Soap Creek Watershed Site 68-88

Soap Creek Watershed Site 68-88 is an earth dam located in Monroe County, Iowa, built in 2009. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height31 ft
Built200917 years ago

Dam profile

NID height · 31 ft
31 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

31 ft tall and 660 ft long, taller than 72% 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 68-88

The primary purpose of Soap Creek Watershed Site 68-88 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 Kenneth Martin & Soap Creek Watershed Board (local government). It impounds the Tr to Soap Creek near Selma.

The dam stands 31 feet tall and stretches 660 feet across, creates a reservoir covering 16 acres, has a maximum storage capacity of 432 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2009, 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
CountyMonroe
Nearest CitySelma
River/StreamTr to Soap Creek
Coordinates40.94360, -92.79460

Physical Characteristics

Dam TypeEarth
NID Height31 ft
Dam Height31 ft
Dam Length660 ft
Year Completed2009 (17 years old)

Storage & Hydraulics

NID Storage432 acre-ft
Max Storage432 acre-ft
Normal Storage84 acre-ft
Surface Area16 acres
Drainage Area1 sq mi
Max Discharge3,270 cfs

Ownership & Safety

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

Identifiers

NID IDIA04119
Federal IDIA04119
More InfoState Dam Safety Program