Maryland Dam Report Cards by County
County-level report cards for Maryland. Scores combine high-hazard dam counts with condition, emergency-plan, and older-inspection-date flags.
| County | State | Grade | Score | Total | High | Significant | Poor/unsat. | Missing EAP | Older inspection |
|---|---|---|---|---|---|---|---|---|---|
| Prince George's County | Maryland | F | 255 | 48 | 23 | 9 | 19 | 20 | 1 |
| Montgomery County | Maryland | D | 132 | 60 | 17 | 15 | 6 | 9 | 0 |
| Howard County | Maryland | C | 86 | 34 | 7 | 23 | 6 | 3 | 0 |
| Garrett County | Maryland | C | 78 | 20 | 10 | 1 | 3 | 8 | 0 |
| Baltimore County | Maryland | C | 75 | 24 | 11 | 7 | 3 | 5 | 0 |
| Washington County | Maryland | C | 70 | 21 | 6 | 6 | 6 | 4 | 0 |
| Allegany County | Maryland | C | 61 | 12 | 6 | 2 | 5 | 4 | 0 |
| Cecil County | Maryland | C | 55 | 25 | 2 | 10 | 7 | 1 | 0 |
| Frederick County | Maryland | C | 51 | 21 | 5 | 5 | 3 | 4 | 0 |
| Harford County | Maryland | B | 45 | 19 | 4 | 11 | 2 | 3 | 0 |
| Carroll County | Maryland | B | 45 | 14 | 1 | 8 | 6 | 1 | 0 |
| Calvert County | Maryland | B | 44 | 18 | 2 | 9 | 5 | 1 | 0 |
| Wicomico County | Maryland | B | 39 | 13 | 3 | 2 | 4 | 2 | 0 |
| Anne Arundel County | Maryland | B | 35 | 25 | 1 | 13 | 3 | 1 | 0 |
| Baltimore City | Maryland | B | 33 | 10 | 6 | 2 | 1 | 2 | 0 |
| Charles County | Maryland | B | 29 | 6 | 1 | 2 | 4 | 1 | 0 |
| Kent County | Maryland | B | 28 | 18 | 0 | 3 | 5 | 0 | 0 |
| St. Mary's County | Maryland | A | 16 | 9 | 1 | 3 | 2 | 0 | 0 |
| Queen Anne's County | Maryland | A | 8 | 8 | 0 | 3 | 1 | 0 | 0 |
| Caroline County | Maryland | A | 7 | 6 | 0 | 2 | 1 | 0 | 0 |
| Mineral County | Maryland | A | 3 | 1 | 1 | 0 | 0 | 0 | 0 |
| Somerset County | Maryland | A | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| Talbot County | Maryland | A | 0 | 5 | 0 | 0 | 0 | 0 | 0 |
| Dorchester County | Maryland | A | 0 | 4 | 0 | 0 | 0 | 0 | 0 |
| Worcester County | Maryland | A | 0 | 3 | 0 | 0 | 0 | 0 | 0 |