Peno Grazing Association

TR-CHEYENNE· Pennington, South Dakota· Built 1952· Earth· 25 ft tall
Low Hazard Irrigation Private

Key Takeaway

Peno Grazing Association is classified as low hazard in South Dakota. It was completed in 1952 and is 74 years old. Its primary use is irrigation.

Physical Details

Dam Height 25 ft (taller than 57.4% in SD)
Dam Length700 ft
Dam TypeEarth
Max Storage210 acre-ft
Normal Storage146 acre-ft
Max Discharge3,000 cfs
Year Completed1952 (74 years old)
NID IDSD01944

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

PENO GRAZING ASSOCIATION

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Peno Grazing Association?

Peno Grazing Association 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 Peno Grazing Association?

Peno Grazing Association is owned by PENO GRAZING ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Peno Grazing Association built?

Peno Grazing Association was completed in 1952, making it 74 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 Peno Grazing Association?

Peno Grazing Association serves the following purposes: Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Peno Grazing Association?

Peno Grazing Association has a dam height of 25 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.