South Ridge Estates - East Dam

Tr- West Branch Floyd River· Sioux, Iowa· Built 2007· Earth· 17 ft tall
High Hazard Recreation Private

Key Takeaway

South Ridge Estates - East Dam is classified as high hazard in Iowa. It was completed in 2007 and is 19 years old. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 17 ft (taller than 5.1% in IA)
Dam Length555 ft
Dam TypeEarth
Max Storage104 acre-ft
Normal Storage46 acre-ft
Surface Area9 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed2007 (19 years old)
NID IDIA03533

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: No
Last Inspection: May 29, 2019
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 - East Dam?

South Ridge Estates - East Dam is classified as High Hazard. Loss of human life is likely if the dam fails. 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 - East Dam?

South Ridge Estates - East 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 - East Dam built?

South Ridge Estates - East 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.

What is the primary purpose of South Ridge Estates - East Dam?

South Ridge Estates - East Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is South Ridge Estates - East Dam?

South Ridge Estates - East Dam has a dam height of 17 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 - East Dam last inspected?

South Ridge Estates - East Dam was last inspected on May 29, 2019. 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.