Brighton West Swm Pond
Brighton West Swm Pond is an earth dam located in Montgomery County, Maryland, built in 1975. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Brighton West Swm Pond
The primary purpose of Brighton West 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 City Of Gaithersburg (local government). It impounds the Muddy Branch near Gaithersburg.
The dam stands 16 feet tall and stretches 610 feet across, has a maximum storage capacity of 135 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1975, the structure is well into its service life at over 50 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 05/29/2022.
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Location
| State | Maryland |
| County | Montgomery |
| Nearest City | Gaithersburg |
| River/Stream | Muddy Branch |
| Coordinates | 39.12130, -77.20940 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 610 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 135 acre-ft |
| Max Storage | 135 acre-ft |
| Drainage Area | 3 sq mi |
| Max Discharge | 9,406 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | City of Gaithersburg |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/29/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | MD00393 |
| Federal ID | MD00393 |
| More Info | State Dam Safety Program |