Glatco Lake

Glatco Lake is an earth dam located in York County, Pennsylvania. It carries a High hazard potential classification and has a unsatisfactory condition assessment.

About Glatco Lake

The primary purpose of Glatco Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Maw Associates (private). It impounds the Tr Oil Creek.

The dam stands 20 feet tall and stretches 275 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 73 acre-feet, and collects water from a drainage area of 0 square miles.

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 unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. An emergency action plan is in place for this dam. The most recent inspection on record was 03/12/2021.

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 HazardUnsatisfactory ConditionEmergency Action Plan: Yes

Location

StatePennsylvania
CountyYork
River/StreamTr Oil Creek
Coordinates39.84041, -76.94309

Physical Characteristics

Dam TypeEarth
NID Height20 ft
Dam Height20 ft
Dam Length275 ft

Storage & Hydraulics

NID Storage73 acre-ft
Max Storage73 acre-ft
Normal Storage56 acre-ft
Surface Area6 acres
Drainage Area0 sq mi

Ownership & Safety

PurposeRecreation
OwnerMAW ASSOCIATES
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentUnsatisfactory
Last Inspection03/12/2021
Emergency Action PlanYes

Identifiers

NID IDPA01963
Federal IDPA01963
More InfoState Dam Safety Program

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