Tripp is an earth dam located in Hutchinson County, South Dakota, built in 1934. It carries a Low hazard potential classification.
Dam profile
NID height · 27 ft27 ft tall and 790 ft long, taller than 59% 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 Tripp
The primary purpose of Tripp 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 Tr-choteau Creek near Delmont.
The dam stands 27 feet tall and stretches 790 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 185 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1934, 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 10/04/2022.
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Location
| State | South Dakota |
| County | Hutchinson |
| Nearest City | Delmont |
| River/Stream | Tr-choteau Creek |
| Coordinates | 43.20261, -98.08140 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 790 ft |
| Year Completed | 1934 (92 years old) |
Storage & Hydraulics
| NID Storage | 185 acre-ft |
| Max Storage | 185 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 5,300 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | S&pl |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/04/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00694 |
| Federal ID | SD00694 |
| More Info | State Dam Safety Program |