Brighton
Maryland — Montgomery County — Patuxent River
Location
| State | Maryland |
| County | Montgomery |
| River | Patuxent River |
| Coordinates | 39.19291, -77.00534 |
Physical Characteristics
| NID Height | 82 ft |
| Dam Height | 82 ft |
| Dam Length | 995 ft |
| NID Storage | 19,560 acre-ft |
| Max Storage | 19,560 acre-ft |
| Surface Area | 800 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | April 7, 2022 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1943 |
| Primary Purpose | Hydroelectric |
| Dam Type | Buttress |
| Owner Type | Local Government |
| Owner | Washington Suburban Sanitary Commission |
| Other Name | Tridelphia Lake Dam |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.