Hickman Dam is an earth dam located in Marshall County, South Dakota, built in 1939. It carries a Low hazard potential classification.
Dam profile
NID height · 28 ft28 ft tall and 520 ft long, taller than 62% of U.S. dams with a recorded height. 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 Hickman Dam
The primary purpose of Hickman Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by S&pl (state). It impounds the Trcrowcreekjames.
The dam stands 28 feet tall and stretches 520 feet across, creates a reservoir covering 31 acres, has a maximum storage capacity of 450 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1939, the structure is well-established, with more than 75 years of service.
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. The most recent inspection on record was 11/22/2022.
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Location
| State | South Dakota |
| County | Marshall |
| Nearest City | None |
| River/Stream | Trcrowcreekjames |
| Coordinates | 45.65837, -97.74595 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 28 ft |
| Dam Height | 28 ft |
| Dam Length | 520 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 450 acre-ft |
| Max Storage | 450 acre-ft |
| Normal Storage | 184 acre-ft |
| Surface Area | 31 acres |
| Drainage Area | 7 sq mi |
| Max Discharge | 1,527 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | S&pl |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/22/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00324 |
| Federal ID | SD00324 |
| More Info | State Dam Safety Program |