Pony Creek Watershed Site 24

TR-PONY CREEK· Mills, Iowa· Built 1964· Earth· 40 ft tall

Key Takeaway

Pony Creek Watershed Site 24 is classified as low hazard in Iowa. It was completed in 1964 and is 62 years old. Its primary use is fire protection.

Physical Details

Dam Height 40 ft (taller than 84% in IA)
Dam Length418 ft
Dam TypeEarth
Max Storage204 acre-ft
Normal Storage141 acre-ft
Surface Area9 acres
Drainage Area1 sq mi
Max Discharge0 cfs
Year Completed1964 (62 years old)
NID IDIA00685

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
Last Inspection: September 22, 2003
State Regulated: Yes
Regulatory Agency: IOWA DNR

Ownership

Mills County SWCD

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Pony Creek Watershed Site 24?

Pony Creek Watershed Site 24 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 Pony Creek Watershed Site 24?

Pony Creek Watershed Site 24 is owned by Mills County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Pony Creek Watershed Site 24 built?

Pony Creek Watershed Site 24 was completed in 1964, making it 62 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 Pony Creek Watershed Site 24?

Pony Creek Watershed Site 24 serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Pony Creek Watershed Site 24?

Pony Creek Watershed Site 24 has a dam height of 40 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 Pony Creek Watershed Site 24 last inspected?

Pony Creek Watershed Site 24 was last inspected on September 22, 2003. 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.