Ritchie Hill Swm Pond
Ritchie Hill Swm Pond is an earth dam located in Prince George's County, Maryland, built in 2008. It carries a Significant hazard potential classification and has a poor condition assessment.
About Ritchie Hill Swm Pond
The primary purpose of Ritchie Hill Swm Pond is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Md Dot State Highway Admin Bridge Hydraulics (state). It impounds the Ritchie Branch-tr near Ritchie Marlboro Road.
The dam stands 15 feet tall, creates a reservoir covering 3 acres, and collects water from a drainage area of 0 square miles. Completed in 2008, the structure is relatively new.
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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 11/14/2024.
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Location
| State | Maryland |
| County | Prince George's |
| Nearest City | Ritchie Marlboro Road |
| River/Stream | Ritchie Branch-tr |
| Coordinates | 38.86854, -76.84594 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Year Completed | 2008 (18 years old) |
Storage & Hydraulics
| Surface Area | 3 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 856 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | MD DOT State Highway Admin Bridge Hydraulics |
| Owner Type | State |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 11/14/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MD00444 |
| Federal ID | MD00444 |
| More Info | State Dam Safety Program |