Gant Creek Watershed Site C-2

TR-BIG SIOUX RIVER· Plymouth, Iowa· Built 1974· Earth· 28 ft tall

Key Takeaway

Gant Creek Watershed Site C-2 is classified as low hazard in Iowa. It was completed in 1974 and is 52 years old. Its primary use is fire protection.

Physical Details

Dam Height 28 ft (taller than 36.9% in IA)
Dam Length360 ft
Dam TypeEarth
Max Storage55 acre-ft
Normal Storage30 acre-ft
Surface Area4 acres
Drainage Area3 sq mi
Max Discharge0 cfs
Year Completed1974 (52 years old)
NID IDIA01688

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: June 15, 1978
State Regulated: Yes
Regulatory Agency: IOWA DNR

Ownership

Plymouth County SWCD

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Gant Creek Watershed Site C-2?

Gant Creek Watershed Site C-2 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 Gant Creek Watershed Site C-2?

Gant Creek Watershed Site C-2 is owned by Plymouth County SWCD (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Gant Creek Watershed Site C-2 built?

Gant Creek Watershed Site C-2 was completed in 1974, making it 52 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 Gant Creek Watershed Site C-2?

Gant Creek Watershed Site C-2 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 Gant Creek Watershed Site C-2?

Gant Creek Watershed Site C-2 has a dam height of 28 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 Gant Creek Watershed Site C-2 last inspected?

Gant Creek Watershed Site C-2 was last inspected on June 15, 1978. 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.