Mayer Dam
Mayer Dam is an earth dam located in Buffalo County, South Dakota, built in 1951. It carries a Significant hazard potential classification.
About Mayer Dam
The primary purpose of Mayer Dam is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Mayer Ranches Inc (private). It impounds the Crow Creek-tr.
The dam stands 28 feet tall and stretches 380 feet across, and has a maximum storage capacity of 25 acre-feet. Completed in 1951, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
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Location
| State | South Dakota |
| County | Buffalo |
| Nearest City | None |
| River/Stream | Crow Creek-tr |
| Coordinates | 43.98433, -99.14406 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 380 ft |
| Year Completed | 1951 (75 years old) |
Storage & Hydraulics
| NID Storage | 25 acre-ft |
| Max Storage | 25 acre-ft |
| Normal Storage | 15 acre-ft |
| Max Discharge | 660 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | MAYER RANCHES INC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00181 |
| Federal ID | SD00181 |
| More Info | State Dam Safety Program |