses Creek 020301040204 Morses Creek-Arthur Kill No No Yes No Yes No Representative Route EMBANKMENT NJ Union Peach Orchard Brook 020301040204 Morses Creek-Arthur Kill No No Yes No Yes No Representative Route COMMON GRADE NJ Union Elizabeth River 020301040202 Elizabeth River No No Yes No Yes Yes Representative Route AERIAL NJ Essex / Hudson Passaic River 020301030805 Second River-Passaic River Yes 303(d) No No Yes Yes Yes Representative Route TUNNEL NJ Essex / Hudson Passaic River 020301030805 Second River-Passaic River Yes 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE NJ Hudson Passaic River Tributary 020301030805 Second River-Passaic River No No No Yes Yes Yes Representative Route COMMON GRADE NJ Hudson Hackensack River 020301030906 Lower Hackensack River Yes 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE NJ Hudson Hackensack River Tributary 020301030906 Lower Hackensack River No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE NJ Hudson Penhorn Creek 020301030906 Lower Hackensack River No No No Yes Yes Yes Representative Route COMMON GRADE NJ Hudson Penhorn Creek Tributary 020301030906 Lower Hackensack River No No No Yes Yes No Representative Route COMMON GRADE NJ Hudson Penhorn Creek 020301030906 Lower Hackensack River No No No Yes Yes Yes Representative Route COMMON GRADE NJ Hudson Penhorn Creek Tributary 020301030906 Lower Hackensack River No No No Yes Yes No Representative Route AERIAL NJ Hudson Penhorn Creek Tributary 020301030906 Lower Hackensack River No No No Yes Yes No Representative Route EMBANKMENT NJ Hudson Penhorn Creek 020301030906 Lower Hackensack River No No No Yes Yes Yes Representative Route EMBANKMENT NJ Hudson Penhorn Creek Tributary 020301030906 Lower Hackensack River No No No Yes Yes No Representative Route EMBANKMENT NJ Hudson Penhorn Creek Tributary 020301030906 Lower Hackensack River No No No Yes Yes No Representative Route EMBANKMENT NJ Hudson Penhorn Creek Tributary 020301030906 Lower Hackensack River No No No Yes Yes No Representative Route TUNNEL NJ / NY Hudson / Manhattan Hudson River 020301010405 East River-Hudson River Yes 303(d) No No Yes Yes Yes Representative Route TUNNEL NJ / NY Hudson / Manhattan Hudson River 020301010405 East River-Hudson River Yes 303(d) No No Yes Yes Yes Representative Route TUNNEL NY Manhattan / Queens / Kings East River 020301010405 East River-Hudson River Yes 303(d) No No Yes Yes Yes Representative Route TUNNEL NY Manhattan / Queens / Kings East River 020301010405 East River-Hudson River Yes 303(d) No No Yes Yes Yes Representative Route TUNNEL NY Kings / Queens Newtown Creek 020301010405 East River-Hudson River Yes No No Yes Yes Yes Representative Route TUNNEL NY Kings / Queens Newtown Creek 020301010405 East River-Hudson River Yes No No Yes Yes Yes Representative Route TUNNEL NY Manhattan / Queens / Kings East River 020301010405 East River-Hudson River Yes 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE NY Manhattan / Bronx East River Tributary 020301010405 East River-Hudson River No No No Yes Yes Yes Representative Route AERIAL NY Bronx Bronx River 020301020103 Lower Bronx River No 303(d) No No Yes Yes Yes Representative Route EMBANKMENT NY Bronx Bronx River 020301020103 Lower Bronx River No 303(d) No No Yes Yes Yes Representative Route AERIAL NY Bronx Eastchester Bay 020301020201 Hutchinson River-Eastchester Bay No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE NY Westchester Beechmont Lake Culvert 020301020203 East Creek-Mamaroneck Harbor No No No No No No Representative Route COMMON GRADE NY Westchester Mamaroneck River 020301020202 Sheldrake River-Mamaroneck River No 303(d) No Yes No Yes Yes Representative Route AERIAL NY Westchester Beaver Swamp Brook 020301020202 Sheldrake River-Mamaroneck River No No Yes No Yes No Representative Route COMMON GRADE NY Westchester Blind Brook 011000060405 Blind Brook-Horseneck Brook No 303(d) No No No Yes No Representative Route COMMON GRADE NY / CT Westchester / Fairfield Byram River 011000060403 Byram River No No No Yes Yes Yes Representative Route MAJOR BRIDGE CT Fairfield Horseneck Brook 011000060405 Blind Brook-Horseneck Brook No 303(d)-Category A SW No No No Yes Yes Representative Route AERIAL CT Fairfield Horseneck Brook 011000060405 Blind Brook-Horseneck Brook No 303(d)-Category A SW No No No Yes Yes Representative Route AERIAL CT Fairfield Horseneck Brook 011000060405 Blind Brook-Horseneck Brook No 303(d)-Category A SW No No No Yes Yes Representative Route AERIAL CT Fairfield Greenwich Creek 011000060405 Blind Brook-Horseneck Brook No 303(d)-Category A SW No Yes No Yes Yes Representative Route AERIAL CT Fairfield Greenwich Creek 011000060405 Blind Brook-Horseneck Brook No 303(d)-Category A SW No Yes No Yes Yes Representative Route COMMON GRADE CT Fairfield Cos Cob Harbor 011000060402 Mianus River No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT Fairfield Cos Cob Harbor 011000060402 Mianus River No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT Fairfield Tributary to Greenwich Cove 011000060405 Blind Brook-Horseneck Brook No 303(d) No Yes Yes Yes Yes Representative Route COMMON GRADE CT Fairfield Rippowam River 011000060401 Rippowam River No 303(d) No Yes Yes Yes Yes Representative Route AERIAL CT Fairfield Noroton River 011000060404 Fivemile River No 303(d)-Category A SW No No No Yes Yes Representative Route COMMON GRADE CT Fairfield Noroton River 011000060404 Fivemile River No 303(d) No Yes Yes Yes Yes Representative Route AERIAL CT Fairfield Stony Brook 011000060404 Fivemile River No Category A SW No No No Yes Yes Representative Route AERIAL CT Fairfield Stony Brook 011000060404 Fivemile River No Category A SW No No No Yes Yes Representative Route COMMON GRADE CT Fairfield Goodwives River 011000060404 Fivemile River No Category A SW No Yes No Yes Yes Representative Route AERIAL CT Fairfield Goodwives River 011000060404 Fivemile River No Category A SW No No No Yes Yes Representative Route COMMON GRADE CT Fairfield Fivemile River 011000060404 Fivemile River No Category A SW No Yes No Yes Yes Representative Route AERIAL

Tier 1 Final EIS Volume 1 16 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Waterbody Analysis

Preferred Alterantive Wild and Freshwater Saltwater State County Waterbody Name HUC 12 HUC 12 Name Navigable Special WQ Designation SFHA CZMA Swath Construction Type Scenic River Wetlands Wetlands CT Fairfield Streets Pond 011000060404 Fivemile River No Category A SW No Yes No Yes Yes Representative Route COMMON GRADE CT Fairfield Fivemile River 011000060404 Fivemile River No Category A SW No Yes No Yes Yes Representative Route COMMON GRADE CT Fairfield Chalmers Pond 011000060404 Fivemile River No Category A SW No Yes No Yes Yes Representative Route COMMON GRADE CT Fairfield Norwalk River 011000060202 Norwalk River-Frontal Norwalk Harbor No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT Fairfield Norwalk River 011000060202 Norwalk River-Frontal Norwalk Harbor No 303(d) No No Yes Yes Yes Representative Route TRENCH CT Fairfield Indian River 011000060103 Outlet Saugatuck River-Frontal Long Island Sound No Category A SW No Yes Yes Yes Yes Representative Route EMBANKMENT CT Fairfield Indian River 011000060103 Outlet Saugatuck River-Frontal Long Island Sound No Category A SW No Yes Yes Yes Yes Representative Route TRENCH CT Fairfield Saugatuck River 011000060103 Outlet Saugatuck River-Frontal Long Island Sound No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT Fairfield Saugatuck River 011000060103 Outlet Saugatuck River-Frontal Long Island Sound No 303(d) No No Yes Yes Yes Representative Route AERIAL CT Fairfield Sherwood Millpond 011000060303 Rooster River-Frontal Long Island Sound No 303(d) No No Yes Yes Yes Representative Route COMMON GRADE CT Fairfield Muddy Brook 011000060303 Rooster River-Frontal Long Island Sound No 303(d) No Yes Yes Yes Yes Representative Route COMMON GRADE CT Fairfield Sasco Brook 011000060303 Rooster River-Frontal Long Island Sound No 303(d) No No Yes Yes Yes Representative Route EMBANKMENT CT Fairfield Mill River 011000060302 Mill River-Frontal Long Island Sound No 303(d) No Yes No Yes Yes Representative Route AERIAL CT Fairfield Rooster River 011000060303 Rooster River-Frontal Long Island Sound No 303(d) No Yes Yes Yes Yes Representative Route COMMON GRADE CT Fairfield Pequonnock River 011000060301 Pequonnock River-Frontal Long Island Sound Yes 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT Fairfield Bruce Pond 011000060303 Rooster River-Frontal Long Island Sound No 303(d) No Yes No Yes Yes Representative Route COMMON GRADE CT Fairfield Bruce Brook 011000060303 Rooster River-Frontal Long Island Sound No 303(d) No Yes No Yes Yes Representative Route COMMON GRADE CT Fairfield Housatonic River 011000051302 Housatonic River-Frontal Long Island Sound No Category A SW No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New Haven Milford Reservoir 011000051302 Housatonic River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Representative Route COMMON GRADE CT New Haven Wepawaug River 011000040303 Milford Harbor-Frontal Long Island Sound No 303(d)-Category A SW No No Yes Yes Yes Representative Route AERIAL CT New Haven Oyster River 011000040304 Cove River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Representative Route EMBANKMENT CT New Haven Cove River 011000040304 Cove River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Representative Route EMBANKMENT CT New Haven West River 011000040302 West River Yes 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New Haven Mill River 011000040301 Mill River Yes 303(d) No Yes Yes Yes Yes Representative Route MAJOR BRIDGE CT New Haven Quinnipiac River 011000040105 Outlet Quinnipiac River Yes 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New Haven Little River 011000040105 Outlet Quinnipiac River No No No Yes Yes Yes Representative Route AERIAL CT New Haven Hemingway Creek 011000040105 Outlet Quinnipiac River No 303(d)-Category A SW No Yes Yes Yes Yes Representative Route EMBANKMENT CT New Haven Pollywog Pond 011000040208 Indian River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Representative Route COMMON GRADE CT New Haven Pollywog Pond 011000040208 Indian River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Representative Route COMMON GRADE CT New Haven Tributary to Farm River 011000040206 Farm River No 303(d) No Yes No Yes Yes Representative Route COMMON GRADE CT New Haven Farm River 011000040206 Farm River No 303(d)-Category A SW No Yes No Yes Yes Representative Route COMMON GRADE CT New Haven Beaver Swamp Brook 011000040206 Farm River No Category A SW No Yes No Yes Yes Representative Route COMMON GRADE CT New Haven Branford Harbor 011000040205 Branford River No 303(d) No No Yes Yes Yes Representative Route AERIAL CT New Haven Unnamed Stream 1 to Long Island Sound 011000040208 Indian River-Frontal Long Island Sound No 303(d)-Category A SW No No Yes Yes Yes Representative Route AERIAL CT New Haven Unnamed Stream 2 to Long Island Sound 011000040208 Indian River-Frontal Long Island Sound No 303(d)-Category A SW No No Yes Yes Yes Representative Route AERIAL CT New Haven Emery Pond 011000040208 Indian River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Representative Route EMBANKMENT CT New Haven Hoadley Creek 011000040208 Indian River-Frontal Long Island Sound No Category A SW No Yes Yes Yes Yes Representative Route EMBANKMENT CT New Haven Unnamed Stream 3 to Long Island Sound 011000040208 Indian River-Frontal Long Island Sound No Category A SW No No Yes Yes Yes Representative Route EMBANKMENT CT New Haven The Cove 011000040208 Indian River-Frontal Long Island Sound No Category A SW No No Yes Yes Yes Representative Route EMBANKMENT CT New Haven West River 011000040204 West River-Frontal Guilford Harbor No 303(d) No No Yes Yes Yes Representative Route AERIAL CT New Haven Sluice Creek 011000040203 East River-Frontal Guilford Harbor No Category A SW No Yes Yes Yes Yes Representative Route COMMON GRADE CT New Haven East River 011000040203 East River-Frontal Guilford Harbor No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New Haven East River 020302030000 Long Island Sound Deep No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New Haven Bailey Creek 011000040203 East River-Frontal Guilford Harbor No Category A SW No No Yes Yes Yes Representative Route EMBANKMENT CT New Haven Neck River 011000040203 East River-Frontal Guilford Harbor No 303(d)-Category A SW No Yes No Yes Yes Representative Route COMMON GRADE CT New Haven Hummers Pond 011000040208 Indian River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Representative Route EMBANKMENT CT New Haven Fence Creek 011000040208 Indian River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Representative Route EMBANKMENT CT New Haven / Middlesex Hammonasset River 011000040202 Hammonasset River-Frontal Clinton Harbor No 303(d) No Yes Yes Yes Yes Representative Route AERIAL CT New Haven / Middlesex Hammonasset River 011000040202 Hammonasset River-Frontal Clinton Harbor No 303(d) No Yes Yes Yes Yes Representative Route EMBANKMENT CT Middlesex Indian River 011000040208 Indian River-Frontal Long Island Sound No 303(d)-Category A SW No No Yes Yes Yes Representative Route AERIAL CT Middlesex Hammock River 011000040208 Indian River-Frontal Long Island Sound No Category A SW No Yes Yes Yes Yes Representative Route EMBANKMENT CT Middlesex Menunketesuck River 011000040201 Menunketesuck River No 303(d) No No Yes Yes Yes Representative Route EMBANKMENT CT Middlesex Patchogue River 011000040207 Patchogue River-Frontal Westbrook Harbor No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT Middlesex Cold Spring Brook 011000040207 Patchogue River-Frontal Westbrook Harbor No Category A SW No Yes No Yes Yes Representative Route COMMON GRADE CT Middlesex Oyster River 011000040207 Patchogue River-Frontal Westbrook Harbor No 303(d) No No Yes Yes Yes Representative Route COMMON GRADE CT Middlesex Ragged Rock Creek 010802050905 Joshua Creek-Connecticut River No 303(d) No No Yes Yes Yes Representative Route EMBANKMENT CT Middlesex / New London Connecticut River 010802050905 Joshua Creek-Connecticut River Yes 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT Middlesex / New London Connecticut River 010802050905 Joshua Creek-Connecticut River Yes 303(d) No No Yes Yes Yes Representative Route TUNNEL CT New London Lieutenant River 010802050905 Joshua Creek-Connecticut River No 303(d) No No Yes Yes Yes Representative Route EMBANKMENT CT New London Lieutenant River 010802050905 Joshua Creek-Connecticut River No 303(d) No No Yes Yes Yes Representative Route TUNNEL CT New London Duck River 010802050905 Joshua Creek-Connecticut River No 303(d) No No Yes Yes Yes Representative Route EMBANKMENT CT New London Tributary to Connecticut River 010802050905 Joshua Creek-Connecticut River No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New London Sawmill Brook 010802050905 Joshua Creek-Connecticut River No Category A SW No Yes No No Yes Representative Route TUNNEL CT New London Mile Creek 011000030306 Pattagansett River-Frontal Long Island Sound No Category A SW No Yes Yes Yes Yes Representative Route EMBANKMENT CT New London Swan Brook 011000030306 Pattagansett River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Representative Route EMBANKMENT CT New London Armstrong Brook 011000030306 Pattagansett River-Frontal Long Island Sound No Category A SW No Yes No No Yes Representative Route EMBANKMENT CT New London Threemile River 011000030306 Pattagansett River-Frontal Long Island Sound No Category A SW No Yes Yes Yes Yes Representative Route EMBANKMENT CT New London Threemile River 011000030306 Pattagansett River-Frontal Long Island Sound No Category A SW No Yes No No Yes Representative Route TRENCH CT New London Fourmile River 011000030306 Pattagansett River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Representative Route TUNNEL CT New London Fourmile River 011000030306 Pattagansett River-Frontal Long Island Sound No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE

Tier 1 Final EIS Volume 1 17 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Waterbody Analysis

Preferred Alterantive Wild and Freshwater Saltwater State County Waterbody Name HUC 12 HUC 12 Name Navigable Special WQ Designation SFHA CZMA Swath Construction Type Scenic River Wetlands Wetlands CT New London Bride Brook 011000030306 Pattagansett River-Frontal Long Island Sound No 303(d)-Category A SW No No Yes Yes Yes Representative Route EMBANKMENT CT New London Pattagansett River 011000030306 Pattagansett River-Frontal Long Island Sound No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New London Bride Brook 011000030306 Pattagansett River-Frontal Long Island Sound No 303(d)-Category A SW No Yes No Yes Yes Representative Route TRENCH CT New London Beaver Dam Brook 011000030306 Pattagansett River-Frontal Long Island Sound No No No No No Yes Representative Route TUNNEL CT New London Pattagansett River 011000030306 Pattagansett River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Representative Route TRENCH CT New London Latimer Brook 011000030304 Niantic River No 303(d)-Category A SW No Yes No Yes Yes Representative Route TUNNEL CT New London Niantic River 011000030304 Niantic River No Category A SW No Yes No No Yes Representative Route EMBANKMENT CT New London Willys Meadow Brook 011000030304 Niantic River No Category A SW No Yes No Yes Yes Representative Route TUNNEL CT New London Oil Mill Brook 011000030304 Niantic River No Category A SW No Yes No Yes Yes Representative Route TUNNEL CT New London Niantic River 011000030304 Niantic River Yes 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New London Jordan Cove 011000030305 Fenger Brook-Frontal Lond Island Sound No 303(d) No No Yes Yes Yes Representative Route AERIAL CT New London Stony Brook 011000030304 Niantic River No Category A SW No Yes No No Yes Representative Route TUNNEL CT New London Jordan Brook 011000030305 Fenger Brook-Frontal Lond Island Sound No No Yes No Yes Yes Representative Route EMBANKMENT CT New London Nevins Brook 011000030305 Fenger Brook-Frontal Lond Island Sound No Category A SW No Yes No Yes Yes Representative Route TRENCH CT New London Fenger Brook 011000030305 Fenger Brook-Frontal Lond Island Sound No 303(d)-Category A SW No Yes No Yes Yes Representative Route COMMON GRADE CT New London Briggs Brook 011000030203 Thames River-Frontal New London Harbor No 303(d)-Category A-SW No No Yes No Yes Representative Route COMMON GRADE CT New London Perry Pond 011000030203 Thames River-Frontal New London Harbor No 303(d)-Category A SW No Yes No No Yes Representative Route TUNNEL CT New London Briggs Brook 011000030203 Thames River-Frontal New London Harbor No 303(d)-Category A-SW No No Yes No Yes Representative Route TUNNEL CT New London Thames River 011000030203 Thames River-Frontal New London Harbor Yes 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New London Thames River 011000030203 Thames River-Frontal New London Harbor Yes 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New London Poquonock River 011000030302 Poquonock River-Frontal Fishers Island Sound No No Yes No No Yes Representative Route AERIAL CT New London Poquonock River 011000030302 Poquonock River-Frontal Fishers Island Sound No 303(d) No No Yes Yes Yes Representative Route AERIAL CT New London Fort Hill Brook 011000030303 Stony Brook-Frontal Fishers Island Sound No Category A SW No Yes No Yes Yes Representative Route EMBANKMENT CT New London Fort Hill Brook 011000030303 Stony Brook-Frontal Fishers Island Sound No Category A SW No Yes No Yes Yes Representative Route EMBANKMENT CT New London Palmer Cove 011000030303 Stony Brook-Frontal Fishers Island Sound No 303(d) No No Yes Yes Yes Representative Route EMBANKMENT CT New London Palmer Cove 011000030303 Stony Brook-Frontal Fishers Island Sound No 303(d) No No Yes Yes Yes Representative Route AERIAL CT New London Beebe Cove 011000030303 Stony Brook-Frontal Fishers Island Sound No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New London Beebe Cove 011000030303 Stony Brook-Frontal Fishers Island Sound No 303(d) No No Yes Yes Yes Representative Route EMBANKMENT CT New London Beebe Cove 011000030303 Stony Brook-Frontal Fishers Island Sound No 303(d) No No Yes Yes Yes Representative Route EMBANKMENT CT New London Eccleston Brook 011000030303 Stony Brook-Frontal Fishers Island Sound No Category A SW No No No No Yes Representative Route EMBANKMENT CT New London Fishtown Brook 011000030301 Mystic River-Frontal Fishers Island Sound No 303(d) No Yes No No Yes Representative Route EMBANKMENT CT New London Mystic River 011000030301 Mystic River-Frontal Fishers Island Sound Yes Category A SW No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New London Bindloss Brook 011000030301 Mystic River-Frontal Fishers Island Sound No Category A SW No Yes No No Yes Representative Route EMBANKMENT CT New London Mystic River 011000030301 Mystic River-Frontal Fishers Island Sound No Category A SW No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New London Pequotsepos Brook 011000030303 Stony Brook-Frontal Fishers Island Sound No Category A SW No No Yes Yes Yes Representative Route COMMON GRADE CT New London Unnamed Stream 4 to Long Island Sound 011000030303 Stony Brook-Frontal Fishers Island Sound No 303(d)-Category A SW No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New London Quiambog Cove 011000030303 Stony Brook-Frontal Fishers Island Sound No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New London Copps Brook 011000030303 Stony Brook-Frontal Fishers Island Sound No 303(d) No Yes No Yes Yes Representative Route MAJOR BRIDGE CT New London Stony Brook 011000030303 Stony Brook-Frontal Fishers Island Sound No Category A SW No Yes No Yes Yes Representative Route EMBANKMENT CT New London Stonington Harbor 011000030303 Stony Brook-Frontal Fishers Island Sound Yes 303(d) No No Yes Yes Yes Representative Route COMMON GRADE CT New London Wequetequock Cove 011000030303 Stony Brook-Frontal Fishers Island Sound No 303(d)-Category A SW No No Yes Yes Yes Representative Route MAJOR BRIDGE CT New London Anguilla Brook 011000030303 Stony Brook-Frontal Fishers Island Sound No Category A SW No Yes No Yes Yes Representative Route TUNNEL CT / RI New London / Washington Pawcatuck River 010900050303 Lower Pawcatuck River Yes 303(d) No Yes Yes Yes Yes Representative Route AERIAL CT / RI New London / Washington Pawcatuck River 010900050303 Lower Pawcatuck River Yes 303(d) No Yes No Yes Yes Representative Route TRENCH RI Washington Pawcatuck River 010900050205 Tomaquag Brook-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Representative Route AERIAL RI Washington Pawcatuck River 010900050205 Tomaquag Brook-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Representative Route AERIAL RI Washington McGowan Brook 010900050205 Tomaquag Brook-Pawcatuck River No SRPW No Yes No Yes No Representative Route EMBANKMENT RI Washington Pawcatuck River 010900050205 Tomaquag Brook-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Representative Route AERIAL RI Washington Pawcatuck River 010900050205 Tomaquag Brook-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Representative Route AERIAL RI Washington Pawcatuck River 010900050205 Tomaquag Brook-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Representative Route AERIAL RI Washington Cedar Swamp Brook 010900050205 Tomaquag Brook-Pawcatuck River No No Yes No Yes No Representative Route EMBANKMENT RI Washington Indian Cedar Swamp 010900050205 Tomaquag Brook-Pawcatuck River No No Yes No Yes No Representative Route EMBANKMENT RI Washington Meadow Brook 010900050205 Tomaquag Brook-Pawcatuck River No 303(d)-SRPW No Yes No Yes No Representative Route COMMON GRADE RI Washington Pawcatuck River 010900050205 Tomaquag Brook-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Representative Route AERIAL RI Washington Pawcatuck River 010900050204 Usquepaug River-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Representative Route AERIAL RI Washington Pawcatuck River 010900050204 Usquepaug River-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Representative Route AERIAL RI Washington Pawcatuck River 010900050204 Usquepaug River-Pawcatuck River No 303(d)-SRPW, SAMP No Yes No Yes No Representative Route AERIAL RI Washington Usquepaug River 010900050204 Usquepaug River-Pawcatuck River No No Yes No Yes No Representative Route AERIAL RI Washington Usquepaug River 010900050202 Usquepaug River No No Yes No Yes No Representative Route AERIAL RI Washington Chickasheen Brook 010900050204 Usquepaug River-Pawcatuck River No No Yes No Yes No Representative Route EMBANKMENT RI Washington Chickasheen Brook 010900050204 Usquepaug River-Pawcatuck River No No Yes No Yes No Representative Route EMBANKMENT RI Washington Chipuxet River 010900050201 Chipuxet River-Pawcatuck River No No Yes No Yes No Representative Route COMMON GRADE RI Washington Yawgoo Mill Pond 010900050201 Chipuxet River-Pawcatuck River No 303(d) No Yes No No No Representative Route EMBANKMENT RI Washington Annaquatucket River 010900040908 Lower West Passage No 303(d) No Yes No Yes No Representative Route EMBANKMENT RI Washington / Kent Hunt River 010900040904 Hunt River No SRPW No Yes No Yes No Representative Route AERIAL RI Kent Maskerchugg River 010900040903 Greenwich Bay No 303(d) No No Yes Yes Yes Representative Route AERIAL RI Kent Apponaug Cove 010900040903 Greenwich Bay No 303(d) No No Yes Yes Yes Representative Route MAJOR BRIDGE RI Kent / Providence Pawtuxet River 010900040609 Pawtuxet River No 303(d) No Yes No Yes No Representative Route AERIAL RI Providence Woonasquatucket River 010900040502 Woonasquatucket River No 303(d) No Yes No Yes Yes Representative Route MAJOR BRIDGE RI Providence West River 010900040501 Moshassuck River No 303(d) No No No Yes No Representative Route COMMON GRADE

Tier 1 Final EIS Volume 1 18 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Waterbody Analysis

Preferred Alterantive Wild and Freshwater Saltwater State County Waterbody Name HUC 12 HUC 12 Name Navigable Special WQ Designation SFHA CZMA Swath Construction Type Scenic River Wetlands Wetlands RI Providence Moshassuck River 010900040501 Moshassuck River No 303(d) No Yes No Yes No Representative Route COMMON GRADE RI Providence Seekonk River 010900030208 Peters River-Blackstone River No 303(d) No Yes No Yes No Representative Route MAJOR BRIDGE MA Bristol Sevenmile River 010900040401 Ten Mile River No 303(d) No Yes No Yes No Representative Route EMBANKMENT MA Bristol Ten Mile River 010900040401 Ten Mile River No 303(d) No Yes No Yes No Representative Route EMBANKMENT MA Bristol East Junction Stream 010900040401 Ten Mile River No No Yes No Yes No Representative Route COMMON GRADE MA Bristol Ten Mile River 010900040401 Ten Mile River No 303(d) No Yes No Yes No Representative Route EMBANKMENT MA Bristol Ten Mile River 010900040401 Ten Mile River No 303(d) No Yes No Yes No Representative Route EMBANKMENT MA Bristol Wading River 010900040301 Wading River No 303(d) No Yes No Yes No Representative Route EMBANKMENT MA Bristol Hodges Brook 010900040301 Wading River No No Yes No Yes No Representative Route EMBANKMENT MA Bristol Rumford River 010900040302 Threemile River No 303(d) No Yes No Yes No Representative Route COMMON GRADE MA Norfolk Beaver Brook 010900010802 East Branch Neponset River No Class B No Yes No Yes No Representative Route COMMON GRADE MA Norfolk Beaver Brook 010900010802 East Branch Neponset River No Class B No Yes No Yes No Representative Route COMMON GRADE MA Norfolk Beaver Brook 010900010802 East Branch Neponset River No Class B No Yes No Yes No Representative Route COMMON GRADE MA Norfolk Beaver Brook 010900010802 East Branch Neponset River No Class B No Yes No Yes No Representative Route COMMON GRADE MA Norfolk Beaver Brook 010900010802 East Branch Neponset River No Class B No Yes No Yes No Representative Route COMMON GRADE MA Norfolk Sawmill Pond 010900010802 East Branch Neponset River No 303(d)-Class B SW No Yes No Yes No Representative Route COMMON GRADE MA Norfolk East Branch Neponset River 010900010802 East Branch Neponset River No 303(d) No Yes No No No Representative Route MAJOR BRIDGE MA Norfolk Neponset River 010900010803 Outlet Neponset River-Frontal Boston Harbor No 303(d) No Yes No Yes No Representative Route COMMON GRADE MA Norfolk Pecunit Brook 010900010803 Outlet Neponset River-Frontal Boston Harbor No No Yes No No No Representative Route EMBANKMENT MA Norfolk Neponset River 010900010803 Outlet Neponset River-Frontal Boston Harbor No 303(d) No Yes No Yes No Representative Route COMMON GRADE MA Suffolk Mother Brook 010900010803 Outlet Neponset River-Frontal Boston Harbor No 303(d) No Yes No Yes No Representative Route COMMON GRADE MA Boston Fort Point Channel 010900010704 Charles River-Frontal Boston Harbor Yes 303(d)-Class B SW No No Yes Yes Yes Representative Route COMMON GRADE CT New Haven Quinnipiac River 011000040105 Outlet Quinnipiac River Yes No Yes No Yes Yes Representative Route AERIAL CT New Haven Allen Brook 011000040105 Outlet Quinnipiac River No 303(d) No Yes No Yes Yes Representative Route COMMON GRADE CT New Haven Meetinghouse Brook 011000040105 Outlet Quinnipiac River No 303(d) No Yes No Yes No Representative Route COMMON GRADE CT New Haven Harbor Brook 011000040103 Headwaters Quinnipiac River No 303(d) No No No Yes No Representative Route COMMON GRADE CT New Haven Beaver Pond 010802050601 Upper Mattabesset River No Category A SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Silver Lake 010802050601 Upper Mattabesset River No Category A SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Silver Lake 010802050601 Upper Mattabesset River No Category A SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Belcher Brook 010802050601 Upper Mattabesset River No Category A SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Crooked Brook 010802050601 Upper Mattabesset River No Category A SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Hatchery Brook 010802050601 Upper Mattabesset River No Category A SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Mattabesset River 010802050601 Upper Mattabesset River No 303(d) No Yes No Yes No Representative Route COMMON GRADE CT Hartford Willow Brook 010802050601 Upper Mattabesset River No Category A SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Webster Brook 010802050603 Lower Mattabesset River No 303(d) No Yes No Yes No Representative Route COMMON GRADE CT Hartford Webster Brook 010802050603 Lower Mattabesset River No 303(d) No Yes No Yes No Representative Route COMMON GRADE CT Hartford Webster Brook 010802050603 Lower Mattabesset River No 303(d) No Yes No Yes No Representative Route COMMON GRADE CT Hartford Webster Brook 010802050603 Lower Mattabesset River No 303(d) No Yes No Yes No Representative Route COMMON GRADE CT Hartford Webster Brook 010802050603 Lower Mattabesset River No 303(d) No Yes No Yes No Representative Route COMMON GRADE CT Hartford Webster Brook 010802050603 Lower Mattabesset River No 303(d) No Yes No Yes No Representative Route COMMON GRADE CT Hartford Piper Brook 010802050303 Piper Brook-Park River No 303(d)-Category A SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Piper Brook 010802050303 Piper Brook-Park River No 303(d)-Category A SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Trout Brook 010802050301 Trout Brook No 303(d) No Yes No Yes No Representative Route AERIAL CT Hartford North Branch Park River 010802050302 North Branch Park River No 303(d) No No No No No Representative Route COMMON GRADE CT Hartford Meadow Brook 010802050502 Stoughton Brook-Connecticut River No Class A - SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Deckers Brook 010802050502 Stoughton Brook-Connecticut River No Class A - SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Mill Brook 010802070602 Mill Brook-Farmington River No 303(d) - Class A SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Farmington River 010802070602 Mill Brook-Farmington River No Class B No Yes No Yes No Representative Route AERIAL CT Hartford Waterworks Brook 010802050105 Freshwater Brook-Connecticut River No Class A - SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Dibble Hollow Brook 010802050105 Freshwater Brook-Connecticut River No Class A - SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Kettle Brook 010802050105 Freshwater Brook-Connecticut River No Class A - SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Cannon Pond 010802050105 Freshwater Brook-Connecticut River No Class A No Yes No No No Representative Route COMMON GRADE CT Hartford Connecticut River 010802050105 Freshwater Brook-Connecticut River Yes 303(d) - Class B No Yes No Yes No Representative Route MAJOR BRIDGE CT Hartford Beemans Brook 010802050105 Freshwater Brook-Connecticut River No Class A - SW No Yes No Yes No Representative Route COMMON GRADE CT Hartford Freshwater Brook 010802050105 Freshwater Brook-Connecticut River No Class A - SW No No No Yes No Representative Route COMMON GRADE CT Hartford Waterworks Brook 010802050102 Pecousic Brook-Connecticut River No Class A - SW No Yes No Yes No Representative Route COMMON GRADE MA Hampden Raspberry Brook 010802050102 Pecousic Brook-Connecticut River No Class B No Yes No Yes No Representative Route COMMON GRADE MA Hampden Longmeadow Brook 010802050102 Pecousic Brook-Connecticut River No Class B No Yes No Yes No Representative Route COMMON GRADE MA Hampden Wheel Meadow Brook 010802050102 Pecousic Brook-Connecticut River No Class B No Yes No No No Representative Route COMMON GRADE MA Hampden Cooley Brook 010802050102 Pecousic Brook-Connecticut River No Class B No Yes No No No Representative Route COMMON GRADE MA Hampden Pecousic Brook 010802050102 Pecousic Brook-Connecticut River No Class B No No No No No Representative Route COMMON GRADE MA Hampden Mill River 010802050101 Mill River No Class B No No No No No Representative Route COMMON GRADE MD Prince George's Beaverdam Creek 020700100204 Lower Anacostia River No No Yes No Yes No Station MD Anne Arundel Stony Run 020600031102 Deep Run-Patapsco River No No Yes No Yes No Station MD Anne Arundel Stony Run 020600031102 Deep Run-Patapsco River No No Yes No Yes No Station MD Baltimore County East Branch Herbert Run 020600031103 Herbert Run-Patapsco River No No Yes No Yes No Station PA Delaware Chester Creek 020402020605 Chester Creek No Category 5 No No No Yes Yes Station PA Delaware Little Crum Creek 020402020601 Crum Creek No Category 5 No Yes No Yes Yes Station PA Delaware Ridley Park Lake 020402020601 Crum Creek No HQ No Yes No No No Station PA Delaware Hermesprota Creek 020402020505 Darby Creek No Category 5 No No No Yes No Station

Tier 1 Final EIS Volume 1 19 NEC FUTURE Appendix EE.05 - Hydrologic/Water Resources: Waterbody Analysis

Preferred Alterantive Wild and Freshwater Saltwater State County Waterbody Name HUC 12 HUC 12 Name Navigable Special WQ Designation SFHA CZMA Swath Construction Type Scenic River Wetlands Wetlands PA Philadelphia / Bucks Poquessing Creek 020402020301 Poquessing Creek No Category 5 No Yes No Yes Yes Station NJ Mercer Assunpink Creek 020401050803 Lower Assunpink Creek No 303(d) No Yes No Yes No Station NJ Middlesex Lawrence Brook Tributary 020301050505 Lawrence Brook No 303(d) No Yes No No No Station NJ Middlesex Mile Run 020301050506 Mile Run-Raritan River No No No No Yes No Station NJ Middlesex South Branch Rahway River Tributary 020301040103 South Branch No No Yes No Yes No Station NJ Union Morses Creek 020301040204 Morses Creek-Arthur Kill No No Yes No Yes No Station NY Westchester Sheldrake River 020301020202 Sheldrake River-Mamaroneck River No 303(d)-Category A No Yes No Yes Yes Station NY Westchester Mamaroneck River 020301020202 Sheldrake River-Mamaroneck River No 303(d) No Yes No Yes Yes Station NY Westchester Blind Brook 011000060405 Blind Brook-Horseneck Brook No 303(d) No No No Yes No Station CT Fairfield Horseneck Brook 011000060405 Blind Brook-Horseneck Brook No 303(d)-Category A SW No No No Yes Yes Station CT Fairfield Chasmars Pond 011000060404 Fivemile River No Category A SW No Yes No Yes Yes Station CT Fairfield Chalmers Pond 011000060404 Fivemile River No Category A SW No Yes No Yes Yes Station CT Fairfield Fivemile River 011000060404 Fivemile River No Category A SW No Yes No Yes Yes Station CT Fairfield Pequonnock River 011000060301 Pequonnock River-Frontal Long Island Sound Yes 303(d) No No Yes Yes Yes Station CT New Haven Cove River 011000040304 Cove River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Station CT New Haven Upper Lake Phipps 011000040304 Cove River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Station CT New Haven Cove River 011000040304 Cove River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Station CT New Haven Upper Lake Phipps 011000040304 Cove River-Frontal Long Island Sound No Category A SW No Yes No Yes Yes Station CT New Haven Sluice Creek 011000040203 East River-Frontal Guilford Harbor No Category A SW No Yes Yes Yes Yes Station CT Middlesex Patchogue River 011000040207 Patchogue River-Frontal Westbrook Harbor No 303(d) No No Yes Yes Yes Station CT New London Fort Hill Brook 011000030303 Stony Brook-Frontal Fishers Island Sound No Category A SW No Yes No Yes Yes Station CT New London Pequotsepos Brook 011000030303 Stony Brook-Frontal Fishers Island Sound No Category A SW No No Yes Yes Yes Station CT / RI New London / Washington Pawcatuck River 010900050303 Lower Pawcatuck River Yes 303(d) No Yes Yes Yes Yes Station CT / RI New London / Washington Pawcatuck River 010900050303 Lower Pawcatuck River Yes 303(d) No Yes Yes Yes Yes Station RI Providence Moshassuck River 010900040501 Moshassuck River No 303(d) No No Yes Yes Yes Station MA Norfolk Neponset River 010900010803 Outlet Neponset River-Frontal Boston Harbor No 303(d) No Yes No Yes No Station MA Boston Fort Point Channel 010900010704 Charles River-Frontal Boston Harbor Yes 303(d)-Class B SW No No Yes Yes Yes Station CT New Haven Harbor Brook 011000040103 Headwaters Quinnipiac River No 303(d) No No No Yes No Station CT Hartford Freshwater Brook 010802050105 Freshwater Brook-Connecticut River No Class A - SW No No No Yes No Station

Tier 1 Final EIS Volume 1 20