Hidden Valley is an earth dam located in Butler County, Pennsylvania, built in 1974. It carries a Low hazard potential classification.
Dam profile
NID height · 27 ft27 ft tall and 300 ft long, taller than 59% 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 embankment section and the water level is illustrative.
About Hidden Valley
The primary purpose of Hidden Valley is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Leo Cusick (private). It impounds the Connoquenessing Creek near Greece City.
The dam stands 27 feet tall and stretches 300 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 66 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1974, 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.
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Location
| State | Pennsylvania |
| County | Butler |
| Nearest City | Greece City |
| River/Stream | Connoquenessing Creek |
| Coordinates | 40.98634, -79.85226 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 25 ft |
| Dam Length | 300 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 66 acre-ft |
| Max Storage | 66 acre-ft |
| Normal Storage | 66 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Leo Cusick |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | PA02004 |
| Federal ID | PA02004 |
| More Info | State Dam Safety Program |