Acme (pa-657)

Acme (pa-657) is an earth dam located in Westmoreland County, Pennsylvania, built in 1975. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Acme (pa-657)

The primary purpose of Acme (pa-657) is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Westmoreland County Commissioners (local government). It impounds the Jacobs Creek.

The dam stands 33 feet tall and stretches 500 feet across, creates a reservoir covering 25 acres, has a maximum storage capacity of 1,540 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1975, 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 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 08/23/2019.

At 33 feet, this dam is taller than 78% 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.

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StatePennsylvania
CountyWestmoreland
River/StreamJacobs Creek
Coordinates40.12056, -79.42389

Physical Characteristics

Dam TypeEarth
NID Height33 ft
Dam Height33 ft
Dam Length500 ft
Year Completed1975 (51 years old)

Storage & Hydraulics

NID Storage1,540 acre-ft
Max Storage1,540 acre-ft
Normal Storage93 acre-ft
Surface Area25 acres
Drainage Area2 sq mi

Ownership & Safety

PurposeRecreation
OwnerWESTMORELAND COUNTY COMMISSIONERS
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection08/23/2019
Emergency Action PlanYes

Identifiers

NID IDPA00828
Federal IDPA00828
More InfoState Dam Safety Program

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