Prock Lake Dam

Prock Lake Dam is an earth dam located in Hendricks County, Indiana, built in 1979. It carries a High hazard potential classification and has a fair condition assessment.

About Prock Lake Dam

The primary purpose of Prock Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Randy Prock (private). It impounds the Unnamed Tributary West Fork White Lick Creek.

The dam stands 57 feet tall and stretches 900 feet across, creates a reservoir covering 34 acres, has a maximum storage capacity of 772 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1979, the structure is 47 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. Notably, no emergency action plan is currently on file for this high-hazard dam. The most recent inspection on record was 07/25/2019.

At 57 feet, this dam is taller than 95% of all dams in the United States.

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 Indiana 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: No

Location

StateIndiana
CountyHendricks
River/StreamUnnamed Tributary West Fork White Lick Creek
Coordinates39.73814, -86.51000

Physical Characteristics

Dam TypeEarth
NID Height57 ft
Dam Height57 ft
Dam Length900 ft
Year Completed1979 (47 years old)

Storage & Hydraulics

NID Storage772 acre-ft
Max Storage772 acre-ft
Normal Storage525 acre-ft
Surface Area34 acres
Drainage Area0 sq mi
Max Discharge1,882 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerRANDY PROCK
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection07/25/2019
Emergency Action PlanNo

Identifiers

NID IDIN00504
Federal IDIN00504
More InfoState Dam Safety Program

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