Nontidal Network: All Stations

NY

6

9 7 Nontidal Network (NTN) Stations 10 8 NTN with Load and Trend 11 82 NTN with Load 83 12 15 New NTN with 14 92 Monitoring Only 16 17 13 PA 94 93 19 95 96 20 23 Susquehanna 18 97 21 100 Eastern Shore 22 98 25 101 24 42 26 27 Western Shore 108 43 99 84 37 86 41 45 55 102 85 30 28 Potomac 36 111 31 103 40 MD 29 5 109 53 32 104 Rappahannock 38 39 44 46 33 106 54 110 113 105 90 89 112 87 York WV 52 114 50 56 57 34 4 3 James 51 58 DC 115 35 2 47 60 59 1 49 DE 61 62 71 88 63 74 67 72 48 68 70 75 65 117 VA 76 69 73 64 66 77 81 116 78 79 80

Prepared on 09/27/17 Table 1. Chesapeake Bay nontidal monitoring stations included in the determination of nutrient and suspended sediment loads and trends for the time period 1985 through 2016. Bold stations represent the nine River Input Monitoring stations. USGS STATION MAJOR Drainage MONITORING DATA MAP ID NUMBER USGS STATION NAME WATERSHED/REGION Area (mi2) START DATE END DATE 1 01487000 NEAR BRIDGEVILLE, DE Eastern Shore 75 1998 2016 2 01488500 NEAR ADAMSVILLE, DE Eastern Shore 47 2005 2016 3 01491000 NEAR GREENSBORO, MD Eastern Shore 113 1985 2016 4 01491500 NEAR RUTHSBURG, MD Eastern Shore 85 2005 2016 5 01495000 BIG ELK CREEK AT ELK MILLS, MD Eastern Shore 52 2005 2016 6 01502500 AT ROCKDALE NY Susquehanna 520 2005 2016 7 01503000 AT CONKLIN NY Susquehanna 2,232 2006 2016 8 01515000 SUSQUEHANNA RIVER NEAR WAVERLY NY Susquehanna 4,773 2005 2016 9 01529500 NEAR CAMPBELL NY Susquehanna 470 2006 2016 10 01531000 AT CHEMUNG NY Susquehanna 2,506 2005 2016 11 01531500 SUSQUEHANNA RIVER AT TOWANDA, PA Susquehanna 7,797 1985 2016 82 01534000 TUNKHANNOCK CREEK NEAR TUNKHANNOCK, PA Susquehanna 383 2009 2016 12 01536500 SUSQUEHANNA RIVER AT WILKES-BARRE, PA Susquehanna 9,960 1989 2016 13 01540500 SUSQUEHANNA RIVER AT DANVILLE, PA Susquehanna 11,220 1985 2016 14 01542500 WB SUSQUEHANNA RIVER AT KARTHAUS, PA Susquehanna 1,462 2005 2016 83 01549700 PINE CREEK BL L PINE CREEK NEAR WATERVILLE, PA Susquehanna 944 2007 2016 15 01549760 WB SUSQUEHANNA RIVER AT JERSEY SHORE, PA Susquehanna 5,225 2006 2016 16 01553500 WEST BRANCH SUSQUEHANNA RIVER AT LEWISBURG, PA Susquehanna 6,847 1985 2016 17 01555000 AT PENNS CREEK, PA Susquehanna 301 2005 2016 18 01562000 RAYSTOWN BRANCH AT SAXTON, PA Susquehanna 756 2005 2016 19 01567000 JUNIATA RIVER AT NEWPORT, PA Susquehanna 3,354 1985 2016 20 01568000 SHERMAN CREEK AT SHERMANS DALE, PA Susquehanna 207 2005 2016 21 01570000 NEAR HOGESTOWN, PA Susquehanna 470 2005 2016 22 01571500 NEAR CAMP HILL, PA Susquehanna 213 2005 2016 23 01573560 NEAR HERSHEY, PA Susquehanna 483 2005 2016 24 01574000 WEST NEAR MANCHESTER, PA Susquehanna 510 2005 2016 25 01576000 SUSQUEHANNA RIVER AT MARIETTA, PA Susquehanna 25,990 1987 2016 26 01576754 AT CONESTOGA, PA Susquehanna 470 1985 2016 27 01576787 AT MARTIC FORGE, PA Susquehanna 148 2005 2016 28 01578310 SUSQUEHANNA RIVER AT CONOWINGO, MD Susquehanna 27,100 1985 2016 84 01578475 NEAR RICHARDSMERE, MD Susquehanna 177 2007 2016 29 01580520 NEAR DARLINGTON, MD Susquehanna 164 2006 2016 30 01582500 GUNPOWDER FALLS AT GLENCOE, MD Western Shore 160 1985 2016 31 01586000 NORTH BRANCH AT CEDARHURST, MD Western Shore 57 1985 2016 32 01589300 AT VILLA NOVA, MD Western Shore 32 2003 2016 33 01591000 NEAR UNITY, MD Western Shore 35 1985 2016 34 01594440 PATUXENT RIVER NEAR BOWIE, MD Western Shore 348 1985 2016 35 01594526 WESTERN BRANCH AT UPPER MARLBORO, MD Western Shore 90 2006 2016 36 01599000 GEORGES CREEK AT FRANKLIN, MD Potomac 72 1985 2016 37 01601500 WILLS CREEK NEAR CUMBERLAND, MD Potomac 247 1985 2016 38 01604500 NEAR HEADSVILLE, WV Potomac 221 2006 2016 39 01608500 SOUTH BRANCH NEAR SPRINGFIELD, WV Potomac 1,461 2006 2016 85 01609000 TOWN CREEK NEAR OLDTOWN, MD Potomac 148 2007 2016 86 01610155 SIDELING HILL CREEK NEAR BELLEGROVE, MD Potomac 102 2007 2016 40 01611500 NEAR GREAT CACAPON, WV Potomac 675 2006 2016 41 01613095 NEAR HANCOCK, MD Potomac 111 2006 2016 42 01613525 LICKING CREEK AT PECTONVILLE, MD Potomac 193 2006 2016 43 01614500 AT FAIRVIEW, MD Potomac 494 1985 2016 44 01616500 NEAR MARTINSBURG, WV Potomac 273 2006 2016 45 01619000 NEAR WAYNESBORO, PA Potomac 93 2006 2016 46 01619500 ANTIETAM CREEK NEAR SHARPSBURG, MD Potomac 281 1985 2016 47 01621050 MUDDY CREEK AT MOUNT CLINTON, VA Potomac 14 1994 2016 48 01626000 NEAR WAYNESBORO, VA Potomac 127 1985 2016 49 01628500 S F NEAR LYNNWOOD, VA Potomac 1,079 1985 2016 50 01631000 S F SHENANDOAH RIVER AT FRONT ROYAL, VA Potomac 1,634 1985 2016 51 01632900 NEAR NEW MARKET, VA Potomac 94 1985 2016 52 01634000 N F SHENANDOAH RIVER NEAR STRASBURG, VA Potomac 770 1985 2016 53 01637500 CATOCTIN CREEK NEAR MIDDLETOWN, MD Potomac 67 1985 2016 54 01638480 CATOCTIN CREEK AT TAYLORSTOWN, VA Potomac 89 1985 2016 55 01639000 AT BRIDGEPORT, MD Potomac 173 1985 2016 56 01646000 NEAR GREAT FALLS, VA Potomac 58 1985 2016 57 01646580 POTOMAC RIVER AT CHAIN BRIDGE, AT WASHINGTON, DC Potomac 11,570 1985 2016 87 01651000 NORTHWEST BR RIVER NR HYATTSVILLE, MD Potomac 49 2007 2016 58 01654000 NEAR ANNANDALE, VA Potomac 24 1991 2016 Table 1. Chesapeake Bay nontidal monitoring stations included in the determination of nutrient and suspended sediment loads and trends for the time period 1985 through 2016. Bold stations represent the nine River Input Monitoring stations. USGS STATION MAJOR Drainage MONITORING DATA MAP ID NUMBER USGS STATION NAME WATERSHED/REGION Area (mi2) START DATE END DATE 59 01658500 S F NEAR INDEPENDENT HILL, VA Potomac 8 1994 2016 60 01664000 RAPPAHANNOCK RIVER AT REMINGTON, VA 619 1985 2016 61 01665500 RAPIDAN RIVER NEAR RUCKERSVILLE, VA Virginia 115 2003 2016 62 01667500 RAPIDAN RIVER NEAR CULPEPER, VA Virginia 468 2005 2016 63 01668000 RAPPAHANNOCK RIVER NEAR FREDERICKSBURG, VA Virginia 1,595 1985 2016 64 01671020 NORTH ANNA RIVER AT HART CORNER NEAR DOSWELL, VA Virginia 462 1985 2016 65 01671100 LITTLE RIVER NEAR DOSWELL, VA Virginia 107 2001 2016 66 01673000 PAMUNKEY RIVER NEAR HANOVER, VA Virginia 1,078 1985 2016 67 01673800 PO RIVER NEAR SPOTSYLVANIA, VA Virginia 78 1987 2016 68 01674000 MATTAPONI RIVER NEAR BOWLING GREEN, VA Virginia 256 1985 2016 69 01674500 MATTAPONI RIVER NEAR BEULAHVILLE, VA Virginia 603 1985 2016 70 02011500 BACK CREEK NEAR MOUNTAIN GROVE, VA Virginia 134 1985 2016 71 02015700 BULLPASTURE RIVER AT WILLIAMSVILLE, VA Virginia 110 1985 2016 72 02020500 CALFPASTURE RIVER ABOVE MILL CREEK AT GOSHEN, VA Virginia 141 1999 2016 73 02024752 JAMES RIVER AT BLUE RIDGE PKWY NR BIG ISLAND, VA Virginia 3,076 2006 2016 74 02031000 MECHUMS RIVER NEAR WHITE HALL, VA Virginia 95 1985 2016 75 02034000 RIVANNA RIVER AT PALMYRA, VA Virginia 663 1985 2016 76 02035000 JAMES RIVER AT CARTERSVILLE, VA Virginia 6,252 1985 2016 77 02037500 JAMES RIVER NEAR RICHMOND, VA Virginia 6,753 1985 2016 78 02039500 APPOMATTOX RIVER AT FARMVILLE, VA Virginia 302 1985 2016 79 02041000 DEEP CREEK NEAR MANNBORO, VA Virginia 158 1991 2016 80 02041650 APPOMATTOX RIVER AT MATOACA, VA Virginia 1,342 1985 2016 81 02042500 CHICKAHOMINY RIVER NEAR PROVIDENCE FORGE, VA Virginia 251 1985 2016

Table 2. New Chesapeake Bay nontidal monitoring stations added since 2011. USGS STATION MAJOR Drainage MONITORING DATA MAP ID NUMBER USGS STATION NAME WATERSHED/REGION Area (mi2) START DATE END DATE 88 01486000 MANOKIN BRANCH NEAR PRINCESS ANNE, MD Eastern Shore 5 2011 2016 89 01493112 CHESTERVILLE BRANCH NEAR CRUMPTON, MD Eastern Shore 6 2011 2016 90 01493500 MORGAN CREEK NEAR KENNEDYVILLE, MD Eastern Shore 13 2011 2016 91 01511500 AT ITASKA, NY Susquehanna 730 2012 2014 92 01553700 AT WASHINGTONVILLE, PA Susquehanna 51 2013 2016 93 01555500 EAST NEAR DALMATIA, PA Susquehanna 162 2012 2016 94 01565000 AT REEDSVILLE, PA Susquehanna 164 2012 2016 95 01571005 NEAR GLENNWOOD, PA Susquehanna 11 2013 2016 96 01573160 NEAR BELLEGROVE Susquehanna 74 2013 2016 97 01573695 CONEWAGO CREEK NEAR BELLAIRE, PA Susquehanna 21 2013 2016 98 01573710 CONEWAGO CREEK NEAR FALMOUTH, PA Susquehanna 48 2011 2016 99 01575585 NEAR PLEASUREVILLE, PA Susquehanna 267 2013 2016 100 15765195 BIG SPRING RUN NEAR MYLIN CORNERS, PA Susquehanna 2 2011 2016 101 01576767 PEQUEA CREEK NEAR RONKS, PA Susquehanna 70 2013 2016 102 01577500 MUDDY CREEK AT CASTLE FIN, PA Susquehanna 133 2015 2016 103 01581752 PLUMTREE RUN NEAR BEL AIR, MD Western Shore 3 2013 2016 104 0158175320 WHEEL CREEK NEAR ABINGDON, MD Western Shore 1 2011 2016 105 01593500 LITTLE PATUXENT RIVER AT GUILFORD, MD Western Shore 38 2011 2016 106 01595300 ABRAM CREEK AT OAKMONT, WV Potomac 43 2013 2016 107 01601100 WILLS CREEK AT ELLERSLIE, MD Potomac 185 2012 2014 108 01613030 WARM SPRINGS RUN NEAR BERKELEY SPRINGS, WV Potomac 7 2011 2016 109 01614000 BACK CREEK NEAR JONES SPRINGS, WV Potomac 235 2012 2016 110 01616400 MILL CREEK AT BUNKER HILL, WV Potomac 18 2011 2016 111 01618100 ROCKYMARSH RUN AT SCRABBLE, WV Potomac 16 2011 2016 112 01636500 SHENANDOAH RIVER AT MILLVILLE, WV Potomac 3041 2013 2016 113 01648000 ROCK CREEK AT SHERILL DRIVE AT WASHINGTON, DC Potomac 62 2013 2016 114 01651770 AT AVENUE AT WASHINGTON, DC Potomac 1 2013 2016 115 01651800 WATTS BRANCH AT WASHINGTON, DC Potomac 3 2013 2016 116 01669520 DRAGON SWAMP AT MASCOT, VA Virginia 109 2011 2016 117 01674182 POLECAT CREEK AT ROUTE 301 NEAR PENOLA, VA Virginia 49 2013 2016 Total Nitrogen per Acre Loads and Trends: 2007-2016 Trend Direction

NY

! No Trend

# # "

Improving "#

# # # Degrading "!" " Average Load (lbs/ac) "! " 1.19 - 6.33

" 6.34 - 12.67 "#! "#

! " " # " 12.68 - 30.03 " "#

"#

PA

#

"# #

Susquehanna #

" #

! " " # " " #

Eastern Shore " # " #

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Western Shore # #

#

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#

#

"## " " # "

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Potomac "! " # " " ""! " " # " " MD "

Rappahannock "# "#

WV # #

York #

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Prepared on 11/03/17 UNADILLA RIVER ROCKDALE -10 SUSQUEHANNA RIVER CONKLIN Susquehanna -28 SUSQUEHANNA RIVER WAVERLY -11 EXPLANATION COHOCTON RIVER CAMPBELL 9 Improving CHEMUNG RIVER CHEMUNG -2 SUSQUEHANNA RIVER TOWANDA -1 Degrading SUSQUEHANNA RIVER WILKES-BARRE 1 SUSQUEHANNA RIVER DANVILLE 4 No Trend WB SUSQUEHANNA RIVER KARTHAUS 4 Improving or degrading trends PINE CREEK WATERVILLE 14 classi ed as likelihood estimates WB SUSQUEHANNA RIVER JERSEY S. -1 WB SUSQUEHANNA RIVER LEWISBURG -18 greater than or equal to 66% PENNS CREEK PENNS CREEK 3 *The number next to each bar represents RAYSTOWN BRANCH JUNIATA RIVER -3 the total percent change in total nitrogen JUNIATA RIVER NEWPORT -8 yield over the speci ed time period. SHERMAN CREEK SHERMANS DALE -7 CONODOGUINET CREEK HOGESTOWN -9 YELLOW BREECHES CREEK CAMP HILL -8 SWATARA CREEK HERSHEY -17 WEST CONEWAGO CREEK MANCHESTER -20 SUSQUEHANNA RIVER MARIETTA -7 CONESTOGA RIVER CONESTOGA -20 PEQUEA CREEK MARTIC FORGE -18 SUSQUEHANNA RIVER CONOWINGO 7 OCTORARO CREEK RICHARDSMERE -10 DEER CREEK DARLINGTON -4 NANTICOKE RIVER BRIDGEVILLE Eastern Shore 2 MARSHYHOPE CREEK ADAMSVILLE 4 CHOPTANK RIVER GREENSBORO 4 TUCKAHOE CREEK RUTHSBURG -1 BIG ELK CREEK ELK MILLS -6 GUNPOWDER FALLS GLENCOE Western Shore -5 NB PATAPSCO RIVER CEDARHURST -5 GWYNNS FALLS VILLA NOVA -5 PATUXENT RIVER UNITY 4 PATUXENT RIVER BOWIE -16 WESTERN BRANCH UPPER MARLBORO -4 GEORGES CREEK FRANKLIN Potomac -23 WILLS CREEK CUMBERLAND -11 PATTERSON CREEK HEADSVILLE -10 SB POTOMAC RIVER SPRINGFIELD -2 TOWN CREEK OLDTOWN -6 SIDELING HILL CREEK BELLEGROVE -26 CACAPON RIVER GREAT CACAPON -9 TONOLOWAY CREEK HANCOCK 5 LICKING CREEK PECTONVILLE 13 CONOCOCHEAGUE CREEK FAIRVIEW -8 OPEQUON CREEK MARTINSBURG -19 ANTIETAM CREEK WAYNESBORO -16 ANTIETAM CREEK SHARPSBURG -12 MUDDY CREEK MOUNT CLINTON 5 SOUTH RIVER NEAR WAYNESBORO 5 SF SHENANDOAH RIVER LYNNWOOD -3 SF SHENANDOAH RIVER FRONT ROYAL 0 SMITH CREEK NEW MARKET 1 NF SHENANDOAH RIVER STRASBURG 1 CATOCTIN CREEK MIDDLETOWN -15 CATOCTIN CREEK TAYLORSTOWN 7 MONOCACY RIVER BRIDGEPORT -19 DIFFICULT RUN GREAT FALLS 1 POTOMAC RIVER CHAIN BRIDGE -6 NW HYATTSVILLE -20 ACCOTINK CREEK ANNANDALE -9 SF QUANTICO CREEK INDEP. HILL 20 RAPPAHANNOCK RIVER REMINGTON 18 RAPIDAN RIVER RUCKERSVILLE Virginia -9 RAPIDAN RIVER CULPEPER -13 RAPPAHANNOCK RIVER FREDER. -8 NORTH ANNA RIVER DOSWELL -5 LITTLE RIVER DOSWELL -21 PAMUNKEY RIVER HANOVER 3 PO RIVER SPOTSYLVANIA -1 MATTAPONI RIVER BOWLING G. 11 MATTAPONI RIVER BEULAHVILLE 7 BACK CREEK MOUNTAIN GROVE -3 BULLPASTURE RIVER WILLIAMSVILLE -7 CALFPASTURE RIVER GOSHEN 12 JAMES RIVER BLUE RIDGE PKWY 6 MECHUMS RIVER WHITE HALL 11 RIVANNA RIVER PALMYRA -17 JAMES RIVER CARTERSVILLE -8 JAMES RIVER RICHMOND 13 APPOMATTOX RIVER FARMVILLE 37 DEEP CREEK MANNBORO -7 APPOMATTOX RIVER MATOACA 8 CHICKAHOMINY RIVER PROVIDENCE F. -2 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 CHANGE IN TOTAL NITROGEN LOAD BETWEEN 2007 AND 2016, IN POUNDS PER ACRE Total Phosphorus per Acre Loads and Trends: 2007-2016

Trend Direction

NY

! No Trend #

# # "

Improving "

#

# # # Degrading "" " Average Load (lbs/ac) "!

" 0.12 - 0.38

#

" 0.39 - 0.75 # "#" "#

" # " 0.76- 2.01 # " "! " PA

"# Susquehanna # "! "! "# ""! Eastern Shore "! "#

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Western Shore #

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James DC "! # DE " VA "!

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Prepared on 11/03/17 UNADILLA RIVER ROCKDALE Susquehanna -29 EXPLANATION SUSQUEHANNA RIVER CONKLIN -30 SUSQUEHANNA RIVER WAVERLY -12 Improving COHOCTON RIVER CAMPBELL -14 Degrading CHEMUNG RIVER CHEMUNG -20 No Trend SUSQUEHANNA RIVER TOWANDA -2 SUSQUEHANNA RIVER WILKES-BARRE 14 Improving or degrading trends classi ed as likelihood estimates SUSQUEHANNA RIVER DANVILLE greater than or equal to 66% WB SUSQUEHANNA RIVER KARTHAUS -27 *The number next to each bar represents PINE CREEK WATERVILLE 40 the total percent change in total phosphorus WB SUSQUEHANNA RIVER JERSEY S. -23 yield over the speci ed time period. WB SUSQUEHANNA RIVER LEWISBURG -23 PENNS CREEK PENNS CREEK -14 RAYSTOWN BRANCH JUNIATA RIVER 33 JUNIATA RIVER NEWPORT -9 SHERMAN CREEK SHERMANS DALE -10 CONODOGUINET CREEK HOGESTOWN -7 YELLOW BREECHES CREEK CAMP HILL 11 SWATARA CREEK HERSHEY 21 WEST CONEWAGO CREEK MANCHESTER 2 SUSQUEHANNA RIVER MARIETTA 20 CONESTOGA RIVER CONESTOGA 8 PEQUEA CREEK MARTIC FORGE 31 SUSQUEHANNA RIVER CONOWINGO 61 OCTORARO CREEK RICHARDSMERE -13 DEER CREEK DARLINGTON -12 NANTICOKE RIVER BRIDGEVILLE Eastern Shore -2 MARSHYHOPE CREEK ADAMSVILLE 48 CHOPTANK RIVER GREENSBORO 23 TUCKAHOE CREEK RUTHSBURG 15 BIG ELK CREEK ELK MILLS -23 GUNPOWDER FALLS GLENCOE Western Shore 59 NB PATAPSCO RIVER CEDARHURST -19 GWYNNS FALLS VILLA NOVA -14 PATUXENT RIVER UNITY 21 PATUXENT RIVER BOWIE -5 WESTERN BRANCH UPPER MARLBORO 3 GEORGES CREEK FRANKLIN Potomac -25 WILLS CREEK CUMBERLAND -12 PATTERSON CREEK HEADSVILLE -37 SB POTOMAC RIVER SPRINGFIELD -50 TOWN CREEK OLDTOWN 7 SIDELING HILL CREEK BELLEGROVE 9 CACAPON RIVER GREAT CACAPON -9 TONOLOWAY CREEK HANCOCK 70 LICKING CREEK PECTONVILLE 5 CONOCOCHEAGUE CREEK FAIRVIEW 6 OPEQUON CREEK MARTINSBURG -61 ANTIETAM CREEK WAYNESBORO -45 ANTIETAM CREEK SHARPSBURG -18 SF SHENANDOAH RIVER FRONT ROYAL 4 NF SHENANDOAH RIVER STRASBURG -33 CATOCTIN CREEK MIDDLETOWN -52 MONOCACY RIVER BRIDGEPORT -2 POTOMAC RIVER CHAIN BRIDGE 7 NW ANACOSTIA RIVER HYATTSVILLE -16 RAPIDAN RIVER CULPEPER Virginia -37 RAPPAHANNOCK RIVER FREDER. 2 NORTH ANNA RIVER DOSWELL PAMUNKEY RIVER HANOVER -5 MATTAPONI RIVER BEULAHVILLE 9 JAMES RIVER BLUE RIDGE PKWY -14 JAMES RIVER CARTERSVILLE -4 JAMES RIVER RICHMOND -6 APPOMATTOX RIVER MATOACA 8 CHICKAHOMINY RIVER PROVIDENCE F. -2 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 CHANGE IN TOTAL PHOSPHORUS LOAD BETWEEN 2007 AND 2016, IN POUNDS PER ACRE Suspended Sediment per Acre Loads and Trends: 2007-2016 Trend Direction NY

! No Trend # "!

Improving #"

# # # # Degrading "" " Average Load (lbs/ac) "! " 19 - 365 " #" 366 - 729 #" "! " "! #" 730 - 1669 "# PA

"! Susquehanna # " "! "! "!"#

Eastern Shore "! # " # ""!

Western Shore # "! ! # #

"# ! ""! " "! "!" "

"! "#

! " # Potomac # " "# "# ! # " "" "! "#" MD "! Rappahannock "#

WV York # #" ""# "! "! "# "! "# #" James DC "!

DE "# ! VA "

"# "! # "# " "# "! "! "#

Prepared on 11/03/17 UNADILLA RIVER ROCKDALE -1 Susquehanna EXPLANATION SUSQUEHANNA RIVER CONKLIN -14 SUSQUEHANNA RIVER WAVERLY -31 Improving COHOCTON RIVER CAMPBELL 39 Degrading CHEMUNG RIVER CHEMUNG -18 No Trend SUSQUEHANNA RIVER TOWANDA 14 Improving or degrading trends SUSQUEHANNA RIVER DANVILLE 46 classi ed as likelihood estimates WB SUSQUEHANNA RIVER KARTHAUS 31 greater than or equal to 66% PINE CREEK WATERVILLE 51 *The number next to each bar represents WB SUSQUEHANNA RIVER JERSEY S. -7 total percent change in suspended sediment WB SUSQUEHANNA RIVER LEWISBURG 6 yield over the speci ed time period. PENNS CREEK PENNS CREEK 87 RAYSTOWN BRANCH JUNIATA RIVER 22 JUNIATA RIVER NEWPORT -7 SHERMAN CREEK SHERMANS DALE -30 CONODOGUINET CREEK HOGESTOWN 8 YELLOW BREECHES CREEK CAMP HILL 65 SWATARA CREEK HERSHEY 74 WEST CONEWAGO CREEK MANCHESTER -10 SUSQUEHANNA RIVER MARIETTA 9 CONESTOGA RIVER CONESTOGA -14 PEQUEA CREEK MARTIC FORGE -4 SUSQUEHANNA RIVER CONOWINGO 17 OCTORARO CREEK RICHARDSMERE 0 DEER CREEK DARLINGTON 31 NANTICOKE RIVER BRIDGEVILLE -17 Eastern Shore MARSHYHOPE CREEK ADAMSVILLE 15 CHOPTANK RIVER GREENSBORO 9 TUCKAHOE CREEK RUTHSBURG -6 BIG ELK CREEK ELK MILLS -22 GUNPOWDER FALLS GLENCOE Western Shore 74 NB PATAPSCO RIVER CEDARHURST -11 GWYNNS FALLS VILLA NOVA 8 PATUXENT RIVER UNITY 14 PATUXENT RIVER BOWIE 18 WESTERN BRANCH UPPER MARLBORO 18 GEORGES CREEK FRANKLIN Potomac 80 WILLS CREEK CUMBERLAND 38 PATTERSON CREEK HEADSVILLE -22 SB POTOMAC RIVER SPRINGFIELD -1 TOWN CREEK OLDTOWN -11 SIDELING HILL CREEK BELLEGROVE -73 CACAPON RIVER GREAT CACAPON 2 TONOLOWAY CREEK HANCOCK 116 LICKING CREEK PECTONVILLE -35 CONOCOCHEAGUE CREEK FAIRVIEW 19 OPEQUON CREEK MARTINSBURG 1 ANTIETAM CREEK WAYNESBORO -11 ANTIETAM CREEK SHARPSBURG 50 SF SHENANDOAH RIVER FRONT ROYAL 41 NF SHENANDOAH RIVER STRASBURG -11 CATOCTIN CREEK MIDDLETOWN -66 MONOCACY RIVER BRIDGEPORT 10 POTOMAC RIVER CHAIN BRIDGE -7 NW ANACOSTIA RIVER HYATTSVILLE 20 RAPIDAN RIVER CULPEPER Virginia -42 RAPPAHANNOCK RIVER FREDER. -5 NORTH ANNA RIVER DOSWELL 12 PAMUNKEY RIVER HANOVER 13 MATTAPONI RIVER BEULAHVILLE 4 JAMES RIVER BLUE RIDGE PKWY 27 JAMES RIVER CARTERSVILLE -8 JAMES RIVER RICHMOND 21 APPOMATTOX RIVER MATOACA 13 CHICKAHOMINY RIVER PROVIDENCE F. -4

-2,000 -1,500 -1,000 -500 0 500 1,000 1,500 2,000 CHANGE IN SUSPENDED SEDIMENT LOAD BETWEEN 2007 AND 2016, IN POUNDS PER ACRE