| Dams |
| Maryland |
| Feature Name | County | Class | Latitude | Longitude | 1:24,000 USGS Topographic Map |
Elevation in Feet |
Feature ID# |
| Don Pleasant Dam | Allegany | Dam | 393748N | 0783511W | Flintstone | 879 | 594389 |
| Guard Lock Number 8 | Allegany | Dam | 393850N | 0784550W | Cumberland | 617 | 1713416 |
| Lock 57 | Allegany | Dam | 393740N | 0782149W | Bellegrove | 446 | 1713426 |
| Lock 58 | Allegany | Dam | 393702N | 0782341W | Paw Paw | 499 | 1713532 |
| Lock 59 | Allegany | Dam | 393624N | 0782545W | Paw Paw | 466 | 1713533 |
| Lock 60 | Allegany | Dam | 393500N | 0782355W | Paw Paw | 469 | 1713534 |
| Lock 61 | Allegany | Dam | 393529N | 0782629W | Paw Paw | 466 | 1713535 |
| Lock 67 | Allegany | Dam | 393132N | 0783158W | Oldtown | 538 | 1713536 |
| Lock 68 | Allegany | Dam | 393149N | 0783516W | Oldtown | 541 | 1713537 |
| Lock 69 | Allegany | Dam | 393221N | 0783604W | Oldtown | 531 | 1713538 |
| Lock 70 | Allegany | Dam | 393233N | 0783710W | Oldtown | 551 | 1713539 |
| Lock 71 | Allegany | Dam | 393243N | 0783728W | Oldtown | 574 | 1713540 |
| Lock 72 | Allegany | Dam | 393422N | 0784342W | Patterson Creek | 561 | 1713483 |
| Lock 73 | Allegany | Dam | 393514N | 0784359W | Patterson Creek | 581 | 1713484 |
| Lock 74 | Allegany | Dam | 393517N | 0784405W | Patterson Creek | 568 | 1713485 |
| Paul Roeder Farm Pond Dam | Allegany | Dam | 393142N | 0783241W | Oldtown | 554 | 594496 |
| Pinto Utilities Dam | Allegany | Dam | 393506N | 0785141W | Cresaptown | 1070 | 594332 |
| Rocky Gap Dam | Allegany | Dam | 394203N | 0783944W | Evitts Creek | 1145 | 594348 |
| Saint Marys River Watershed Number 1 Dam | Allegany | Dam | 381506N | 0763205W | Hollywood | 59 | 594270 |
| Annapolis Reservoir Dam | Anne Arundel | Dam | 385920N | 0763400W | South River | 20 | 594451 |
| Burba Lake Dam | Anne Arundel | Dam | 390542N | 0764411W | Odenton | 128 | 594338 |
| Heritage Harbour Site One Dam | Anne Arundel | Dam | 385836N | 0763529W | South River | 102 | 594481 |
| Lake of the Pines Dam | Anne Arundel | Dam | 385800N | 0763829W | Bowie | 85 | 594384 |
| Lake Waterford Dam | Anne Arundel | Dam | 390651N | 0763334W | Round Bay | 26 | 594482 |
| Saefern Recreation Lake Dam | Anne Arundel | Dam | 390047N | 0763222W | Round Bay | 36 | 594326 |
| Soldier Lake Dam | Anne Arundel | Dam | 390454N | 0764359W | Odenton | 112 | 594340 |
| Bloede Dam | Baltimore | Dam | 391450N | 0764540W | Savage | 52 | 594477 |
| Clear Spring Water Reservoir Dam | Baltimore | Dam | 391530N | 0764223W | Baltimore West | 164 | 594281 |
| Damiels Dam | Baltimore | Dam | 391854N | 0764911W | Ellicott City | 220 | 594453 |
| Lake Roland Dam | Baltimore | Dam | 392243N | 0763836W | Cockeysville | 223 | 598363 |
| Liberty Dam | Baltimore | Dam | 392237N | 0765326W | Finksburg | 407 | 585410 |
| Liberty Dam | Baltimore | Dam | 392236N | 0765326W | Finksburg | 371 | 594222 |
| Loch Raven Dam | Baltimore | Dam | 392549N | 0763237W | Towson | 230 | 585529 |
| Pikesville Reservoir Dam | Baltimore | Dam | 392306N | 0764347W | Cockeysville | 538 | 594406 |
| Prettyboy Dam | Baltimore | Dam | 393711N | 0764227W | Hereford | 522 | 586702 |
| Prettyboy Dam | Baltimore | Dam | 393712N | 0764229W | Hereford | 518 | 594218 |
| Union Dam | Baltimore | Dam | 391741N | 0764649W | Ellicott City | 171 | 587964 |
| Union Dam | Baltimore | Dam | 391742N | 0764647W | Ellicott City | 197 | 594490 |
| Druid Hill Lake Dam | Baltimore (city) | Dam | 391800N | 0763735W | Baltimore West | 135 | 598371 |
| Guilford Reservoir Dam | Baltimore (city) | Dam | 392054N | 0763659W | Baltimore East | 348 | 598365 |
| Lake Ashburton Dam | Baltimore (city) | Dam | 391912N | 0764002W | Baltimore West | 335 | 598369 |
| Lake Montebello Dam | Baltimore (city) | Dam | 391952N | 0763504W | Baltimore East | 171 | 598367 |
| Montebello Waste Water Lake Dam | Baltimore (city) | Dam | 392012N | 0763459W | Baltimore East | 187 | 598373 |
| Pecks Branch Dam | Baltimore (city) | Dam | 391924N | 0764017W | Baltimore West | 364 | 598361 |
| Bowens Farm Pond Dam | Calvert | Dam | 383018N | 0763653W | Prince Frederick | 75 | 594535 |
| Chesapeake Ranch Club Dam | Calvert | Dam | 382148N | 0762459W | Solomons Island | 72 | 594289 |
| Columbia Lng Secondary Dam | Calvert | Dam | 382324N | 0762459W | Cove Point | 72 | 594553 |
| Gordon Farm Pond Dam | Calvert | Dam | 383542N | 0763441W | Prince Frederick | 102 | 594534 |
| Shores of Clvert Dam Number One | Calvert | Dam | 384424N | 0764047W | Lower Marlboro | 33 | 594387 |
| Lake Bonnie Dam | Caroline | Dam | 390112N | 0754635W | Goldsboro | 23 | 594404 |
| Nagels Mill Pond Dam | Caroline | Dam | 384642N | 0755223W | Hobbs | 30 | 594354 |
| Scull Farm Pond Dam | Caroline | Dam | 384936N | 0755341W | Fowling Creek | 16 | 594527 |
| Smithville Lake Dam | Caroline | Dam | 384600N | 0754559W | Hobbs | 49 | 594306 |
| Smithville Lake Dam | Caroline | Dam | 384625N | 0754346W | Hickman | 36 | 594439 |
| Tuckahoe State Park Dam | Caroline | Dam | 385800N | 0755635W | Ridgely | 10 | 594479 |
| Williston Mill Dam | Caroline | Dam | 384950N | 0755047W | Hobbs | 36 | 594412 |
| Black and Decker Manufacturing Company Dam | Carroll | Dam | 394000N | 0770029W | Littlestown | 594 | 594264 |
| Black and Decker Manufacturing Company Dam | Carroll | Dam | 393512N | 0765117W | Hampstead | 778 | 594510 |
| Black and Decker Stormwater Pond Dam | Carroll | Dam | 393518N | 0765053W | Hampstead | 797 | 594512 |
| Cascade Lake Dam | Carroll | Dam | 393659N | 0765318W | Westminster | 722 | 595086 |
| County Home Farm Pond Dam | Carroll | Dam | 393324N | 0765947W | Westminster | 732 | 595084 |
| Cranberry Branch Dam | Carroll | Dam | 393612N | 0775729W | Hedgesville | 469 | 594268 |
| Cranberry Branch Dam | Carroll | Dam | 393600N | 0765747W | Westminster | 699 | 595082 |
| Piney Run Dam | Carroll | Dam | 392300N | 0765859W | Finksburg | 646 | 594460 |
| Back Creek Dam | Cecil | Dam | 393048N | 0754653W | Elkton | 0 | 594540 |
| Bohemia Mills Dam | Cecil | Dam | 392754N | 0754629W | Cecilton | 23 | 594495 |
| Conowingo Dam | Cecil | Dam | 393939N | 0761024W | Conowingo Dam | 82 | 583868 |
| Court House Point Disposal Area Dam | Cecil | Dam | 393006N | 0755229W | North East | 39 | 594461 |
| Disposal Area 18 Dam | Cecil | Dam | 393130N | 0754729W | Elkton | 49 | 594467 |
| Disposal Area Number 19 Dam | Cecil | Dam | 393130N | 0754941W | Elkton | 43 | 594469 |
| Disposal Area Number 21 Dam | Cecil | Dam | 393230N | 0755029W | Elkton | 39 | 594471 |
| Frazers Lake Dam | Cecil | Dam | 392612N | 0755305W | Earleville | 7 | 594395 |
| Grove Point Disposal Area Dam | Cecil | Dam | 392318N | 0760111W | Spesutie | 10 | 594465 |
| Mason Dixon Original Settling Pond Dam | Cecil | Dam | 393636N | 0760141W | Havre De Grace | 249 | 594416 |
| Mason-Dixon Sand and Gravel Company of Pennsylvania Dam | Cecil | Dam | 393718N | 0760229W | Havre De Grace | 217 | 594313 |
| Mason-Dixon Settling Pond Number Five Dam | Cecil | Dam | 393700N | 0760111W | Havre De Grace | 344 | 594558 |
| Mason-Dixon Settling Pond Number Four Dam | Cecil | Dam | 393700N | 0760111W | Havre De Grace | 344 | 594557 |
| Mason-Dixon Settling Pond Number One Dam | Cecil | Dam | 393648N | 0760123W | Havre De Grace | 322 | 594554 |
| Mason-Dixon Settling Pond Number Six Dam | Cecil | Dam | 393700N | 0760053W | Havre De Grace | 367 | 594559 |
| Mason-Dixon Settling Pond Number Three Dam | Cecil | Dam | 393648N | 0760105W | Havre De Grace | 325 | 594556 |
| Mason-Dixon Settling Pond Number Two Dam | Cecil | Dam | 393648N | 0760105W | Havre De Grace | 325 | 594555 |
| Octoraro Lakes Dam | Cecil | Dam | 394206N | 0760735W | Conowingo Dam | 138 | 594358 |
| Panagopulos Farm Pond Dam | Cecil | Dam | 392654N | 0755617W | Earleville | 30 | 594530 |
| Pearce Creek Disposal Area Dam | Cecil | Dam | 392554N | 0755859W | Earleville | 39 | 594463 |
| Rising Sun Waste Water Lagoon Dam | Cecil | Dam | 394224N | 0760447W | Rising Sun | 259 | 594445 |
| Stancills Inc Settling Pond Dam | Cecil | Dam | 393406N | 0760153W | Havre De Grace | 33 | 594334 |
| Jameson Dam | Charles | Dam | 383048N | 0764829W | Hughesville | 138 | 594287 |
| McAllister Pond Number One Dam | Charles | Dam | 383136N | 0765559W | La Plata | 79 | 594515 |
| Myrtle Grove Lake Dam | Charles | Dam | 383354N | 0770453W | Port Tobacco | 56 | 594531 |
| Trinity Church Dam | Charles | Dam | 382730N | 0765129W | Charlotte Hall | 52 | 594285 |
| Wheately Dam | Charles | Dam | 382912N | 0765129W | Charlotte Hall | 118 | 594328 |
| Galestown Millpond Dam | Dorchester | Dam | 383406N | 0754253W | Sharptown | 7 | 594432 |
| Goose Dam | Dorchester | Dam | 382812N | 0761514W | Taylors Island | 0 | 584655 |
| Higgins Millpond Dam | Dorchester | Dam | 383106N | 0755753W | East New Market | 0 | 594436 |
| Hurlock Oxidation Ponds Dam | Dorchester | Dam | 383636N | 0755035W | Rhodesdale | 36 | 594449 |
| Maple Dam (historical) | Dorchester | Dam | 383059N | 0760452W | Cambridge | 0 | 596607 |
| Maryland Noname 3 Dam | Dorchester | Dam | 384030N | 0755259W | Preston | 13 | 594455 |
| Bond Farm Pond Dam | Frederick | Dam | 393354N | 0773229W | Myersville | 1033 | 594504 |
| Damazo Pond Dam | Frederick | Dam | 392142N | 0773829W | Harpers Ferry | 528 | 594502 |
| Emmitsburg Dam | Frederick | Dam | 394142N | 0772317W | Blue Ridge Summit | 889 | 594252 |
| Fishing Creek Dam | Frederick | Dam | 393130N | 0772741W | Catoctin Furnace | 666 | 594248 |
| Haul Road Dam | Frederick | Dam | 392542N | 0771935W | Walkersville | 541 | 594356 |
| Hunting Creek Dam | Frederick | Dam | 393742N | 0772735W | Blue Ridge Summit | 1030 | 594324 |
| Lake Jennifer Dam | Frederick | Dam | 392442N | 0770929W | Libertytown | 548 | 594428 |
| Lake Linganore Dam | Frederick | Dam | 392454N | 0771738W | Walkersville | 394 | 594258 |
| Lock 30 | Frederick | Dam | 391841N | 0773748W | Harpers Ferry | 243 | 1712127 |
| Lock Number 28 | Frederick | Dam | 391654N | 0773251W | Point of Rocks | 246 | 592448 |
| Lock Number 29 | Frederick | Dam | 391823N | 0773330W | Point of Rocks | 230 | 1712126 |
| Meadowlake Dam | Frederick | Dam | 392500N | 0771935W | Walkersville | 295 | 594350 |
| Saint Clair Farm Pond Dam | Frederick | Dam | 392030N | 0771329W | Damascus | 581 | 594443 |
| Starners Dam | Frederick | Dam | 394155N | 0771256W | Taneytown | 358 | 587532 |
| Upper Pinehurst Dam | Frederick | Dam | 392454N | 0771735W | Walkersville | 433 | 594352 |
| Urbana Dam | Frederick | Dam | 391800N | 0772023W | Urbana | 400 | 594373 |
| Barton Debris Basin Dam | Garrett | Dam | 393230N | 0790159W | Barton | 1581 | 594360 |
| Big Piney Run Dam | Garrett | Dam | 394216N | 0790037W | Avilton | 2349 | 594234 |
| Bittinger Farm Pond Dam | Garrett | Dam | 393736N | 0790047W | Avilton | 2621 | 594501 |
| Broadford Dam | Garrett | Dam | 392428N | 0792216W | Deer Park | 2415 | 583418 |
| Broadford Mountain Lake Dam | Garrett | Dam | 392400N | 0792217W | Deer Park | 2402 | 594424 |
| Browning Dam | Garrett | Dam | 393106N | 0792731W | Sang Run | 2536 | 583437 |
| Deep Creek Hydro-Electric Dam | Garrett | Dam | 393034N | 0792328W | Sang Run | 2461 | 594224 |
| Herrington Creek Dam | Garrett | Dam | 392730N | 0792723W | Oakland | 2411 | 594240 |
| Kemp Farm Pond Dam | Garrett | Dam | 394306N | 0792547W | Friendsville | 1831 | 594546 |
| Lake Louise Dam | Garrett | Dam | 394123N | 0791342W | Grantsville | 2556 | 594414 |
| Little Youghiogheny River Site Number 2 Dam | Garrett | Dam | 392530N | 0792329W | Oakland | 2503 | 595363 |
| Little Youghiogheny River Site Number 5 Dam | Garrett | Dam | 392230N | 0792229W | Oakland | 2421 | 595364 |
| Little Youghiogheny River Site Number 7 Dam | Garrett | Dam | 392524N | 0791817W | Deer Park | 2487 | 594278 |
| Little Youghiogheny Site Number 1 Dam | Garrett | Dam | 392448N | 0792359W | Oakland | 2421 | 594299 |
| McComas Dam | Garrett | Dam | 392724N | 0792753W | Oakland | 2395 | 594488 |
| Meadow Run Dam | Garrett | Dam | 394112N | 0790629W | Avilton | 2621 | 594322 |
| New Germany State Park Dam | Garrett | Dam | 393758N | 0790721W | Avilton | 2470 | 594402 |
| Piedmon Dam | Garrett | Dam | 393003N | 0790654W | Barton | 1270 | 1959313 |
| Piedmont Dam | Garrett | Dam | 393003N | 0790651W | Barton | 1270 | 1952398 |
| Pleasant Valley Run Dam | Garrett | Dam | 393406N | 0791447W | Bittinger | 2575 | 594236 |
| Savage River Dam | Garrett | Dam | 393027N | 0790756W | Bittinger | 1384 | 587226 |
| Atkisson Dam | Harford | Dam | 392836N | 0762021W | Edgewood | 102 | 594342 |
| Briar Ridge Farm Pond Dam | Harford | Dam | 393624N | 0763117W | Phoenix | 646 | 594541 |
| Broad Creek Dam | Harford | Dam | 394130N | 0761547W | Delta | 239 | 594250 |
| Campus Hills Pond Dam | Harford | Dam | 393318N | 0761629W | Bel Air | 400 | 594519 |
| Edgewater Village Dam | Harford | Dam | 392600N | 0761817W | Edgewood | 20 | 594371 |
| Little Deer Creek Watershed Site Number 1 Dam | Harford | Dam | 393736N | 0762959W | Norrisville | 643 | 594276 |
| Little Deer Creek Watershed Site Number 3 Dam | Harford | Dam | 393700N | 0763159W | Phoenix | 640 | 594291 |
| Priestford Hills Dam | Harford | Dam | 393418N | 0761547W | Bel Air | 276 | 594400 |
| Rock Ridge Pond Dam | Harford | Dam | 394000N | 0762111W | Delta | 413 | 594517 |
| Brighton Dam | Howard | Dam | 391134N | 0770019W | Sandy Spring | 331 | 583392 |
| Johns Hopkins University Dam | Howard | Dam | 391430N | 0765611W | Clarksville | 364 | 594254 |
| Lake Elkhorn Dam | Howard | Dam | 391100N | 0765047W | Savage | 292 | 594434 |
| Lake Kittamaqundi Dam | Howard | Dam | 391200N | 0765053W | Savage | 371 | 594475 |
| Riggs Farm Pond Dam | Howard | Dam | 391654N | 0770305W | Woodbine | 449 | 594506 |
| Savage Dam | Howard | Dam | 390811N | 0764957W | Savage | 171 | 1708918 |
| Carpenter Farm Pond Dam | Kent | Dam | 391054N | 0761353W | Rock Hall | 3 | 594526 |
| Chestertown Stabilization Pond Number 1 Dam | Kent | Dam | 391206N | 0760441W | Chestertown | 16 | 594498 |
| Chestertown Stablization Pond Number Two Dam | Kent | Dam | 391212N | 0760441W | Chestertown | 33 | 594500 |
| Cypress Mill Pond Dam | Kent | Dam | 391542N | 0754941W | Millington | 10 | 594382 |
| Elgin Farm Pond Dam | Kent | Dam | 391612N | 0760447W | Betterton | 46 | 594524 |
| Fairlee Lake Dam | Kent | Dam | 391448N | 0761011W | Rock Hall | 13 | 594396 |
| Morgan Creek Branch Dam | Kent | Dam | 391700N | 0760159W | Betterton | 46 | 594262 |
| Riley Mill Pond Dam | Kent | Dam | 392100N | 0755211W | Millington | 7 | 594538 |
| Saint Pauls Millpond Dam | Kent | Dam | 391106N | 0761035W | Rock Hall | 3 | 594398 |
| Watts Farm Pond Dam | Kent | Dam | 391724N | 0760641W | Betterton | 59 | 594523 |
| Brighton Dam | Montgomery | Dam | 391136N | 0770029W | Sandy Spring | 361 | 594226 |
| Churchill Town Sector Dam | Montgomery | Dam | 391118N | 0771659W | Germantown | 407 | 594380 |
| Great Falls Estate Dam | Montgomery | Dam | 390100N | 0771359W | Rockville | 282 | 594308 |
| Inspiration Lake Dam | Montgomery | Dam | 390700N | 0771423W | Rockville | 384 | 594542 |
| Lake Placid Dam | Montgomery | Dam | 390638N | 0771409W | Rockville | 341 | 594544 |
| Lake Walker Dam | Montgomery | Dam | 391006N | 0771229W | Gaithersburg | 387 | 594317 |
| Lake Walker-Pond Number Two Dam | Montgomery | Dam | 390924N | 0771229W | Gaithersburg | 394 | 594551 |
| Lake Whetstone Dam | Montgomery | Dam | 391006N | 0771229W | Gaithersburg | 387 | 594315 |
| Little Falls Dam | Montgomery | Dam | 385656N | 0770742W | Falls Church | 30 | 585463 |
| Little Falls Dam | Montgomery | Dam | 385657N | 0770742W | Falls Church | 30 | 594260 |
| Little Falls Dam | Montgomery | Dam | 385654N | 0770717W | Washington West | 246 | 594459 |
| Lock 10 | Montgomery | Dam | 385820N | 0771007W | Falls Church | 82 | 1713177 |
| Lock 11 | Montgomery | Dam | 385820N | 0771019W | Falls Church | 85 | 1713178 |
| Lock 12 | Montgomery | Dam | 385821N | 0771040W | Falls Church | 98 | 1713179 |
| Lock 13 | Montgomery | Dam | 385820N | 0771046W | Falls Church | 105 | 1713180 |
| Lock 14 | Montgomery | Dam | 385819N | 0771051W | Falls Church | 105 | 1713181 |
| Lock 15 | Montgomery | Dam | 385921N | 0771439W | Falls Church | 118 | 1713057 |
| Lock 16 | Montgomery | Dam | 385931N | 0771439W | Falls Church | 131 | 1713058 |
| Lock 17 | Montgomery | Dam | 385947N | 0771452W | Falls Church | 138 | 1713059 |
| Lock 18 | Montgomery | Dam | 385951N | 0771454W | Falls Church | 141 | 1713060 |
| Lock 19 | Montgomery | Dam | 385955N | 0771454W | Falls Church | 148 | 1713061 |
| Lock 22 | Montgomery | Dam | 390313N | 0771720W | Seneca | 174 | 1712889 |
| Lock 23 | Montgomery | Dam | 390401N | 0771944W | Seneca | 177 | 1712890 |
| Lock 24 | Montgomery | Dam | 390407N | 0772025W | Seneca | 180 | 1712891 |
| Lock 25 | Montgomery | Dam | 390613N | 0772820W | Sterling | 190 | 1712782 |
| Lock 26 | Montgomery | Dam | 391126N | 0772817W | Poolesville | 203 | 1712548 |
| Lock 5 | Montgomery | Dam | 385625N | 0770719W | Washington West | 43 | 1713173 |
| Lock 6 | Montgomery | Dam | 385641N | 0770726W | Washington West | 52 | 1713260 |
| Lock 7 | Montgomery | Dam | 385752N | 0770821W | Falls Church | 56 | 1713174 |
| Lock 8 | Montgomery | Dam | 385815N | 0770939W | Falls Church | 52 | 1713175 |
| Lock 9 | Montgomery | Dam | 385820N | 0771001W | Falls Church | 66 | 1713176 |
| Nirvana Dam | Montgomery | Dam | 390706N | 0771447W | Rockville | 436 | 594320 |
| North Creek Dam | Montgomery | Dam | 391136N | 0771153W | Gaithersburg | 449 | 594420 |
| Swains Lock | Montgomery | Dam | 390153N | 0771436W | Rockville | 167 | 592463 |
| Upper Rock Creek Watershed Site Number 1 Dam | Montgomery | Dam | 390612N | 0770705W | Kensington | 272 | 594310 |
| Upper Rock Creek Watershed Site Number 5 Dam | Montgomery | Dam | 390600N | 0770735W | Rockville | 384 | 594302 |
| Wheaton Regional Park Dam | Montgomery | Dam | 390330N | 0770229W | Kensington | 377 | 594293 |
| Allen Pond Dam | Prince George's | Dam | 385557N | 0764432W | Bowie | 115 | 594441 |
| Cash Creek Dam | Prince George's | Dam | 390212N | 0764729W | Laurel | 144 | 594242 |
| Clinton Regional Park Dam | Prince George's | Dam | 384400N | 0765459W | Piscataway | 115 | 594336 |
| Contee Main Settling Pond Dam | Prince George's | Dam | 390412N | 0765435W | Beltsville | 233 | 594367 |
| Greenbelt Dam | Prince George's | Dam | 390000N | 0765359W | Beltsville | 174 | 594232 |
| Northampton Lake Dam | Prince George's | Dam | 385400N | 0764829W | Lanham | 89 | 594369 |
| Redington Lake Dam | Prince George's | Dam | 390136N | 0764747W | Laurel | 108 | 594410 |
| Rocky Gorge Dam | Prince George's | Dam | 391400N | 0765229W | Clarksville | 430 | 594256 |
| Soil Conservation Service Lake Dam | Prince George's | Dam | 390048N | 0765105W | Laurel | 105 | 594408 |
| Foreman Branch Dam | Queen Anne's | Dam | 391406N | 0765923W | Clarksville | 538 | 594537 |
| Jones Lake Dam | Queen Anne's | Dam | 391448N | 0754905W | Sudlersville | 13 | 594514 |
| Mezick Farm Pond Dam | Queen Anne's | Dam | 390106N | 0760647W | Centreville | 33 | 594344 |
| Owings Farm Pond Dam | Queen Anne's | Dam | 391054N | 0760017W | Chestertown | 36 | 594522 |
| Unicorn Branch Dam | Queen Anne's | Dam | 391500N | 0755159W | Millington | 46 | 594304 |
| Wye Mills Dam | Queen Anne's | Dam | 385618N | 0760453W | Wye Mills | 30 | 594272 |
| Ledford Farm Pond Dam | St. Mary's | Dam | 381948N | 0764241W | Leonardtown | 102 | 594528 |
| Pond Number 3 Dam | St. Mary's | Dam | 381624N | 0762459W | Solomons Island | 23 | 594379 |
| Pond Number Three Dam | St. Mary's | Dam | 381606N | 0762517W | Solomons Island | 20 | 594473 |
| Boyd Farm Pond Dam | Talbot | Dam | 385500N | 0760429W | Wye Mills | 39 | 594521 |
| Easton Primary Sewage Lagoon Dam | Talbot | Dam | 384448N | 0760105W | Trappe | 36 | 594532 |
| Easton Secondary Sewage Lagoon Dam | Talbot | Dam | 384454N | 0760059W | Trappe | 36 | 594533 |
| Talbot Country Club Pond Dam | Talbot | Dam | 384318N | 0760541W | Trappe | 7 | 594525 |
| Blairs Valley Dam | Washington | Dam | 394142N | 0775629W | Clear Spring | 692 | 594330 |
| Dam Number 3 | Washington | Dam | 392002N | 0774504W | Charles Town | 272 | 1714060 |
| Dam Number 4 | Washington | Dam | 392939N | 0774937W | Shepherdstown | 325 | 1714061 |
| Dam Number 5 | Washington | Dam | 393622N | 0775522W | Hedgesville | 354 | 1713878 |
| Green Brier State Park Dam and Dike | Washington | Dam | 393230N | 0773729W | Funkstown | 715 | 594295 |
| Greenbriar State Park Dike Dam | Washington | Dam | 393230N | 0773729W | Funkstown | 715 | 594297 |
| Guard Lock Number 5 | Washington | Dam | 393010N | 0775043W | Williamsport | 335 | 1713901 |
| Guard Lock Number 5 | Washington | Dam | 393622N | 0775522W | Hedgesville | 351 | 1713902 |
| Hancock Sewage Lagoon Dam | Washington | Dam | 394218N | 0780917W | Hancock | 417 | 594391 |
| Lake Jenkins Dam | Washington | Dam | 393814N | 0781816W | Bellegrove | 502 | 594486 |
| Lake Lanahen Dam | Washington | Dam | 393826N | 0781812W | Bellegrove | 505 | 594484 |
| Lock 31 | Washington | Dam | 391945N | 0774050W | Harpers Ferry | 246 | 1714116 |
| Lock 32 | Washington | Dam | 391926N | 0774307W | Harpers Ferry | 256 | 1714117 |
| Lock 33 | Washington | Dam | 391929N | 0774337W | Harpers Ferry | 259 | 1714118 |
| Lock 34 | Washington | Dam | 391958N | 0774418W | Harpers Ferry | 272 | 1714119 |
| Lock 37 | Washington | Dam | 392307N | 0774406W | Keedysville | 295 | 1714122 |
| Lock 38 | Washington | Dam | 392607N | 0774754W | Shepherdstown | 308 | 1714123 |
| Lock 39 | Washington | Dam | 392638N | 0774701W | Shepherdstown | 305 | 1714124 |
| Lock 40 | Washington | Dam | 392910N | 0774639W | Shepherdstown | 318 | 1714125 |
| Lock 45 | Washington | Dam | 393605N | 0774941W | Williamsport | 338 | 1713929 |
| Lock 51 | Washington | Dam | 394135N | 0780855W | Hancock | 407 | 1713654 |
| Lock 52 | Washington | Dam | 394138N | 0780923W | Hancock | 387 | 1713655 |
| Lock 53 | Washington | Dam | 393903N | 0781431W | Hancock | 417 | 1713656 |
| Lock 54 | Washington | Dam | 393729N | 0781729W | Great Cacapon | 430 | 1713935 |
| Lock 55 | Washington | Dam | 393735N | 0781737W | Bellegrove | 443 | 1713657 |
| Lock 56 | Washington | Dam | 393810N | 0781929W | Bellegrove | 443 | 1713658 |
| Lock Number 35 | Washington | Dam | 392012N | 0774505W | Charles Town | 276 | 1714120 |
| Lock Number 36 | Washington | Dam | 392013N | 0774511W | Charles Town | 285 | 1714121 |
| Lock Number 45 | Washington | Dam | 393649N | 0775533W | Hedgesville | 364 | 1713928 |
| Lock Number 46 | Washington | Dam | 393656N | 0775537W | Hedgesville | 364 | 1713930 |
| Lock Number 47 | Washington | Dam | 393702N | 0775649W | Hedgesville | 371 | 1713931 |
| Lock Number 48 | Washington | Dam | 393659N | 0775651W | Hedgesville | 381 | 1713932 |
| Lock Number 49 | Washington | Dam | 393654N | 0775654W | Hedgesville | 397 | 1713933 |
| Lock Number 50 | Washington | Dam | 393651N | 0775655W | Hedgesville | 407 | 1713934 |
| Lower Lake Royer Dam | Washington | Dam | 394237N | 0772945W | Blue Ridge Summit | 1312 | 594346 |
| Mdnoname1 Dam | Washington | Dam | 393830N | 0773429W | Smithsburg | 879 | 594230 |
| Oliver Co Dam | Washington | Dam | 394318N | 0775353W | Clear Spring | 774 | 594536 |
| Potomac River Dam Number 3 | Washington | Dam | 392000N | 0774505W | Charles Town | 272 | 594457 |
| Potomac River Dam Number Four | Washington | Dam | 392942N | 0774929W | Shepherdstown | 308 | 594362 |
| Upper Lake Royer Dam | Washington | Dam | 394230N | 0772953W | Blue Ridge Summit | 1316 | 594494 |
| Warners Gap Hollow Dam | Washington | Dam | 393942N | 0773241W | Smithsburg | 1073 | 594228 |
| Williamsport Power Plant Dam | Washington | Dam | 393542N | 0774946W | Williamsport | 335 | 594422 |
| Allentown Pond Dam | Wicomico | Dam | 381700N | 0754117W | Eden | 7 | 594430 |
| Baron Pond Dam | Wicomico | Dam | 382743N | 0754405W | Hebron | 10 | 594426 |
| Beaglin Park Dam | Wicomico | Dam | 382112N | 0753423W | Salisbury | 10 | 594447 |
| Forks Pond Dam | Wicomico | Dam | 381948N | 0753553W | Salisbury | 23 | 594549 |
| Johnson Dam | Wicomico | Dam | 382230N | 0753559W | Delmar | 3 | 594238 |
| Leonard Pond Dam | Wicomico | Dam | 382524N | 0753359W | Delmar | 26 | 594492 |
| Morris Mill Pond Dam | Wicomico | Dam | 381930N | 0753611W | Salisbury | 20 | 594550 |
| Parker Pond Dam | Wicomico | Dam | 382048N | 0753253W | Salisbury | 36 | 594375 |
| Powellvilles Dam | Wicomico | Dam | 382000N | 0752229W | Wango | 26 | 594246 |
| Rewastico Pond Dam | Wicomico | Dam | 382442N | 0754511W | Mardela Springs | 3 | 594377 |
| Shad Point Bridge Dam | Wicomico | Dam | 382000N | 0753629W | Salisbury | 23 | 594266 |
| Big Millpond Dam | Worcester | Dam | 380121N | 0752737W | Girdletree | 3 | 594365 |
| Bunting Branch Dam | Worcester | Dam | 382706N | 0771159W | Nanjemoy | 52 | 594274 |
| Pocomoke City Sewage Lagoon Number One Dam | Worcester | Dam | 380306N | 0753359W | Pocomoke City | 20 | 594547 |
| Pocomoke City Sewage Lagoon Number Two Dam | Worcester | Dam | 380254N | 0753353W | Pocomoke City | 26 | 594548 |