Conneaut Marsh

Conneaut Marsh is a concrete dam located in Crawford County, Pennsylvania, built in 1955. It carries a Low hazard potential classification.

About Conneaut Marsh

The primary purpose of Conneaut Marsh is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Pa Game Commission (state). It impounds the Conneaut Creek.

The dam stands 8 feet tall and stretches 60 feet across, creates a reservoir covering 500 acres, has a maximum storage capacity of 2,700 acre-feet, and collects water from a drainage area of 68 square miles. Completed in 1955, 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 05/26/2016.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StatePennsylvania
CountyCrawford
River/StreamConneaut Creek
Coordinates41.57472, -80.21889

Physical Characteristics

Dam TypeConcrete
NID Height8 ft
Dam Height8 ft
Dam Length60 ft
Year Completed1955 (71 years old)

Storage & Hydraulics

NID Storage2,700 acre-ft
Max Storage2,700 acre-ft
Normal Storage2,700 acre-ft
Surface Area500 acres
Drainage Area68 sq mi

Ownership & Safety

PurposeRecreation
OwnerPA GAME COMMISSION
Owner TypeState
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection05/26/2016
Emergency Action PlanNot Required

Identifiers

NID IDPA00178
Federal IDPA00178
More InfoState Dam Safety Program

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