Evans City Waterworks No 1
Evans City Waterworks No 1 is an earth dam located in Butler County, Pennsylvania, built in 1954. It carries a High hazard potential classification and has a fair condition assessment.
About Evans City Waterworks No 1
The primary purpose of Evans City Waterworks No 1 is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Evans City Borough (local government). It impounds the Likens Run.
The dam stands 38 feet tall and stretches 400 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 390 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1954, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 12/11/2020.
At 38 feet, this dam is taller than 85% of dams nationwide.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Pennsylvania dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Pennsylvania |
| County | Butler |
| River/Stream | Likens Run |
| Coordinates | 40.77000, -80.08417 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 400 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 390 acre-ft |
| Max Storage | 390 acre-ft |
| Normal Storage | 150 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 3 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | EVANS CITY BOROUGH |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 12/11/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | PA01070 |
| Federal ID | PA01070 |
| More Info | State Dam Safety Program |