Muddy Run Recreation Dam
Muddy Run Recreation Dam is a rockfill dam located in Lancaster County, Pennsylvania, built in 1967. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Muddy Run Recreation Dam
The primary purpose of Muddy Run Recreation Dam is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Constellation Energy Generation, Llc (nyro) (public utility). It impounds the Susquehanna River near Cold Cabin Boat Launch.
The dam stands 90 feet tall and stretches 750 feet across, creates a reservoir covering 100 acres, has a maximum storage capacity of 3,000 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1967, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 08/20/2022.
At 90 feet, this dam is taller than 98% of all dams in the United States.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Pennsylvania |
| County | Lancaster |
| Nearest City | Cold Cabin Boat Launch |
| River/Stream | Susquehanna River |
| Coordinates | 39.84063, -76.28288 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 90 ft |
| Dam Height | 90 ft |
| Dam Length | 750 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 3,000 acre-ft |
| Max Storage | 3,000 acre-ft |
| Normal Storage | 2,700 acre-ft |
| Surface Area | 100 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 11,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Constellation Energy Generation, LLC (NYRO) |
| Owner Type | Public Utility |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/20/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | PA01562 |
| Federal ID | PA01562 |
| More Info | State Dam Safety Program |