Hidden Valley Lake Dam

Hidden Valley Lake Dam is an earth dam located in Brown County, Indiana, built in 1959. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Hidden Valley Lake Dam

The primary purpose of Hidden Valley Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by William Irvine (private). It impounds the Unnamed Tributary East Fork Salt Creek.

The dam stands 34 feet tall and stretches 400 feet across, creates a reservoir covering 20 acres, has a maximum storage capacity of 465 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1959, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 04/30/2018.

At 34 feet, this dam is taller than 80% of dams nationwide.

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Significant HazardSatisfactory ConditionEmergency Action Plan: No

Location

StateIndiana
CountyBrown
River/StreamUnnamed Tributary East Fork Salt Creek
Coordinates39.26438, -86.11522

Physical Characteristics

Dam TypeEarth
NID Height34 ft
Dam Height34 ft
Dam Length400 ft
Year Completed1959 (67 years old)

Storage & Hydraulics

NID Storage465 acre-ft
Max Storage465 acre-ft
Normal Storage367 acre-ft
Surface Area20 acres
Drainage Area1 sq mi
Max Discharge714 cfs
Spillway TypeNone

Ownership & Safety

PurposeRecreation
OwnerWILLIAM IRVINE
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection04/30/2018
Emergency Action PlanNo

Identifiers

NID IDIN00039
Federal IDIN00039
More InfoState Dam Safety Program

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