C. Peterson No.1

TR MOREAU· Dewey, South Dakota· Built 1945· Earth· 24 ft tall

Key Takeaway

C. Peterson No.1 is classified as low hazard in South Dakota. It was completed in 1945 and is 81 years old. Its primary use is fire protection.

Physical Details

Dam Height 24 ft (taller than 53.3% in SD)
Dam Length450 ft
Dam TypeEarth
Max Storage150 acre-ft
Normal Storage56 acre-ft
Max Discharge800 cfs
Year Completed1945 (81 years old)
NID IDSD01707

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: DANR

Ownership

CHARLEY PETERSON

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of C. Peterson No.1?

C. Peterson No.1 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 C. Peterson No.1?

C. Peterson No.1 is owned by CHARLEY PETERSON (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was C. Peterson No.1 built?

C. Peterson No.1 was completed in 1945, making it 81 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 C. Peterson No.1?

C. Peterson No.1 serves the following purposes: 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 C. Peterson No.1?

C. Peterson No.1 has a dam height of 24 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.