Peach Bottom Atomic Power is a rockfill dam located in York County, Pennsylvania, built in 1973. It carries a Low hazard potential classification.
Dam profile
NID height · 34 ft34 ft tall and 330 ft long, taller than 78% 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 rockfill embankment section and the water level is illustrative.
About Peach Bottom Atomic Power
The primary purpose of Peach Bottom Atomic Power is debris control. The dam is designed to catch sediment, rocks, and debris carried by flowing water — particularly important in areas prone to mudslides or heavy erosion. The dam is owned by Exelon Generation Company (private). It impounds the Rock Run.
The dam stands 34 feet tall and stretches 330 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 16 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1973, 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. The most recent inspection on record was 07/21/2016. That was over 10 years ago.
At 34 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Pennsylvania |
| County | York |
| River/Stream | Rock Run |
| Coordinates | 39.73750, -76.25556 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 330 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 16 acre-ft |
| Max Storage | 16 acre-ft |
| Normal Storage | 1 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 4 sq mi |
Ownership & Safety
| Purpose | Debris Control |
| Owner | Exelon Generation Company |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/21/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | PA00390 |
| Federal ID | PA00390 |
| More Info | State Dam Safety Program |