Southwest Iowa Egg Cooperative Dam

TR- ELM CREEK· Cass, Iowa· Built 1999· Earth· 38 ft tall

Key Takeaway

Southwest Iowa Egg Cooperative Dam is classified as low hazard in Iowa. It was completed in 1999 and is 27 years old. Its primary use is water supply.

Physical Details

Dam Height 38 ft (taller than 80.1% in IA)
Dam Length710 ft
Dam TypeEarth
Max Storage382 acre-ft
Normal Storage204 acre-ft
Surface Area22 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1999 (27 years old)
NID IDIA03353

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Emergency Action Plan: No
State Regulated: Yes
Regulatory Agency: IOWA DNR

Ownership

Southwest Iowa Egg Cooperative

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Southwest Iowa Egg Cooperative Dam?

Southwest Iowa Egg Cooperative Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Southwest Iowa Egg Cooperative Dam?

Southwest Iowa Egg Cooperative Dam is owned by Southwest Iowa Egg Cooperative (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Southwest Iowa Egg Cooperative Dam built?

Southwest Iowa Egg Cooperative Dam was completed in 1999, making it 27 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 Southwest Iowa Egg Cooperative Dam?

Southwest Iowa Egg Cooperative Dam serves the following purposes: Water Supply, Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Southwest Iowa Egg Cooperative Dam?

Southwest Iowa Egg Cooperative Dam has a dam height of 38 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.

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.