May & Sons, Inc. is an earth dam located in Jackson County, South Dakota, built in 1978. It carries a Low hazard potential classification.
Dam profile
NID height · 34 ft34 ft tall and 150 ft long, taller than 78% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About May & Sons, Inc.
The primary purpose of May & Sons, Inc. is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by May & Sons Inc. (private). It impounds the Redwater Creek.
The dam stands 34 feet tall and stretches 150 feet across, and has a maximum storage capacity of 400 acre-feet. Completed in 1978, the structure is 48 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
At 34 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | South Dakota |
| County | Jackson |
| Nearest City | None |
| River/Stream | Redwater Creek |
| Coordinates | 43.43333, -102.05499 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 150 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 400 acre-ft |
| Max Storage | 400 acre-ft |
| Normal Storage | 245 acre-ft |
| Max Discharge | 2,400 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | May & Sons Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02369 |
| Federal ID | SD02369 |
| More Info | State Dam Safety Program |