Parsons Dam
Parsons Dam is an earth dam located in Haakon County, South Dakota, built in 1974. It carries a Low hazard potential classification.
About Parsons Dam
The primary purpose of Parsons 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 Parsons Family Ranch Ltd Partnership (private). It impounds the Helser Draw.
The dam stands 20 feet tall and stretches 400 feet across, and has a maximum storage capacity of 200 acre-feet. Completed in 1974, 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.
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Location
| State | South Dakota |
| County | Haakon |
| Nearest City | None |
| River/Stream | Helser Draw |
| Coordinates | 44.56285, -101.59663 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 400 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 200 acre-ft |
| Max Storage | 200 acre-ft |
| Normal Storage | 100 acre-ft |
| Max Discharge | 2,100 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | PARSONS FAMILY RANCH LTD PARTNERSHIP |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02360 |
| Federal ID | SD02360 |
| More Info | State Dam Safety Program |