Mahanoy Township No 2

Mahanoy Township No 2 is an earth dam located in Schuylkill County, Pennsylvania, built in 1991. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Mahanoy Township No 2

The primary purpose of Mahanoy Township No 2 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 Mahanoy Township Authority (local government). It impounds the Cold Run.

The dam stands 34 feet tall and stretches 1,200 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 112 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1991, the structure is 35 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 11/03/2020.

At 34 feet, this dam is taller than 80% 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
CountySchuylkill
River/StreamCold Run
Coordinates40.83806, -76.14194

Physical Characteristics

Dam TypeEarth
NID Height34 ft
Dam Height34 ft
Dam Length1,200 ft
Year Completed1991 (35 years old)

Storage & Hydraulics

NID Storage112 acre-ft
Max Storage112 acre-ft
Normal Storage68 acre-ft
Surface Area7 acres
Drainage Area0 sq mi

Ownership & Safety

PurposeWater Supply
OwnerMAHANOY TOWNSHIP AUTHORITY
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection11/03/2020
Emergency Action PlanYes

Identifiers

NID IDPA00685
Federal IDPA00685
More InfoState Dam Safety Program

Nearby Dams