T. Howard Duckett Dam
High HazardFair ConditionEmergency Action Plan: Yes
Location
| State | Maryland |
| County | Howard |
| Nearest City | Laurel |
| River/Stream | Patuxent River |
| Coordinates | 39.11670, -76.87510 |
Physical Characteristics
| Dam Type | Buttress |
| NID Height | 139 ft |
| Dam Height | 139 ft |
| Dam Length | 1,965 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 59,000 acre-ft |
| Max Storage | 59,000 acre-ft |
| Normal Storage | 17,000 acre-ft |
| Surface Area | 773 acres |
| Drainage Area | 132 sq mi |
| Max Discharge | 108,526 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Washington Suburban Sanitary Commission |
| Owner Type | Public Utility |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 05/24/2024 |
| Emergency Action Plan | Yes |