Quinn Dam is an earth dam located in Pennington County, South Dakota, built in 1937. It carries a Low hazard potential classification.
Dam profile
NID height · 17 ft17 ft tall and 1,040 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 Quinn Dam
The primary purpose of Quinn Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Papousek (private). It impounds the Tr-bad River.
The dam stands 17 feet tall and stretches 1,040 feet across, creates a reservoir covering 87 acres, has a maximum storage capacity of 865 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1937, 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 03/14/1986. That was over 40 years ago.
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Location
| State | South Dakota |
| County | Pennington |
| Nearest City | None |
| River/Stream | Tr-bad River |
| Coordinates | 43.99785, -102.12934 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 1,040 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 865 acre-ft |
| Max Storage | 865 acre-ft |
| Normal Storage | 284 acre-ft |
| Surface Area | 87 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 1,770 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Papousek |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 03/14/1986 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01073 |
| Federal ID | SD01073 |
| More Info | State Dam Safety Program |