Bernstein Dam

Bernstein Dam is an earth dam located in Mahaska County, Iowa, built in 1976. It carries a Significant hazard potential classification.

Hazard potentialSignificantFailure could cause major damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height35 ft
Built197650 years ago

Dam profile

NID height · 35 ft
35 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

35 ft tall and 525 ft long, taller than 80% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.

About Bernstein Dam

The primary purpose of Bernstein Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by William Bernstein Trust (private). It impounds the Tr-muchakinock Creek near Givin.

The dam stands 35 feet tall and stretches 525 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 94 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1976, the structure is 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.

At 35 feet, this dam is taller than 80% of dams nationwide.

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

Location

StateIowa
CountyMahaska
Nearest CityGivin
River/StreamTr-muchakinock Creek
Coordinates41.26040, -92.69330

Physical Characteristics

Dam TypeEarth
NID Height35 ft
Dam Height35 ft
Dam Length525 ft
Year Completed1976 (50 years old)

Storage & Hydraulics

NID Storage94 acre-ft
Max Storage94 acre-ft
Normal Storage52 acre-ft
Surface Area6 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerWilliam Bernstein Trust
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDIA01634
Federal IDIA01634
More InfoState Dam Safety Program