Hanson Dam No. 2
Hanson Dam No. 2 is an earth dam located in Haakon County, South Dakota, built in 2016. It carries a Low hazard potential classification.
About Hanson Dam No. 2
The primary purpose of Hanson Dam No. 2 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 Henry Hanson (private). It impounds the Upper Deep Creek-tr.
The dam stands 21 feet tall and stretches 479 feet across, and has a maximum storage capacity of 99 acre-feet. Completed in 2016, the structure is relatively new.
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.
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Location
| State | South Dakota |
| County | Haakon |
| River/Stream | Upper Deep Creek-tr |
| Coordinates | 44.38557, -101.83008 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 479 ft |
| Year Completed | 2016 (10 years old) |
Storage & Hydraulics
| NID Storage | 99 acre-ft |
| Max Storage | 99 acre-ft |
| Normal Storage | 40 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Henry Hanson |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02645 |
| Federal ID | SD02645 |
| More Info | State Dam Safety Program |