South Ridge Estates - East Dam

South Ridge Estates - East Dam is an earth dam located in Sioux County, Iowa, built in 2007. It carries a High hazard potential classification and has a satisfactory condition assessment.

About South Ridge Estates - East Dam

The primary purpose of South Ridge Estates - East Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Sioux Center Land Development Corp (private). It impounds the Tr- West Branch Floyd River near Sioux Center.

The dam stands 17 feet tall and stretches 555 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 104 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2007, the structure is relatively new.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 06/19/2023.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Iowa dam safety program can provide more specific information about emergency planning for this structure.

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

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateIowa
CountySioux
Nearest CitySioux Center
River/StreamTr- West Branch Floyd River
Coordinates43.05470, -96.15690

Physical Characteristics

Dam TypeEarth
NID Height17 ft
Dam Height17 ft
Dam Length555 ft
Year Completed2007 (19 years old)

Storage & Hydraulics

NID Storage104 acre-ft
Max Storage104 acre-ft
Normal Storage46 acre-ft
Surface Area8 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerSioux Center Land Development Corp
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection06/19/2023
Emergency Action PlanYes

Identifiers

NID IDIA03533
Federal IDIA03533
More InfoState Dam Safety Program

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