South Ridge Estates - South Dam

Tr- West Branch Floyd River· Sioux, Iowa· Built 2007· Earth· 11 ft tall
Significant Hazard Private

Key Takeaway

South Ridge Estates - South Dam is classified as significant hazard in Iowa. It was completed in 2007 and is 19 years old. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 11 ft (taller than 2.5% in IA)
Dam Length660 ft
Dam TypeEarth
Max Storage39 acre-ft
Normal Storage15 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed2007 (19 years old)
NID IDIA03532

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: June 28, 2007
State Regulated: Yes
Regulatory Agency: IOWA DNR

Ownership

Sioux Center Land Development Corp

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of South Ridge Estates - South Dam?

South Ridge Estates - South Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates South Ridge Estates - South Dam?

South Ridge Estates - South Dam is owned by Sioux Center Land Development Corp (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was South Ridge Estates - South Dam built?

South Ridge Estates - South Dam was completed in 2007, making it 19 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is South Ridge Estates - South Dam?

South Ridge Estates - South Dam has a dam height of 11 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was South Ridge Estates - South Dam last inspected?

South Ridge Estates - South Dam was last inspected on June 28, 2007. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.