Calkins Dam is an earth dam located in Jones County, South Dakota, built in 2001. It carries a Low hazard potential classification.
Dam profile
NID height · 19 ft19 ft tall and 400 ft long. 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 Calkins Dam
The primary purpose of Calkins Dam is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Robert Calkins (private). It impounds the Tr Bad River.
The dam stands 19 feet tall and stretches 400 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 85 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 2001, 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 | Jones |
| River/Stream | Tr Bad River |
| Coordinates | 44.15092, -100.49677 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 400 ft |
| Year Completed | 2001 (25 years old) |
Storage & Hydraulics
| NID Storage | 85 acre-ft |
| Max Storage | 85 acre-ft |
| Normal Storage | 52 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 620 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Robert Calkins |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02564 |
| Federal ID | SD02564 |
| More Info | State Dam Safety Program |