Semke Dam

Semke Dam is an earth dam located in Greene County, Iowa, built in 1998. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height46 ft
Built199828 years ago

Dam profile

NID height · 46 ft
46 FT TEN-STORY BUILDINGMEDIAN U.S. DAM · 24 FT

46 ft tall and 138 ft long, taller than 91% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.

About Semke Dam

The primary purpose of Semke Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Michael Semke (private). It impounds the Tr- Buttrick Creek near Dawson.

The dam stands 46 feet tall and stretches 138 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 45 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1998, the structure is 28 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.

At 46 feet, this dam is taller than 91% of dams nationwide.

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

Location

StateIowa
CountyGreene
Nearest CityDawson
River/StreamTr- Buttrick Creek
Coordinates41.99670, -94.29480

Physical Characteristics

Dam TypeEarth
NID Height46 ft
Dam Height46 ft
Dam Length138 ft
Year Completed1998 (28 years old)

Storage & Hydraulics

NID Storage45 acre-ft
Max Storage45 acre-ft
Normal Storage35 acre-ft
Surface Area2 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFire Protection, Stock, Or Small Fish Pond
OwnerMichael Semke
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDIA03664
Federal IDIA03664
More InfoState Dam Safety Program