Bernstein Estate Dam

Bernstein Estate Dam is an earth dam located in Mahaska County, Iowa, built in 2000. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height25 ft
Built200026 years ago

Dam profile

NID height · 25 ft
25 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

25 ft tall and 217 ft long, taller than 50% 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 Estate Dam

The primary purpose of Bernstein Estate Dam is grade stabilization. Grade stabilization dams prevent erosion by reducing the slope and velocity of water flowing through a channel. They're commonly used to stop gullies from deepening and to protect downstream land and infrastructure. The dam is owned by Martin Bernstein Estate (private). It impounds the Tr- South Skunk near Coppock.

The dam stands 25 feet tall and stretches 217 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 18 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2000, the structure is 26 years old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.

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Location

StateIowa
CountyMahaska
Nearest CityCoppock
River/StreamTr- South Skunk
Coordinates41.25080, -92.46970

Physical Characteristics

Dam TypeEarth
NID Height25 ft
Dam Height25 ft
Dam Length217 ft
Year Completed2000 (26 years old)

Storage & Hydraulics

NID Storage18 acre-ft
Max Storage18 acre-ft
Surface Area2 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeGrade Stabilization
OwnerMartin Bernstein Estate
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDIA03446
Federal IDIA03446
More InfoState Dam Safety Program