May & Sons, INC.

REDWATER CREEK· Jackson, South Dakota· Built 1978· Earth· 34 ft tall
Low Hazard Recreation Irrigation Private

Key Takeaway

May & Sons, INC. is classified as low hazard in South Dakota. It was completed in 1978 and is 48 years old. Its primary use is recreation.

Physical Details

Dam Height 34 ft (taller than 93.1% in SD)
Dam Length150 ft
Dam TypeEarth
Max Storage400 acre-ft
Normal Storage245 acre-ft
Max Discharge2,400 cfs
Year Completed1978 (48 years old)
NID IDSD02369

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

MAY & SONS INC.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of May & Sons, INC.?

May & Sons, INC. 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 May & Sons, INC.?

May & Sons, INC. is owned by MAY & SONS INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was May & Sons, INC. built?

May & Sons, INC. was completed in 1978, making it 48 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 May & Sons, INC.?

May & Sons, INC. serves the following purposes: Recreation, Irrigation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is May & Sons, INC.?

May & Sons, INC. has a dam height of 34 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.