Dams in Baltimore County, Maryland
24Total Dams
11High Hazard
7Significant
Dam Safety in Baltimore County, Maryland
Baltimore County has 24 dams tracked in the National Inventory of Dams. Of these, 11 are classified as high hazard — meaning failure would probably cause loss of human life. Another 7 carry a significant hazard classification. Currently, 3 dams have a condition assessment of poor or unsatisfactory.
The average dam in Baltimore County is 57 years old. The most common purpose is flood risk reduction. The tallest dam is Liberty Dam at 175 ft.
Explore more: Oldest dams in Maryland · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Liberty Dam | High | Unsatisfactory | 175 | Water Supply | 1953 |
| Prettyboy Dam | High | Fair | 155 | Water Supply | 1936 |
| Loch Raven Dam | High | Satisfactory | 130 | Water Supply | 1923 |
| Lake Roland Dam | High | Fair | 42 | Recreation | 1861 |
| Towson Reservoir Storage Tanks | High | Satisfactory | 40 | Water Supply | 2013 |
| Umbc Dam | High | Satisfactory | 38 | Flood Risk Reduction | 1976 |
| Pikesville Reservoir Storage Tanks | High | Satisfactory | 22 | Water Supply | 2007 |
| Catonsville Community Park Regional Swm Pond Dam (ba-359) | High | Fair | 21 | Flood Risk Reduction | 1985 |
| Mays Chapel Reservoir | High | Satisfactory | 20 | Water Supply | 1965 |
| Fullerton Reservoir Tanks | High | Satisfactory | 15 | Water Supply | 2020 |
| Roland Run Levee | High | Fair | 15 | Flood Risk Reduction | 1982 |
| Queen Annes Village Swm Pond No. 1 | Significant | Fair | 20 | Flood Risk Reduction | 2007 |
| Greenspring Quarry Dam | Significant | Fair | 16 | Recreation | 2007 |
| Banneker Regional Pond | Significant | Not Rated | 15 | Flood Risk Reduction | 2006 |
| Velvet Hills South Swm Dam | Significant | Fair | 15 | Flood Risk Reduction | 1987 |
| Painters Mill Levee | Significant | Satisfactory | 14 | Flood Risk Reduction | 1989 |
| Gbmc Pond | Significant | Fair | 13 | Flood Risk Reduction | 1993 |
| Umbc Central Campus Dam | Significant | Satisfactory | 10 | Recreation | 1975 |
| Greenspring East Swm Pond No. 3 (stream Crossing Road) | Low | Poor | 34 | Flood Risk Reduction | 1995 |
| Daniels Dam | Low | Fair | 27 | Recreation | 1833 |
| Chenoweth Farm Pond | Low | Satisfactory | 24 | Recreation | 1990 |
| Camp Fretterd Miltary Reservation Dam | Low | Unsatisfactory | 24 | Water Supply | 1967 |
| Old Loch Raven Dam | Low | Not Rated | 20 | Recreation | 1875 |
| Pleasant Hills Swm Dam (gentlebrook Road) | Low | Not Rated | 17 | Flood Risk Reduction | 1988 |