Rocky Spring Dam is an earth dam located in Franklin County, Pennsylvania, built in 1967. It carries a Undetermined hazard potential classification.
Dam profile
NID height · 11 ft11 ft tall and 335 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 Rocky Spring Dam
The primary purpose of Rocky Spring Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by U.s. Army Garrison (federal). It impounds the Rocky Spring Branch Back Creek.
The dam stands 11 feet tall and stretches 335 feet across, and has a maximum storage capacity of 92 acre-feet. Completed in 1967, the structure is well into its service life at over 50 years old.
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Location
| State | Pennsylvania |
| County | Franklin |
| River/Stream | Rocky Spring Branch Back Creek |
| Coordinates | 39.98333, -77.68833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 335 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 92 acre-ft |
| Max Storage | 92 acre-ft |
| Normal Storage | 72 acre-ft |
Ownership & Safety
| Purpose | Recreation |
| Owner | U.s. Army Garrison |
| Owner Type | Federal |
| Hazard Classification | Undetermined |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | PA00846 |
| Federal ID | PA00846 |
| More Info | State Dam Safety Program |