Soap Creek Watershed Site 4-81

Soap Creek Watershed Site 4-81 is an earth dam located in Appanoose County, Iowa, built in 2007. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height32 ft
Built200719 years ago

Dam profile

NID height · 32 ft
32 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

32 ft tall and 440 ft long, taller than 74% 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 Soap Creek Watershed Site 4-81

The primary purpose of Soap Creek Watershed Site 4-81 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Larry Coltrain & Soap Creek Watershed Board (local government). It impounds the Trib to Buzzard Creek near Selma.

The dam stands 32 feet tall and stretches 440 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 118 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2007, the structure is relatively new.

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
CountyAppanoose
Nearest CitySelma
River/StreamTrib to Buzzard Creek
Coordinates40.87610, -92.73250

Physical Characteristics

Dam TypeEarth
NID Height32 ft
Dam Height32 ft
Dam Length440 ft
Year Completed2007 (19 years old)

Storage & Hydraulics

NID Storage118 acre-ft
Max Storage118 acre-ft
Normal Storage29 acre-ft
Surface Area5 acres
Drainage Area0 sq mi
Max Discharge108 cfs

Ownership & Safety

PurposeFlood Risk Reduction
OwnerLarry Coltrain & Soap Creek Watershed Board
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDIA04110
Federal IDIA04110
More InfoState Dam Safety Program