Shirfs Run is an earth dam located in Cambria County, Pennsylvania, built in 1925. It carries a Significant hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 320 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 Shirfs Run
The primary purpose of Shirfs Run is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Spangler Municipal Authority (local government). It impounds the Tr North Br Black Lick Creek.
The dam stands 15 feet tall and stretches 320 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 124 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1925, the structure is over a century 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. An emergency action plan is in place for this dam. The most recent inspection on record was 03/20/2019.
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Location
| State | Pennsylvania |
| County | Cambria |
| River/Stream | Tr North Br Black Lick Creek |
| Coordinates | 40.59028, -78.79389 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 320 ft |
| Year Completed | 1925 (101 years old) |
Storage & Hydraulics
| NID Storage | 124 acre-ft |
| Max Storage | 124 acre-ft |
| Normal Storage | 61 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 2 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Spangler Municipal Authority |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 03/20/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | PA00438 |
| Federal ID | PA00438 |
| More Info | State Dam Safety Program |