Colonial No 3 is a gravity dam located in Fayette County, Pennsylvania, built in 1907. It carries a Low hazard potential classification.
Dam profile
NID height · 29 ft29 ft tall and 161 ft long, taller than 65% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Colonial No 3
The primary purpose of Colonial No 3 is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Cjf Property Holding, LLC (private). It impounds the Washwater Run.
The dam stands 29 feet tall and stretches 161 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 26 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1907, the structure is over a century 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. The most recent inspection on record was 11/13/2015. That was over 10 years ago.
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Location
| State | Pennsylvania |
| County | Fayette |
| River/Stream | Washwater Run |
| Coordinates | 40.02000, -79.81167 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 29 ft |
| Dam Height | 29 ft |
| Dam Length | 161 ft |
| Year Completed | 1907 (119 years old) |
Storage & Hydraulics
| NID Storage | 26 acre-ft |
| Max Storage | 26 acre-ft |
| Normal Storage | 23 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Cjf Property Holding, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/13/2015 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | PA00209 |
| Federal ID | PA00209 |
| More Info | State Dam Safety Program |