Lonesome Lake is an earth dam located in Westmoreland County, Pennsylvania. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 24 ft24 ft tall and 400 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Lonesome Lake
The primary purpose of Lonesome Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lonesome Valley Lake Association (private). It impounds the Brinker Run.
The dam stands 24 feet tall and stretches 400 feet across, has a maximum storage capacity of 62 acre-feet, and collects water from a drainage area of 0 square miles.
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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 07/01/2019.
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Location
| State | Pennsylvania |
| County | Westmoreland |
| River/Stream | Brinker Run |
| Coordinates | 40.24139, -79.51333 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 400 ft |
Storage & Hydraulics
| NID Storage | 62 acre-ft |
| Max Storage | 62 acre-ft |
| Normal Storage | 39 acre-ft |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Lonesome Valley Lake Association |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 07/01/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | PA01901 |
| Federal ID | PA01901 |
| More Info | State Dam Safety Program |