Anderson #1
Anderson #1 is an earth dam located in Mellette County, South Dakota, built in 1956. It carries a Low hazard potential classification.
About Anderson #1
The primary purpose of Anderson #1 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 Stan Anderson (private). It impounds the Tr Black Pipe Offstream.
The dam stands 45 feet tall and stretches 528 feet across, and has a maximum storage capacity of 195 acre-feet. Completed in 1956, the structure is well into its service life at over 50 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 45 feet, this dam is taller than 91% of dams nationwide.
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Location
| State | South Dakota |
| County | Mellette |
| Nearest City | None |
| River/Stream | Tr Black Pipe Offstream |
| Coordinates | 43.59499, -101.16332 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 45 ft |
| Dam Height | 45 ft |
| Dam Length | 528 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 195 acre-ft |
| Max Storage | 195 acre-ft |
| Normal Storage | 178 acre-ft |
| Max Discharge | 845 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | STAN ANDERSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01465 |
| Federal ID | SD01465 |
| More Info | State Dam Safety Program |