Moench Dam

TR BLOOM CREEK· Hanson, South Dakota· Built 2003· Earth· 11 ft tall
Low Hazard Fish And Wildlife Pond Fire Protection Stock Or Small Fish Pond Private

Key Takeaway

Moench Dam is classified as low hazard in South Dakota. It was completed in 2003 and is 23 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 11 ft (taller than 1.9% in SD)
Dam Length444 ft
Dam TypeEarth
Max Storage310 acre-ft
Normal Storage122 acre-ft
Surface Area52 acres
Drainage Area8 sq mi
Max Discharge1,691 cfs
Year Completed2003 (23 years old)
NID IDSD02522

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: May 18, 2004
State Regulated: Yes
Regulatory Agency: DANR

Ownership

JERRY L. MOENCH

Private

Nearby Dams

Lake Hanson

Hanson, SD

Low Hazard 24 ft

Ethan

Hanson, SD

Low Hazard 15 ft

Dimock

Hutchinson, SD

Low Hazard 30 ft

Calvin Andersen Dam

Davison, SD

Low Hazard 27 ft

Frequently Asked Questions

What is the hazard classification of Moench Dam?

Moench 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 Moench Dam?

Moench Dam is owned by JERRY L. MOENCH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Moench Dam built?

Moench Dam was completed in 2003, making it 23 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 Moench Dam?

Moench Dam serves the following purposes: Fish And Wildlife Pond, 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 Moench Dam?

Moench Dam has a dam height of 11 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 Moench Dam last inspected?

Moench Dam was last inspected on May 18, 2004. 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.