East Fork Grand River Watershed Site A-49

East Fork Grand River Watershed Site A-49 is an earth dam located in Ringgold County, Iowa, built in 2004. It carries a Low hazard potential classification.

Hazard potentialLowFailure would cause limited damage
ConditionNot assessed
Emergency action planNot reported
Last inspectionNot reported
Height24 ft
Built200422 years ago

Dam profile

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

24 ft tall and 628 ft long. 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 East Fork Grand River Watershed Site A-49

The primary purpose of East Fork Grand River Watershed Site A-49 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 Ringgold County Swcd (local government). It impounds the Tr- East Fork Grand River near State of Missouri.

The dam stands 24 feet tall and stretches 628 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 130 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2004, 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
CountyRinggold
Nearest CityState of Missouri
River/StreamTr- East Fork Grand River
Coordinates40.89220, -94.15000

Physical Characteristics

Dam TypeEarth
NID Height24 ft
Dam Height24 ft
Dam Length628 ft
Year Completed2004 (22 years old)

Storage & Hydraulics

NID Storage130 acre-ft
Max Storage130 acre-ft
Normal Storage39 acre-ft
Surface Area7 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerRinggold County Swcd
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot assessed
Emergency Action PlanNot Required

Identifiers

NID IDIA03791
Federal IDIA03791
More InfoState Dam Safety Program