Grand River Cattle Dam

TR- WEST ELK CREEK· Decatur, Iowa· Built 2007· Earth· 41 ft tall
Low Hazard Water Supply Private

Key Takeaway

Grand River Cattle Dam is classified as low hazard in Iowa. It was completed in 2007 and is 19 years old. Its primary use is water supply.

Physical Details

Dam Height 41 ft (taller than 86.2% in IA)
Dam Length597 ft
Dam TypeEarth
Max Storage956 acre-ft
Normal Storage122 acre-ft
Surface Area10 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed2007 (19 years old)
NID IDIA03650

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

Grandriver Cattle Company

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Grand River Cattle Dam?

Grand River Cattle 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 Grand River Cattle Dam?

Grand River Cattle Dam is owned by Grandriver Cattle Company (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Grand River Cattle Dam built?

Grand River Cattle 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 Grand River Cattle Dam?

Grand River Cattle Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Grand River Cattle Dam?

Grand River Cattle Dam has a dam height of 41 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.