Monroe Lake

Monroe Lake is an earth dam located in Monroe County, Pennsylvania, built in 1926. It carries a High hazard potential classification and has a fair condition assessment.

About Monroe Lake

The primary purpose of Monroe Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Monroe Lake P.o.a. (private). It impounds the Bear Swamp Run.

The dam stands 12 feet tall and stretches 390 feet across, creates a reservoir covering 85 acres, has a maximum storage capacity of 403 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1926, the structure is well-established, with more than 75 years of service.

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 04/20/2020.

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 HazardFair ConditionEmergency Action Plan: Yes

Location

StatePennsylvania
CountyMonroe
River/StreamBear Swamp Run
Coordinates41.11417, -75.13444

Physical Characteristics

Dam TypeEarth
NID Height12 ft
Dam Height12 ft
Dam Length390 ft
Year Completed1926 (100 years old)

Storage & Hydraulics

NID Storage403 acre-ft
Max Storage403 acre-ft
Normal Storage184 acre-ft
Surface Area85 acres
Drainage Area1 sq mi

Ownership & Safety

PurposeRecreation
OwnerMONROE LAKE P.O.A.
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection04/20/2020
Emergency Action PlanYes

Identifiers

NID IDPA00633
Federal IDPA00633
More InfoState Dam Safety Program

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