Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Pry Ford | Crossing | 103 | Washington | 39 29 00 N | 077 43 04 W |
| Rowsers Ford | Crossing | 55 | Montgomery | 39 03 52 N | 077 19 54 W |
| Snavelys Ford | Crossing | 96 | Washington | 39 26 24 N | 077 44 06 W |
| Spinks Ferry (historical) | Crossing | 59 | Montgomery | 39 13 08 N | 077 27 30 W |
| Stulls Ford | Crossing | 103 | Frederick | 39 34 43 N | 077 19 53 W |
| Tred Avon Ferry | Crossing | -3 | Talbot | 38 41 55 N | 076 10 39 W |
| Upper Ferry | Crossing | 2 | Wicomico | 38 20 28 N | 075 41 45 W |
| White Haven Ferry | Crossing | -3 | Wicomico | 38 16 02 N | 075 47 19 W |
| Whites Ford | Crossing | 59 | Montgomery | 39 11 39 N | 077 28 26 W |
| Wiley Ford | Crossing | 182 | Allegany | 39 37 18 N | 078 46 24 W |
| Allen Pond Dam | Dam | 36 | Prince George's | 38 55 57 N | 076 44 32 W |
| Allentown Pond Dam | Dam | 1 | Wicomico | 38 17 00 N | 075 41 17 W |
| Annapolis Reservoir Dam | Dam | 7 | Baltimore | 38 59 18 N | 076 33 59 W |
| Atkisson Dam | Dam | 30 | Harford | 39 28 36 N | 076 20 21 W |
| Back Creek Dam | Dam | 0 | Cecil | 39 30 48 N | 075 46 53 W |
| Baron Pond Dam | Dam | 4 | Wicomico | 38 27 43 N | 075 44 05 W |
| Barton Debris Basin Dam | Dam | 486 | Garrett | 39 32 30 N | 079 01 59 W |
| Beaglin Park Dam | Dam | 5 | Wicomico | 38 21 12 N | 075 34 23 W |
| Big Millpond Dam | Dam | 0 | Worcester | 38 01 21 N | 075 27 37 W |
| Big Piney Run Dam | Dam | 716 | Garrett | 39 42 18 N | 079 00 35 W |
| Bittinger Farm Pond Dam | Dam | 798 | Garrett | 39 37 36 N | 079 00 47 W |
| Black and Decker Manufacturing Company Dam | Dam | 181 | Carroll | 39 40 00 N | 077 00 29 W |
| Black and Decker Manufacturing Company Dam | Dam | 244 | Carroll | 39 35 12 N | 076 51 17 W |
| Black and Decker Stormwater Pond Dam | Dam | 249 | Carroll | 39 35 18 N | 076 50 53 W |
| Blairs Valley Dam | Dam | 213 | Washington | 39 41 42 N | 077 56 29 W |
| Bloede Dam | Dam | 21 | Baltimore | 39 14 48 N | 076 45 41 W |
| Bohemia Mills Dam | Dam | 8 | Cecil | 39 27 54 N | 075 46 29 W |
| Bond Farm Pond Dam | Dam | 315 | Frederick | 39 33 54 N | 077 32 29 W |
| Bowens Farm Pond Dam | Dam | 21 | Calvert | 38 30 18 N | 076 36 53 W |
| Boyd Farm Pond Dam | Dam | 12 | Talbot | 38 55 00 N | 076 04 29 W |
| Briar Ridge Farm Pond Dam | Dam | 199 | Harford | 39 36 24 N | 076 31 17 W |
| Brighton Dam | Dam | 103 | Howard | 39 11 34 N | 077 00 19 W |
| Brighton Dam | Dam | 111 | Montgomery | 39 11 36 N | 077 00 29 W |
| Broad Creek Dam | Dam | 79 | Harford | 39 41 30 N | 076 15 47 W |
| Broadford Dam | Dam | 748 | Garrett | 39 24 28 N | 079 22 14 W |
| Broadford Mountain Lake Dam | Dam | 735 | Garrett | 39 24 00 N | 079 22 17 W |
| Browning Dam | Dam | 782 | Garrett | 39 31 06 N | 079 27 31 W |
| Bunting Branch Dam | Dam | 18 | Worcester | 38 27 06 N | 077 11 59 W |
| Burba Lake Dam | Dam | 42 | Anne Arundel | 39 05 42 N | 076 44 11 W |
| Campus Hills Pond Dam | Dam | 127 | Harford | 39 33 18 N | 076 16 29 W |
| Carpenter Farm Pond Dam | Dam | 3 | Kent | 39 10 54 N | 076 13 53 W |
| Cascade Lake Dam | Dam | 222 | Carroll | 39 37 00 N | 076 53 17 W |
| Cash Creek Dam | Dam | 44 | Prince George's | 39 02 12 N | 076 47 29 W |
| Chesapeake Ranch Club Dam | Dam | 21 | Calvert | 38 21 48 N | 076 24 59 W |
| Chestertown Stabilization Pond Number 1 Dam | Dam | 8 | Kent | 39 12 06 N | 076 04 41 W |
| Chestertown Stablization Pond Number Two Dam | Dam | 7 | Kent | 39 12 12 N | 076 04 41 W |
| Churchill Town Sector Dam | Dam | 123 | Montgomery | 39 11 18 N | 077 16 59 W |
| Clear Spring Water Reservoir Dam | Dam | 50 | Baltimore | 39 15 30 N | 076 42 23 W |
| Clinton Regional Park Dam | Dam | 35 | Prince George's | 38 44 00 N | 076 54 59 W |
| Columbia Lng Secondary Dam | Dam | 27 | Calvert | 38 23 24 N | 076 24 59 W |
| Conowingo Dam | Dam | 30 | Cecil | 39 39 39 N | 076 10 24 W |
| Contee Main Settling Pond Dam | Dam | 71 | Prince George's | 39 04 12 N | 076 54 35 W |
| County Home Farm Pond Dam | Dam | 233 | Carroll | 39 33 24 N | 076 59 47 W |
| Court House Point Disposal Area Dam | Dam | 12 | Cecil | 39 30 06 N | 075 52 29 W |
| Cranberry Branch Dam | Dam | 144 | Carroll | 39 36 12 N | 077 57 29 W |
| Cranberry Branch Dam | Dam | 221 | Carroll | 39 36 00 N | 076 57 47 W |
| Cypress Mill Pond Dam | Dam | 3 | Kent | 39 15 42 N | 075 49 41 W |
| Dam Number 3 | Dam | 82 | Washington | 39 20 02 N | 077 45 04 W |
| Dam Number 4 | Dam | 97 | Washington | 39 29 40 N | 077 49 37 W |
| Dam Number 5 | Dam | 107 | Washington | 39 36 22 N | 077 55 22 W |
| Damazo Pond Dam | Dam | 161 | Frederick | 39 21 42 N | 077 38 29 W |
| Damiels Dam | Dam | 75 | Baltimore | 39 18 54 N | 076 49 11 W |
| Deep Creek Hydro-Electric Dam | Dam | 750 | Garrett | 39 30 34 N | 079 23 28 W |
| Disposal Area 18 Dam | Dam | 16 | Cecil | 39 31 30 N | 075 47 29 W |
| Disposal Area Number 19 Dam | Dam | 12 | Cecil | 39 31 30 N | 075 49 41 W |
| Disposal Area Number 21 Dam | Dam | 11 | Cecil | 39 32 30 N | 075 50 29 W |
| Don Pleasant Dam | Dam | 268 | Allegany | 39 37 48 N | 078 35 11 W |
| Druid Hill Lake Dam | Dam | 41 | Baltimore (city) | 39 18 00 N | 076 37 35 W |
| Easton Primary Sewage Lagoon Dam | Dam | 10 | Talbot | 38 44 48 N | 076 01 05 W |
| Easton Secondary Sewage Lagoon Dam | Dam | 10 | Talbot | 38 44 54 N | 076 00 59 W |
| Edgewater Village Dam | Dam | 5 | Harford | 39 26 00 N | 076 18 17 W |
| Elgin Farm Pond Dam | Dam | 15 | Kent | 39 16 12 N | 076 04 47 W |
| Emmitsburg Dam | Dam | 274 | Frederick | 39 41 42 N | 077 23 17 W |
| Fairlee Lake Dam | Dam | 6 | Kent | 39 14 48 N | 076 10 11 W |
| Fishing Creek Dam | Dam | 203 | Frederick | 39 31 30 N | 077 27 41 W |
| Foreman Branch Dam | Dam | 171 | Queen Anne's | 39 14 06 N | 076 59 23 W |
| Forks Pond Dam | Dam | 6 | Wicomico | 38 19 48 N | 075 35 53 W |
| Frazers Lake Dam | Dam | 4 | Cecil | 39 26 12 N | 075 53 05 W |
| Galestown Millpond Dam | Dam | 2 | Dorchester | 38 34 06 N | 075 42 53 W |
| Goose Dam | Dam | 0 | Dorchester | 38 28 12 N | 076 15 14 W |
| Gordon Farm Pond Dam | Dam | 31 | Calvert | 38 35 42 N | 076 34 41 W |
| Great Falls Estate Dam | Dam | 86 | Montgomery | 39 01 00 N | 077 13 59 W |
| Green Brier State Park Dam and Dike | Dam | 218 | Washington | 39 32 30 N | 077 37 29 W |
| Greenbelt Dam | Dam | 53 | Prince George's | 39 00 00 N | 076 53 59 W |
| Greenbriar State Park Dike Dam | Dam | 218 | Washington | 39 32 30 N | 077 37 29 W |
| Grove Point Disposal Area Dam | Dam | 0 | Cecil | 39 23 18 N | 076 01 11 W |
| Guard Lock Number 5 | Dam | 103 | Washington | 39 30 10 N | 077 50 43 W |
| Guard Lock Number 5 | Dam | 107 | Washington | 39 36 25 N | 077 55 20 W |
| Guard Lock Number 8 | Dam | 189 | Allegany | 39 38 50 N | 078 45 50 W |
| Guilford Reservoir Dam | Dam | 107 | Baltimore (city) | 39 20 54 N | 076 36 59 W |
| Hancock Sewage Lagoon Dam | Dam | 130 | Washington | 39 42 18 N | 078 09 17 W |
| Haul Road Dam | Dam | 165 | Frederick | 39 25 42 N | 077 19 35 W |
| Heritage Harbour Site One Dam | Dam | 32 | Anne Arundel | 38 58 36 N | 076 35 29 W |
| Herrington Creek Dam | Dam | 735 | Garrett | 39 27 30 N | 079 27 23 W |
| Higgins Millpond Dam | Dam | 5 | Dorchester | 38 31 06 N | 075 57 53 W |
| Hunting Creek Dam | Dam | 314 | Frederick | 39 37 42 N | 077 27 35 W |
| Hurlock Oxidation Ponds Dam | Dam | 11 | Dorchester | 38 36 36 N | 075 50 35 W |
| Inspiration Lake Dam | Dam | 115 | Montgomery | 39 07 00 N | 077 14 23 W |
| Jameson Dam | Dam | 48 | Charles | 38 30 48 N | 076 48 29 W |
| Johns Hopkins University Dam | Dam | 112 | Howard | 39 14 30 N | 076 56 11 W |
| Johnson Dam | Dam | 2 | Wicomico | 38 22 30 N | 075 35 59 W |
| Jones Lake Dam | Dam | 4 | Queen Anne's | 39 14 48 N | 075 49 05 W |
| Kemp Farm Pond Dam | Dam | 556 | Garrett | 39 43 06 N | 079 25 47 W |
| Lake Ashburton Dam | Dam | 98 | Baltimore (city) | 39 19 12 N | 076 40 02 W |
| Lake Bonnie Dam | Dam | 7 | Caroline | 39 01 12 N | 075 46 35 W |
| Lake Elkhorn Dam | Dam | 88 | Howard | 39 11 00 N | 076 50 47 W |
| Lake Jenkins Dam | Dam | 147 | Washington | 39 38 14 N | 078 18 16 W |
| Lake Jennifer Dam | Dam | 169 | Frederick | 39 24 42 N | 077 09 29 W |
| Lake Kittamaqundi Dam | Dam | 113 | Howard | 39 12 00 N | 076 50 53 W |
| Lake Lanahen Dam | Dam | 153 | Washington | 39 38 26 N | 078 18 11 W |