Wheaton Regional Park Dam
Wheaton Regional Park Dam is an earth dam located in Montgomery County, Maryland, built in 1962. It carries a Significant hazard potential classification and has a fair condition assessment.
About Wheaton Regional Park Dam
The primary purpose of Wheaton Regional Park Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mncppc Montgomery Parks (local government). It impounds the Northwest Branch-tr near Glenallen.
The dam stands 24 feet tall and stretches 733 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 79 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1962, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 05/03/2023.
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Location
| State | Maryland |
| County | Montgomery |
| Nearest City | Glenallen |
| River/Stream | Northwest Branch-tr |
| Coordinates | 39.05490, -77.03820 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 733 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 79 acre-ft |
| Max Storage | 79 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 1,934 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MNCPPC Montgomery Parks |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 05/03/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MD00041 |
| Federal ID | MD00041 |
| More Info | State Dam Safety Program |