Dams in Howard County, Maryland
34Total Dams
7High Hazard
23Significant
Dam Safety in Howard County, Maryland
Howard County has 34 dams tracked in the National Inventory of Dams. Of these, 7 are classified as high hazard — meaning failure would probably cause loss of human life. Another 23 carry a significant hazard classification. Currently, 6 dams have a condition assessment of poor or unsatisfactory.
The average dam in Howard County is 41 years old. The most common purpose is flood risk reduction. The tallest dam is T. Howard Duckett Dam at 139 ft.
Explore more: Oldest dams in Maryland · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| T. Howard Duckett Dam | High | Fair | 139 | Water Supply | 1953 |
| Centennial Park Dam | High | Satisfactory | 42 | Recreation | 1985 |
| Columbia Gateway Dam | High | Fair | 36 | Flood Risk Reduction | 1972 |
| Lake Elkhorn | High | Satisfactory | 26 | Recreation | 1974 |
| Holly House Meadows Dam | High | Satisfactory | 20 | Recreation | 1983 |
| Junction Industrial Park | High | Satisfactory | 18 | Flood Risk Reduction | 1984 |
| Gerwig Lane Swm | High | Satisfactory | 0 | Flood Risk Reduction | 1980 |
| Dobbin Road Swm Pond | Significant | Poor | 36 | Flood Risk Reduction | 1987 |
| North Laurel Park Swm Pond (sewall Avenue) | Significant | Satisfactory | 30 | Flood Risk Reduction | 1998 |
| Wilde Lake Dam | Significant | Satisfactory | 28 | Recreation | 1967 |
| Hobbits Glen Golf Course Dam | Significant | Satisfactory | 22 | Irrigation | 1966 |
| Warfield Range Dam (hunters Way) | Significant | Satisfactory | 20 | Flood Risk Reduction | 1980 |
| Strawberry Fields | Significant | Satisfactory | 20 | Flood Risk Reduction | 1985 |
| Montgomery Run Swm Pond 1 (montgomery Run Road) | Significant | Fair | 20 | Flood Risk Reduction | 1990 |
| Gateway Village Pond | Significant | Fair | 19 | Flood Risk Reduction | 1988 |
| Lutheran Village At Millers Grant Pond 1 (vals Lane) | Significant | Satisfactory | 18 | Flood Risk Reduction | 2015 |
| Country Meadows Swm Pond | Significant | Poor | 17 | Flood Risk Reduction | 1988 |
| Md Route 104 Swm Pond (sha Bmp 130077) | Significant | Poor | 17 | Flood Risk Reduction | 1990 |
| Linden Chapel Road Swm Dam | Significant | Satisfactory | 16 | Recreation | 1989 |
| Jessup Park Dam | Significant | Poor | 15 | Flood Risk Reduction | 2010 |
| Laurel Lumber Dam | Significant | Satisfactory | 14 | Flood Risk Reduction | 2007 |
| Wyndemere Swm Pond | Significant | Satisfactory | 13 | Flood Risk Reduction | 1995 |
| Woodmark Community Pond | Significant | Unsatisfactory | 12 | Recreation | 1968 |
| Waiting Springs Swm Pond | Significant | Satisfactory | 12 | Flood Risk Reduction | 1971 |
| Oakhurst Section 1 Swm Dam (oakhurst Drive) | Significant | Fair | 12 | Flood Risk Reduction | 1998 |
| Mary Lee Lane Swm Dam | Significant | Satisfactory | 11 | Flood Risk Reduction | 1985 |
| Diversified Lane Pond Dam | Significant | Satisfactory | 8 | Flood Risk Reduction | 1992 |
| Glenmar Pond 2 Dam | Significant | Satisfactory | 3 | Flood Risk Reduction | 1984 |
| Quaker Mill Flood Control Dam | Significant | 0 | |||
| Guilford Road Dam | Significant | Poor | 0 | Flood Risk Reduction | |
| Riggs Farm Pond | Low | 24 | Recreation | 1988 | |
| Highland Lake | Low | Satisfactory | 22 | Recreation | 1960 |
| Great Star Drive Swm Dam | Low | Satisfactory | 20 | Flood Risk Reduction | 1997 |
| Lake Kittamaqundi | Low | Satisfactory | 7 | Recreation | 1967 |