DISTRICT OF COLUMBIA WATER AND SEWER AUTHORITY

ATTACHMENT N

DC WATER FACILITY LIST

RFP 16-PR-DEM-33 Comprehensive All-Hazards Risk Assessment Attachment N: DC Water Facilities

DC Water Facilities Covered by EMP

Staffed Treated Water Pumping Stations Bryant Street Pumping Station (301 Bryant St NW) (BSPS) Fort Reno Pumping Station (staff in adj. bldg.) (FRPS)

Unstaffed Treated Water Pumping Stations, Tanks, Reservoirs 16th & Alaska Ave NW Pumping Station Anacostia Pumping Station Boulevard Ave SE Elevated Tank (2 MG) Brentwood Reservoir (25 MG) Fort Reno NW Elevated Tank No. 1 (0.08 MG) Fort Reno Reservoir No. 1 (5.4 MG) Fort Stanton Reservoir No. 1 (3 MG) Fort Stanton Reservoir No. 2 (10 MG) Good Hope Road SE Elevated Tank (0.5 MG) Soldiers Home Reservoir (15 MG)

Staffed Sewer / Wastewater Pumping Stations Main & O St. SE Pumping Station (MOPS - 1402 First St SE) Potomac Wastewater Pumping Station (PSPS)

Unstaffed Sewer/ Wastewater Pumping Stations 12th St & Constitution Ave Pumping Station 12th St & Maine Ave Pumping Station 14th St Bridge Pumping Station 1st & Canal St Pumping Station 1st & D St Pumping Station 23rd St & Virginia Ave Pumping Station 26th & K St Pumping Station 3rd St & Constitution Ave Pumping Station 9th & D St Pumping Station 9th & Madison St SW Pumping Station Deane Ave Pumping Station Earl Place NE Pumping Station Eastern Eve Pumping Station Eastside Pumping Station Kenilworth Ave Pumping Station New Hampshire & Virginia Ave Pumping Station Northeast Boundary Swirl Facility 2600 Indep. Ave SE Poplar Point Pumping Station Portland St Pumping Station (aka Malcolm X Ave) Rock Creek Pumping Station 27th and K St NW Pumping Station (16th & Mass Ave) Pumping Station (14th & M St) Upper Anacostia Pumping Station

Wastewater Treatment and DC Water Headquarters (Staffed) Blue Plains Advanced Wastewater Treatment Plant and Pumping Stations 1 & 2 (BPAWTP) DC Water Headquarters (5000 Overlook Ave.SW)

Customer Service and Billing Site (Staffed) 80 M Street, SE, WDC 20002 (CS)

16-PR-DEM-33: Comprehensive All-Hazards Risk Assessment Attachment N: DC Water Facilities DCWATER MASTER BUILDINGS LOCATIONS

Process/ Non- Floor Yr Item Bldg No. Facility Name Address Validation Sq. Ft. Const. Description Process s Built BLUE PLAINS 1 A3-1 Supply Bldg 2 non-process 5000 Overlook Ave Exist 1 1977 9322 Non comb steel frame 2 A4-1 Gas Holder Control House Process 5000 Overlook Ave Removed by Tunnel 1 N/A 3217 N/A 3 A4-2 Head House Stairs 60 (HH60) Process 5000 Overlook Ave 1 4A4-2 A4-3 A4-6Gravity Thickeners (6) Process 5000 Overlook Ave 1 1958 3300 5 A4-3 Head House 61 Process 5000 Overlook Ave 1 6 A4-4 East Gas Meter Control Process 5000 Overlook Ave Removed by Tunnel N/A N/A 7 A4-5 West Gas Meter Control Process 5000 Overlook Ave Removed by Tunnel N/A N/A 8 A4-6 Head House 62 (HH62) Process 5000 Overlook Ave ???? 1 9 A4-7 Primary Sed Control House D (PSCH D) Process 5000 Overlook Ave 1 1200 10 A5-1 Heat Exchange Building Process 5000 Overlook Ave 1 1958 7968 Non comb steel frame 11 A5-2 Degritting & Grinding Building Process 5000 Overlook Ave 1 1985 1166 Non comb steel frame 12 A5-3 Heating Plant Process 5000 Overlook Ave ???? 13 A5-4 Sample Bldg 001 Process 5000 Overlook Ave ???? 14 B2-1 Raw Wastewater Pumping Station 2 Process 5000 Overlook Ave 1 1974 50227 Non comb steel frame 15 B2-2 Grit Chamber building #2 Process 5000 Overlook Ave 1 1970 42487 Concrete frame w/mas walls 16 B2-3 Security Shed- Gate A non-process 5000 Overlook Ave Gate A 1 2011 88 17 B3-1 Raw Pumping Station 1 Process 5000 Overlook Ave 1 1935 11718 Non comb steel frame 18 B3-2 Grit Chamber Building #1 Process 5000 Overlook Ave 1958 30000 Non comb steel frame 19 B3-3 Primary Sed Control House C (PSCH "C") Process 5000 Overlook Ave West Primary Sedimentation Tanks 1935 1200 20 B3-4 Chlorine Bldg (abandoned) Process 5000 Overlook Ave abandoned 1 1952 9286 Non comb steel frame 21 B3-5 Chemical Batching Bldg/Sec Reactor Process 5000 Overlook Ave 22 B3-6 Flowmeter M8 Access Head House Process 5000 Overlook Ave 23 B3-7 Garage Storage non-process 5000 Overlook Ave 1564 24 B3-8 Bypass Bulding Process 5000 Overlook Ave 25 B3-9 Chlorination Building Process 5000 Overlook Ave 26 B3-10 Grit and Screening Loading Station 1 GSLS1 Process 5000 Overlook Ave 27 B3-11 Grit and Screening Loading Station 2 GSLS 2 Process 5000 Overlook Ave 28 B3- 12 Scale Booth Process 5000 Overlook Ave 29 B4-1 Primary Sed Control House B- PSCH B Process 5000 Overlook Ave West Primary Sedimentation Tanks 1935 1200 30 B4-2 Primary Sed Control House A - PSCH A Process 5000 Overlook Ave West Primary Sedimentation Tanks 1935 1200 31 B4-3 Headhouse Stair 25 (HH25) Process 5000 Overlook Ave 164 32 B4-4 Headhouse Stair 23 (HH23) Process 5000 Overlook Ave West Secondary Sedimentation Tanks 374 33 B4-5 Sludge Management Bldg Process 5000 Overlook Ave Check to see if it bldg was demo 34 B4- 6 Used Oil & Special Waste Storage Building Process 5000 Overlook Ave 35 B4- 7 Cart Shop II Process 5000 Overlook Ave 36 B5-1 Central Maintenance Facility non-process 5000 Overlook Ave 3 1986 206139 Non comb steel frame 37 B5-2 Laboratory (Lab) Combined 5000 Overlook Ave 2 1972 3840 mansory Const/ Wood Roof 38 B5-3 Chemical Bldg (Metal Salts) Process 5000 Overlook Ave 1973 36285 Non comb steel frame 39 B5-4 Main Sub Station Process 5000 Overlook Ave 1989 ???? reinforced concrete 40 B5-5 Supply Bldg 1 non-process 5000 Overlook Ave 1977 41600 steel frame w/concrete floors 41 B5-6 Old Safety Office non-process 5000 Overlook Ave 42 B5-7 Pepco Switching Station non-process 5000 Overlook Ave 43 B5-8 HVAC Shop non-process 5000 Overlook Ave 44 B5-9 PH Adjustment (NAOH) (Sodium Hydroxide) Building Process 5000 Overlook Ave DCWATER MASTER BUILDINGS LOCATIONS

Process/ Non- Floor Yr Item Bldg No. Facility Name Address Validation Sq. Ft. Const. Description Process s Built 45 B5-10 Dechlorination Bldg Process 5000 Overlook Ave 1 1991 1145 Non Comb Steel Frame 46 B5-11 Headhouse Stair 24 (HHS24) Process 5000 Overlook Ave 255 47 B5-12 Secondary Effluent Pump Station Process 5000 Overlook Ave 48 B6-1 Solids Processing Process 5000 Overlook Ave 1971 336000 all steel 49 B6-2 Dewatering Sludge Loading Facility Process 5000 Overlook Ave 1990 51348 all reinforced concrete 50 B6-3 Area Substation 5 Process 5000 Overlook Ave 2000 7000 mansory Const/ Wood Roof 51 B6-4 Metal Salts Receiving Station Process 5000 Overlook Ave 52 B7-1 Direct Sludge Loading Station Process 5000 Overlook Ave 1993 3789 all reinforced concrete 53 B7-2 Sludge Truck Receiving Station Process 5000 Overlook Ave 54 B7-3 Sample Bldg 002 Process 5000 Overlook Ave 55 C1-1 Central Operations Bldg non-process 5000 Overlook Ave 5 1975 72120 Pre Cast Concrete W CC FLRS 56 C1-2 Security Building Process 5000 Overlook Ave 57 C1-3 Security Main Gate Shed Process 5000 Overlook Ave 58 C1-4 Security Bus Shed Process 5000 Overlook Ave 59 C2-1 Info & Tech non-process 5000 Overlook Ave 1 1975 3850 Concrete Wall System 60 C2-2 C2-3 Primary Sed Control I, H, E, F& G Process 5000 Overlook Ave 61 C3-1 Primary Control House E Process 5000 Overlook Ave 1763 62 C3-10 Secondary Sed Process 5000 Overlook Ave 63 C3-2 Primary Control House F Combined 5000 Overlook Ave 1763 64 C3-3 Primary Control House G Combined 5000 Overlook Ave 1763 65 C3-4 Secondary Blower Bldg Combined 5000 Overlook Ave 1 1956 55673 All Reinforced Concrete 66 C3-5 Headhouse Stair 6 Combined 5000 Overlook Ave 170 67 C3-6 Headhouse Stair 7 Combined 5000 Overlook Ave 209 68 C3-7 Secondary Control Building Combined 5000 Overlook Ave 3627 69 C4-1 Headhouse Stair 9 Process 5000 Overlook Ave 310 70 C4-2 Headhouse Stair 22 Process 5000 Overlook Ave 156 71 C4-3 Headhouse Stair 21 Process 5000 Overlook Ave 72 C4-4 Lime Storage & Feed Bldg Process 5000 Overlook Ave 14656 73 C4-5 Sodium Hydroxide Bldg Process 5000 Overlook Ave 74 C5-1 West Secondary Electrial Bldg Combined 5000 Overlook Ave 75 C5-2 Headhouse Stair 17 Process 5000 Overlook Ave 570 76 C5-3 Headhouse Stair 16 Process 5000 Overlook Ave 190 77 C5-4 Truck Wash Station Process 5000 Overlook Ave 1 1988 0 All Steel 78 C5-5 Dual Purpoase Sedmentation Bldg Process 5000 Overlook Ave 1 1988 0 All Reinforced Concrete 79 C5-6 Headhouse Stair 20 Process 5000 Overlook Ave 350 80 C5-7 Headhouse Stair 15 Process 5000 Overlook Ave 190 81 C5-8 Nitrification Reactors Elect Bldg 1 Process 5000 Overlook Ave 82 C5-9 Nitrification Reactors Elect Bldg 2 Process 5000 Overlook Ave 83 C7-1 Headhouse Stair 39 Combined 5000 Overlook Ave 180 84 C7-10 Filtration and Disinfection Facility Process 5000 Overlook Ave 196509 85 C7-2 Headhouse Stair 38 Combined 5000 Overlook Ave 180 86 C7-3 Headhouse Stair 37 Process 5000 Overlook Ave 180 87 C7-4 Headhouse Stair 36 Combined 5000 Overlook Ave 88 C7-5 Headhouse Stair 45 Process 5000 Overlook Ave 89 C7-6 Headhouse Stair 46 Combined 5000 Overlook Ave DCWATER MASTER BUILDINGS LOCATIONS

Process/ Non- Floor Yr Item Bldg No. Facility Name Address Validation Sq. Ft. Const. Description Process s Built 90 C7-7 Filtration and Disinfection Electrical Bldg. 1 Process 5000 Overlook Ave 91 C7-8 Filtration and Disinfection Electrical Bldg. 2 Process 5000 Overlook Ave 92 C7-9 Chlorine Bldg 2 Process 5000 Overlook Ave 1 1985 0 Non Comb Steel Frame 93 D3-1 Secondary Elect Bldg Process 5000 Overlook Ave 94 D3-2 Gate B Security Building non-process 5000 Overlook Ave 95 D4-1 Weighing Station non-process 5000 Overlook Ave 1 1993 0 Non Comb Frame 96 D4-2 Foam Storage Bldg 2 Process 5000 Overlook Ave 97 D4-3 Foam Storage Bldg 1 Process 5000 Overlook Ave 98 D4-4 Methanol Feed Bldg Process 5000 Overlook Ave 99 D5-1 Nitrification Blower Bldg Process 5000 Overlook Ave 49873 100 D5-2 Headhouse Stair 26 Process 5000 Overlook Ave 190 101 D5-3 Nitrification Control Bldg Process 5000 Overlook Ave 4932 102 D6-1 Headhouse Stair 28 Process 5000 Overlook Ave 184 103 D6-2 Headhouse Stair 29 Process 5000 Overlook Ave 184 104 D6-3 Gas Station (Fueling Station) non-process 5000 Overlook Ave 1 1987 1878 All Reinforced Concrete 105 D6-4 Electrical Bldg. 5 Process 5000 Overlook Ave 106 D6-5 Electrical Bldg. 6 Process 5000 Overlook Ave 107 D7-1 Denitrifcation Control Bldg Process 5000 Overlook Ave 4932 108 D7-2 Headhouse Stair 31 Process 5000 Overlook Ave 180 109 D7-3 Headhouse Stair 32 Process 5000 Overlook Ave 110 Enginerring (Green Building) non-process 5000 Overlook Ave 2 1971 11100 111 Area Substation 1 (A) 5000 Overlook Ave 1 1972 1500 All Reinforced Concrete 112 West Primary Sedimentation 5000 Overlook Ave 1 1935 0 All Reinforced Concrete 113 Multi-Service Unit Substation 5000 Overlook Ave 1 1972 1338 mansory Const/ Wood Roof 114 Sludge Digesters, Unit 4 (Underg) 5000 Overlook Ave 1 1935 0 All Reinforced Concrete 115 Outfall 001 5000 Overlook Ave 1 1935 0 All Reinforced Concrete 116 Odor Control System 5000 Overlook Ave 1 2000 0 All Reinforced Concrete 117 Outfall 002 5000 Overlook Ave 1 1935 0 All Reinforced Concrete 118 Sludge Composting Facility 5000 Overlook Ave 1 1978 0 All Steel 119 Dock 5000 Overlook Ave 1 1971 0 Unknown 120 Multi - Media Filtration Facility 5000 Overlook Ave 1 1974 196509 Non comb steel frame 121 Sludge Composting Area 5000 Overlook Ave 1 1981 2500 All Steel 122 Nitrification Sedimentation FAC 5000 Overlook Ave 1 1974 41940 All Steel 123 Interim Sodium Hydrozide FAC 5000 Overlook Ave 1 2000 2200 All Steel 124 Nitrification Reactor Facility 5000 Overlook Ave 1 1974 3500 All Reinforced Concrete 125 West Secondary Sedimentation, UN 5000 Overlook Ave 1 1956 0 All Reinforced Concrete 126 IT Trailer 5000 Overlook Ave 1 1999 0 All Steel 127 East Secondary Sedimentation 5000 Overlook Ave 1 1972 15620 All Reinforced Concrete 128 East Primary Sedimentation 5000 Overlook Ave 1 1970 0 All Reinforced Concrete 129 Secondary Effluent Outfall Condu 5000 Overlook Ave 1 1973 0 Unknown 130 Alternate Disinfection Building 5000 Overlook Ave 1 2003 8134 All Reinforced Concrete 131 Denitrification Demonstration FA 5000 Overlook Ave 1 1995 2730 All Reinforced Concrete 132 Denitrification Bypass 5000 Overlook Ave 1 1977 0 mansory Const/ Wood Roof 133 Meter Building 5000 Overlook Ave 1 494 134 Pilot Plant 5000 Overlook Ave 1 11412 DCWATER MASTER BUILDINGS LOCATIONS

Process/ Non- Floor Yr Item Bldg No. Facility Name Address Validation Sq. Ft. Const. Description Process s Built 135 Pipe Galleries 5000 Overlook Ave 1 22806 136 Electrical Building 5000 Overlook Ave 1 1034 137 Nitri. Sedimentation Gallery 5000 Overlook Ave 1 41940 138 River Water Pump 5000 Overlook Ave 1 192 139 South North Gallery 5000 Overlook Ave 1 5391 140 Electrical Sub Station A 5000 Overlook Ave 1 1500 141 Electircal Sub Station B 5000 Overlook Ave 1 1338 142 Gas Sphere 5000 Overlook Ave 1 1256 143 Service Tunnel & Stair 25 5000 Overlook Ave 1 2850 144 Electrical Sub Station C 5000 Overlook Ave 1 ? 145 Storgae Shed 5000 Overlook Ave 1 1275 146 Guard House 5000 Overlook Ave 1 160 147 Waste Sludge Gallery 5000 Overlook Ave 1 3000 148 Secondary Tunnel 5000 Overlook Ave 1 4435 149 Supply Building 5000 Overlook Ave 1 21100 150 Secondary Scum Gallery 5000 Overlook Ave 1 4920 151 South & North Gallery Tank # 7, 8, 9, 10 5000 Overlook Ave 1 550 152 Fueling Station 5000 Overlook Ave 1 1878867 153 Central Maintenance 5000 Overlook Ave 1 195000 154 Estuary Warehouse Des. 5020 Overlook Ave 1 13630 155 Blower Building 5000 Overlook Ave 1 49350 156 Raw Waste Water Station 5000 Overlook Ave 1 50227 157 Grit Chamber 5000 Overlook Ave 1 42487 158 Return Sludge 5000 Overlook Ave 1 6173 159 Eng. Building 5000 Overlook Ave 1 10800 160 Air Main 5000 Overlook Ave 1 12050 161 Electrical Building 5000 Overlook Ave 1 1216 162 Electrical Building 5000 Overlook Ave 1 600 163 West Gas Meter 5000 Overlook Ave 1 1140 164 East Gas Meter 5000 Overlook Ave 1 1140 165 Chemical Feed 5000 Overlook Ave 1 5366 166 Locker Room Bypass 5000 Overlook Ave 1 2052 167 Gallery West Secondary 5000 Overlook Ave 1 27840 168 Pilot Plant 5000 Overlook Ave 1 6494 169 Primary Center House 1 5000 Overlook Ave 1 1763 170 Recalim Secondary Pumping Station 5000 Overlook Ave 1 2138 171 Material Laboratory 5000 Overlook Ave 1 3850 172 Sec. Reactory Gallery 5000 Overlook Ave 1 5610 173 Air Main Gallery 5000 Overlook Ave 1 10470 174 East Sec. Sed Gallery 5000 Overlook Ave 1 15620 175 Electrical Building 5000 Overlook Ave 1 300 176 Electrical Building 5000 Overlook Ave 1 1825 177 Lime Unlead Building 5000 Overlook Ave 1 5470 178 Nitri. Reactor Gallery 5000 Overlook Ave 1 20560 179 Waste Sludge Gallery 5000 Overlook Ave 1 16300 DCWATER MASTER BUILDINGS LOCATIONS

Process/ Non- Floor Yr Item Bldg No. Facility Name Address Validation Sq. Ft. Const. Description Process s Built 180 Electrical Building 5000 Overlook Ave 1 1034 Bryant Street 181 BR-1 Crew Assignment Bldg non-process 182 BR-2 Guard Shack (McMillan) non-process 183 Garage & Storage (Tires) 200 Bryant Street, N 1 1900 12702 masonry const/wood roof 184 Old Foundry 200 Bryant Street, N 1 1960 19600 masonry const/wood roof 185 Storage Yard 200 Bryant Street, N 1 0 All Reinforced Concrete 186 Trailer 200 Bryant Street, N 1 252 All Steel 187 Shed 200 Bryant Street, N 1 150 All Steel 188 Office Shed 200 Bryant Street, N 1 150 All Steel 189 Shed 200 Bryant Street, N 1 100 All Steel 190 BR-3 Bryant Street Pumping Station Combined 301 Bryant Street, N 1 1900 33600 masonry const/wood roof 191 Meter Shop 301 Bryant Street, N 1 48450 masonry const/wood roof 192 Blacksmith 301 Bryant Street, N 1 2916 All Reinforced Concrete 193 Building Block 301 Bryant Street, N 1 300 All Reinforced Concrete 194 Guard House 301 Bryant Street, N 1 144 All Steel 195 Parking Deck 301 Bryant Street, N 1 196 Guard Shed 200 Bryant Street, N 1 80 197 Storage Facility Office 201 Bryant Street, N 1 252 198 Gas Pump Shed 301 Bryant Street, N 1 52 199 Block Building 301 Bryant Street, N 1 465 200 Water Pump 301 Bryant Street, N 3 129729 Masonry/steel truss roof 201 Storage Bins 301 Bryant Street, N 1 20 202 Meter Shop 301 Bryant Street, N 2 1968 28582 Concrete bldg/ masonry walls 203 BR-4 Meter Measurement Bldg Combined 204 BR-5 Tool Shed non-process 205 BR-6 Sewer Pumping Station Process 206 BR-7 Guard Shack #1 non-process O Street 207 O-1 Warehouse non-process 208 O-10 Boat Trailer at 125 O Street non-process 209 O-11 Swirl Facility Process 210 O-12 Communications Shack non-process 211 O-13 Boat House (M Street) non-process 212 O-2 Fleet Bldg non-process 213 O-3 Sewer Service Headquarters non-process 214 O-4 Trailers in Sewer Service Repair Yard non-process 215 O-5 Sewer Pumping Station Process 216 O-6 DMS Welding Shop non-process 217 O-7 Sewer Service Bldg F Process 218 O-8 Sewer Service Bldg E Process 219 O-9 Sewer Service Salt Yard Process 220 Main Pumping Station Building H 125 O Street 1 1903 94480 Concrete Block 221 O street Pumping Station/BLDG K 125 O Street 1 77103 Concrete Block 222 Carpenter Shop/Sewer Maintenance 125 O Street 1 16000 Masonry Const/Wood Roof DCWATER MASTER BUILDINGS LOCATIONS

Process/ Non- Floor Yr Item Bldg No. Facility Name Address Validation Sq. Ft. Const. Description Process s Built 223 Mobile Equip. Pm Shop - Fleet RE 125 O Street 1 40934 Masonry Const/Wood Roof 224 North Garage 125 O Street 1 30000 Masonry Const/Wood Roof 225 Building A(Welding Shop) 125 O Street 1 11000 Masonry Const/Wood Roof 226 Building G(Trailer 2) - removed 125 O Street 1 3108 All Steel 227 Lumber Shed/Building E 125 O Street 1 2440 Masonry Const/Wood Roof 228 Trailer D1 (Construction Crew) 125 O Street 1 7920 All Steel 229 Trailer D3 (Construction Crew) 125 O Street 1 7920 All Steel 230 Trailer D2 (Construction Crew) 125 O Street 1 7920 All Steel 231 Radio Shed (DC Police) 125 O Street 1 102 All Steel 232 OAS Shed/ Security - removed 125 O Street 1 168 All Steel 233 OAS Shed/ Security - removed 125 O Street 1 80 234 Lumber Shed 125 O Street 1 1092 235 O Street Station 125 O Street 2 1955 37236 Concrete/masonry bldg 236 Radio Shed 125 O Street 1 100 237 Carpenter Shop/Sewer Maintenance 125 O Street 1 9990

Satellite Locations 238 SL-1 Reno Pumping Station Combined 3900 Donaldson Place 1 1960 4394 Masonry Const/Wood Roof 239 SL-10 Screening Chamber Process 2637 Barry Rd SE 1 1300 masonry const/wood roof 240 SL-11 Portland Pumping Station Process 110 Portland St Bridge SE 1 1941 144 masonry const/wood roof 241 SL-12 Poplar Point Substation Process 2600 South Capitol St SE 1 1915 7510 masonry const/wood roof 242 SL-13 14th Street Pumping Station Process 298 14th Street Bridge SW 1 1959 800 masonry const/wood roof 243 SL-14 12th & Main Pumping Station Process 10 12 th Street SW 1 1959 187 masonry const/wood roof 244 SL-15 9th & D Street Pumping Station Process 430 9th Street, SW 1 1959 2560 masonry const/wood roof 245 SL-16 3rd & Constitution Pumping Station (Not in Service) Process 3rd & Constitution Ave NW 1 1800 All Reinforced Concrete 246 SL-17 Storm Water Pumping Station Process 12th & Constituition Ave NW 1 1959 108 masonry const/wood roof 247 SL-18 Storm Water Pumping Station Process 23rd Street & Virginia Ave NW 1 1942 200 masonry const/wood roof 248 SL-19 26th & K Pumping Station Process 26th & K Street NW 1 1963 1800 masonry const/wood roof 249 Rock Creek Pumping Station 26th & K Street NW 1 2672 masonry const/wood roof 250 SL-2 Reno Administration Bldg non-process 251 SL-20 Scott Circle Pumping Station - Process 18th Street & Scott Circle NW 1 1940 252 masonry const/wood roof 252 SL-21 Storm Water Pumping Station Process New Hampshire & Virginia Ave NW 1 1961 1400 masonry const/wood roof 253 SL-23 Potomac Sewer Process 2700 NW 9New Bridge) 1 34982 masonry const/wood roof 254 SL-24 Upper Anacostia Sewer Pumping Station Process 708 Anacostia Ave 1 1850 masonry const/wood roof 255 SL-25 Earl Place Pumping Station Process South Dakota & Earl Place NE 1 80 masonry const/wood roof 256 SL-26 South RFK Swirl Facility Process 1900 C Street SE 1 100000 All Reinforced Concrete 257 SL-27 East RFK Pumping Station Process 1900 C ST. NE 1 3950 masonry const/wood roof 258 SL-28 Pumping Station Process 16th & alaska Street NW 1 400 masonry const/wood roof 259 SL-29 Eastern Ave Pumping Station Process Eastern Ave & Addison Rd NE 1 1935 255 masonry const/wood roof 260 SL-3 Reno Pumping Station (Old) Inactive Process 3900 Donaldson Place 261 SL-30 Vault Process 20th & East Capitol Ave NE 1 4400 All Reinforced Concrete 262 SL-31 Pumping Station Process Benning Road & Kenilworth Ave 1 1953 216 masonry const/wood roof 263 SL-32 Pumping Station Process 264 SL-33 56th & Dix NE Pumping Station Process 265 SL-34 Rock Creek Bethesda Process 266 SL-35 Benning Road & I-295 Process DCWATER MASTER BUILDINGS LOCATIONS

Process/ Non- Floor Yr Item Bldg No. Facility Name Address Validation Sq. Ft. Const. Description Process s Built 267 SL-36 Southern Ave and E Street Process 268 SL-37 Fort Lincoln Process 269 SL-38 Eastover Pumping Station Process 270 SL-39 Deane Avenue Storm Water Pump. Station Process 981 Kenilworth Ave. NE 271 SL-4 Tank Enclosed Storm Tower (Reno) Process 272 SL-40 22nd & Minnesota Ave SE Process 273 SL-41 Half & L Streets SE Process 274 SL-42 1416 2nd Place NE Process 275 SL-44 Brentwoord Resevoir - Brentwood & Mt Olivet Roads Process 276 SL-45 Dulles Inteceptor Process 277 SL-46 Del Carlia Process 278 SL-47 Fort Stanton - 18th & Erie Street NE Process 279 SL-48 Potomac Sewer Pumping Station - Rt 66 & Constitutions Ave Process 280 SL-49 810 First Street NE Non-Process 281 SL-5 4th & Highwater (inactive) Reno N/A 282 SL-6 1st & Canal Pumping Station Process 1st & Canal streets 1 1968 2280 masonry const/wood roof 283 SL-7 Anacostia Pumping Station Process 1801 Minnesota Avenue 1 1898 13474 masonry const/wood roof 284 SL-8 Trailer at Anacostia Pumping Station Non-Process 1801 Minnesota Avenue 1 300 All Steel 285 SL-9 Outside Storage at Anacostia Pumping Station Non-Process 1801 Minnesota Avenue 1 1900 All Steel 286 Storage Shed 1801 Minnesota Avenue 1 1991 1938 All Steel 287 Shed 1800 Minnesota Avenue 1 1900 288 Anacostia Pumping Station 1800 Minnesota Avenue 1 486 289 Trailer 1800 Minnesota Avenue 1 600 290 Fenced in Lot - Stadium Property Potomac Ave. & Half 1 0 Uknown 291 Unimproved Lot with Fence W. Potomac Ave. & Half, SW 1 0 Uknown 292 New Elevated Tank 3900 Donaldson Place 1 1940 0 masonry const/wood roof 293 Water Quality Office 3900 Donaldson Place 1 1970 3000 All Reinforced Concrete 294 Old Reno Pumping Station (Inactive) 3900 Donaldson Place 1 1425 All Reinforced Concrete 295 Old Elevated Tank and House (Inactive) 3900 Donaldson Place 1 2290 All Reinforced Concrete 296 New Reno Pumping Station 3900 Donaldson Place 1 4394 297 Thomas Circle Storm Pumping Station Massachusetts & Thom 1 1938 384 masonry const/wood roof 298 Soil Storage Bins 200 Mcmillan Drive 1 500 All Steel 299 Employee Parking Lot and Storage 200 Mcmillan Drive 1 50000 All Reinforced Concrete 300 Prefab. Metal Building 300 Mcmillan Drive 1 25000 All Steel 301 27th & K Storm Pumping Station 940 26th street NW 20037 1 2672 masonry const/wood roof 302 1st and D storm Water Pumping Station First and D street, SW 1 1964 2500 Non Comb Steel Frame 303 Outfall Gates South Capital and 1 S 1 255 Masonry Const/Wood Roof 304 Eastway Warehouse 5010 Overlook Ave, 1 13630 Non Comb Steel Frame 305 Butterfly Valve Vault Haynes Street NE 1 100 Masonry Const/Wood Roof 306 Water Measurement 415 12th Street, NW 1 222197 All Reinforced Concrete 307 Underground Reservior - 25 MG Brendwood Reservior 1 0 All Reinforced Concrete 308 Underground Reservior - 15 MG Soldiers Home Reservior 1 0 All Reinforced Concrete 309 Underground Reservior - 504 MG Reno Road Reservior 1 0 All Reinforced Concrete 310 Underground Reservior - 3 MG & 1 Fort Stanton Reservior 1 0 All Reinforced Concrete 311 Elevated Water Tanks - .5 & 2 MG Anacostia Water Tank 1 0 Non Comb Steel Frame DCWATER MASTER BUILDINGS LOCATIONS

Process/ Non- Floor Yr Item Bldg No. Facility Name Address Validation Sq. Ft. Const. Description Process s Built 312 Sanitary Sewers Underground Piping 1 0 All Steel 313 Storm Sewers Underground Piping 1 0 All Steel 314 Water Piping Underground Piping 1 0 All Steel 315 Water Mains 2 Inch - 78 Inch - 1 Underground Piping 1 0 All Steel 316 Valves - 39000 Underground Piping 1 0 All Steel 317 Hydrants - 9500 Underground Piping 1 0 All Steel 318 Pumping Station 1340 N STS. SE 1 83410 319 Pumping Station 298 14th St. Bridge SW 1 800 320 Eastside Sewer Pumping station 2600 Independence Ave. SE 20003 321 Main & O street Sewer Pumping Station 2nd St. SE & N PI SE 322 Stormwater Pumping Station Minnesota Ave NE & Deane Ave NE 323 Anacostia Pumping Station # WSSC Service Ln & Deane Ave NE 324 Eastern Ave Pumping Station Eastern Ave NE & Minnesota Ave NE 325 Poplar Point Pumping Station & CSO structure 2200 S. Capitol St. SE, 20020 326 9th & D st. Stormwater Pumping Station Southwest Freeway & 9th Street SW 327 14th St. Bridge Storm Pumping Station Take Potomac Exit from VA - Go right 328 Stormwater Pumping Station South Capital st. & Malcolm X Ave SE 329 Portland st. Storm Pumping Station Intersection of Malcolm X Blvd & I - 295 330 Rock Creek Sewer Pumping Station 940 26th street NW 20037 331 Potomac Sewer Pumping Station 26th & Const. Ave NW 332 Potomac Sewage Pumping Station Underneath Intersection of Rt. 66 333 Rock Creek Sewer Pumping Station Rock CreekPkway & K Street NW 334 1st & D st. Stormwater Pumping Station 51 D Street SW 335 Fort Reno Pumping Station 4800 39th St. NW 336 16th & Alaska Pumping Station 7000 Alaska Av. NW 337 Stormwater Pumping Station 4102 Deane AV. NE 338 Stormwater Pumping Station 1501 Eastern Ave. NE, 20019 339 Stormwater Pumping Station 100 S. Capital Portland St. SE 340 Anacostia Pumping Station 1716 18th st. SE & 1801 18th St. SE 341 Bryant St. Pumping Station 100 2nd Bryant St. NW 342 Trailer 1402 First St. SE 1100 343 Storage 1402 First St. SE 4000 344 Guard House 1402 First St. SE 120 345 Paint Shop 402 1st st. SE 2240 346 Potomac Salt Yard 55 Potomac Ave. SW 136 347 1st & D st. # 152 51 D Street SW 2132 348 Anacostia OPES Storage Facility 1st & D st. SW 13350 349 Reno Garage & Lodge 4820 Howard St. NW 2250 350 Swirl Facility South RFK ? 351 Vault East Capitol & 20th Street NE 4400 352 Warehouse (Land, 180,938) 1725 Fenwick st. NE 2 45000 Concrete /masonry 353 Warehouse (Land, 29948) 1735 15th Street NE 2 72500 Concrete/masonry 354 Pumping Station N Street 3 83410 Concrete & masonry/steel truss roof 355 Nitrofication Blower 1 1973 52992 Concrete Frame/masonry 356 Estuary Warehouse Des. 1 1977 9322 DCWATER MASTER BUILDINGS LOCATIONS

Process/ Non- Floor Yr Item Bldg No. Facility Name Address Validation Sq. Ft. Const. Description Process s Built 357 River Debris removal facility 1505 M st. SE 358 Swirl Facility & CSO Structure 24 2600 Independence Ave. SE 359 CSO Structure # 14 Nw of Main Sewage Pumping Station 360 CSO Structure # 15 S Capitol st. SE & E st. SW 361 CSO Structure # 15 A L st. SE & Half St. SE 362 CSO Structure # 16 East of Main Sewage Pumping Station 363 CSO Structure # 24 Parking lot East of DC General Hospital NE 364 Eastside - Storm PS To the rear of DC General Hospital 365 12th & Constitution Ave NW Constitution Ave NW & 12th St. NW 366 Scott Circle Storm PS Scott Circle 367 Metering Site or CSO P st. NW & Rock Creek Pkwy NW 368 Metering Site 8000 E Beach Dr. NW 369 Chain Bridge Metering or Water Trans Loughboro Rd NW & Chain Bridge Rd NW 370 Chain Bridge Sewer Meters Canal Rd. (bt Arizona & Chain br. Rd.) NW 371 Watts Branch Metering Site 400 56th St. NE 372 Watts Branch Flume 400 56th St. NE 373 Oxon Run Metering Site Sourthern Ave SE & Mississippi Ave. SE 374 Screens and Outfall gates 2627 Barry Rd. SE, 20020 375 Belt Rd Flume Belt Rd & Southern Ave 376 CSO Structure # 5 Poplar Point - Howard Rd SE 377 Oxon Run Flume 1901 Mississippi Ave, SE, 20032 378 Valley Drive metering site 1212 Valley Ave SE 379 8th & Chesapeake Flume Chesapeake St. SE & 8th St. Se 380 Bolling Air Force Base Field Screen Chain Bolling Air Force Base 381 CSO Structure # 2 Bolling AFB, Mc Guire Ave SW & Eglin Way SW 382 CSO Structure # 4 Bolling AFB, Angell St & Vandenberg St. SW 383 Outfall Sluice Gates S Capitol st. SE & Firth Sterling Ave SE 384 CSO Structure # 52 M St. NW & 22nd St. NW 385 CSO Structure # 52 A N St. NW & 22nd St. NW 386 CSO Structure # 34 Constitution Ave. NW & 23rd St. NW 387 CSO Structure # 15 L Constitution Ave. NW & 15th St. NW 388 CSO Structure # 35 Parking lot East of Kennedy Center 389 Metering Site Belt Rd. & Pennsylvania Ave. Capitol Heights, MD 390 Owens Road metering site 732 Bonini Rd, SE, 20032 391 Metering Site Indian Head Hwy & Audrey Ln. Oxon Hill, MD 392 Owens Road Flume 732 Bonini Rd, SE, 20032 393 Suitland metering site Suitland Pkwy & Naylor Rd. Hilcrest Heights. MD 394 Little Falls Metering Site WSSC Boxwood Rd. Bethesda, MD 395 Potomac Intersection MH # 2 Lock 6 C&O Canal Off Clara Barton Pk 396 Upper Potomac Interceptor - WSSC Broad St & Ridge Dr. Bethesda, MD 397 Outfall Gate 295-S Capital St SE 398 Meter Gate 100 Suitland S Dak Ave SE 399 1st & Canal Storm PS Parallel to Washington Ave. 400 3rd & Constitution Pumping Station 401 CSO Structure # 1 DCWATER MASTER BUILDINGS LOCATIONS

Process/ Non- Floor Yr Item Bldg No. Facility Name Address Validation Sq. Ft. Const. Description Process s Built 402 CSO Structure # 1 A 403 Rock Creek Meter Site - WSSC Off Beach Dr NW in Rock Creek Park 404 Valley Drive Flume Valley Drive & Sergeant Rd. 405 Bryant St. Transmitter 402 Mcmillan Dr. NW 406 Ft. Reno elevated tank 1 - abandoned 3900 Donaldson Pl NW 407 Ft. Reno - water quality bldg 4903 Derussey st. NW 408 Ft. Reno elevated tank 2 100 39th St. Donaldson Pl NW 409 Pressure trans 100 Wiscav Rodman St. NW 410 Pressure trans 100 Georgia Av. Blair Rd. NW 411 Brentwood Reservoir 66 New York Av. NE 412 Valves 100 6th st. & M st. NE 413 Ft. Stanton reservoirs 1820 Erie Street SE 20020 414 Good Hope elevated tank 2422 25th Street, SE, 20020 415 Boulevard tank 100 Blvd & Ala Ave. SE 416 Boiler house at Anacosta p/s 1801 Minnesota Ave. SE 417 Metering site 8000 E Beach Dr. NW 418 Barnaby Branch metering site 4250 8th st. SE 419 Level monitoring site 100 15th St. Const Av NW 420 CSO Structures 24 A - D 100 21st Stecap A st. NE