St. Mary Of The Woods (lower)

St. Mary Of The Woods (lower) is an earth dam located in Vigo County, Indiana, built in 1957. It carries a High hazard potential classification.

About St. Mary Of The Woods (lower)

The primary purpose of St. Mary Of The Woods (lower) is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by St. Mary Of The Woods (private).

The dam stands 18 feet tall and stretches 300 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 72 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1957, the structure is well into its service life at over 50 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. Notably, no emergency action plan is currently on file for this high-hazard dam. The most recent inspection on record was 04/04/1995. That was 31 years ago — unusually long for a high-hazard dam, which typically requires more frequent inspections.

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 HazardNot Rated ConditionEmergency Action Plan: No

Location

StateIndiana
CountyVigo
Coordinates39.50733, -87.45311

Physical Characteristics

Dam TypeEarth
NID Height18 ft
Dam Height18 ft
Dam Length300 ft
Year Completed1957 (69 years old)

Storage & Hydraulics

NID Storage72 acre-ft
Max Storage72 acre-ft
Normal Storage29 acre-ft
Surface Area8 acres
Drainage Area0 sq mi
Max Discharge47 cfs

Ownership & Safety

PurposeRecreation
OwnerSt. Mary of the Woods
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentNot Rated
Last Inspection04/04/1995
Emergency Action PlanNo

Identifiers

NID IDIN00726
Federal IDIN00726
More InfoState Dam Safety Program

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