Southpoint Wetland Mitigation Dam

Southpoint Wetland Mitigation Dam is an earth dam located in Polk County, Iowa, built in 2004. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Southpoint Wetland Mitigation Dam

The primary purpose of Southpoint Wetland Mitigation Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Iowa Department Of Transportation (state). It impounds the Tr- Skunk River near Colfax.

The dam stands 15 feet tall and stretches 860 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 65 acre-feet, and collects water from a drainage area of 1 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 10/28/2010. That was over 15 years ago.

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Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyPolk
Nearest CityColfax
River/StreamTr- Skunk River
Coordinates41.76530, -93.38080

Physical Characteristics

Dam TypeEarth
NID Height15 ft
Dam Height15 ft
Dam Length860 ft
Year Completed2004 (22 years old)

Storage & Hydraulics

NID Storage65 acre-ft
Max Storage65 acre-ft
Normal Storage21 acre-ft
Surface Area10 acres
Drainage Area1 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFish and Wildlife Pond
OwnerIowa Department of Transportation
Owner TypeState
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection10/28/2010
Emergency Action PlanNot Required

Identifiers

NID IDIA03756
Federal IDIA03756
More InfoState Dam Safety Program

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