Riley Lake Dam

Riley Lake Dam is a dam located in Vigo County, Indiana, built in 1964. It carries a Significant hazard potential classification.

About Riley Lake Dam

The primary purpose of Riley Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is private-owned.

The dam stands 13 feet tall and stretches 480 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 65 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1964, the structure is well into its service life at over 50 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 08/19/1964. That was over 61 years ago.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Data note: Hazard potential describes the consequences if a dam failed; it does not predict the likelihood of failure. Inspection, condition, and emergency-plan fields can be incomplete or delayed. Check state dam-safety officials and local emergency managers for official guidance.
Significant HazardNot Rated ConditionEmergency Action Plan: No

Location

StateIndiana
CountyVigo
Coordinates39.38693, -87.29809

Physical Characteristics

NID Height13 ft
Dam Height13 ft
Dam Length480 ft
Year Completed1964 (62 years old)

Storage & Hydraulics

NID Storage65 acre-ft
Max Storage65 acre-ft
Normal Storage34 acre-ft
Surface Area1 acres
Drainage Area0 sq mi

Ownership & Safety

PurposeRecreation
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentNot Rated
Last Inspection08/19/1964
Emergency Action PlanNo

Identifiers

NID IDIN00724
Federal IDIN00724
More InfoState Dam Safety Program