Leo Ritter

TR MISSOURI· Walworth, South Dakota· Built 1958· Earth· 20 ft tall

Key Takeaway

Leo Ritter is classified as low hazard in South Dakota. It was completed in 1958 and is 68 years old. Its primary use is fire protection.

Physical Details

Dam Height 20 ft (taller than 33.7% in SD)
Dam Length440 ft
Dam TypeEarth
Max Storage70 acre-ft
Normal Storage50 acre-ft
Max Discharge1,200 cfs
Year Completed1958 (68 years old)
NID IDSD00751

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

LEO RITTER

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Leo Ritter?

Leo Ritter 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 Leo Ritter?

Leo Ritter is owned by LEO RITTER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Leo Ritter built?

Leo Ritter was completed in 1958, making it 68 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 Leo Ritter?

Leo Ritter 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 Leo Ritter?

Leo Ritter has a dam height of 20 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.