Rocky Spring Dam

ROCKY SPRING BRANCH BACK CREEK· Franklin, Pennsylvania· Built 1967· Earth· 11 ft tall
Unknown Recreation Federal Government

Key Takeaway

Rocky Spring Dam is classified as unknown in Pennsylvania. It was completed in 1967 and is 59 years old. Its primary use is recreation.

Physical Details

Dam Height 11 ft (taller than 13.2% in PA)
Dam Length335 ft
Dam TypeEarth
Max Storage92 acre-ft
Normal Storage72 acre-ft
Year Completed1967 (59 years old)
NID IDPA00846

Safety Information

Unknown

Hazard potential has not been determined.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
State Regulated: No

Ownership

U.S. ARMY GARRISON

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Rocky Spring Dam?

Rocky Spring Dam is classified as Unknown. Hazard potential has not been determined. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Rocky Spring Dam?

Rocky Spring Dam is owned by U.S. ARMY GARRISON (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Rocky Spring Dam built?

Rocky Spring Dam was completed in 1967, making it 59 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Rocky Spring Dam?

Rocky Spring Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Rocky Spring Dam?

Rocky Spring Dam has a dam height of 11 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.