Thistle Dam is an earth dam located in Pennington County, South Dakota. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall. 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 Thistle Dam
Thistle Dam is a dam in Pennington, South Dakota. The dam is owned by Doi NPS (federal).
The dam stands 15 feet tall, creates a reservoir covering 11 acres, and has a maximum storage capacity of 55 acre-feet.
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 07/20/2018.
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Location
| State | South Dakota |
| County | Pennington |
| Coordinates | 43.82910, -102.15920 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
Storage & Hydraulics
| NID Storage | 55 acre-ft |
| Max Storage | 55 acre-ft |
| Surface Area | 11 acres |
Ownership & Safety
| Owner | Doi NPS |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/20/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02611 |
| Federal ID | SD02611 |
| More Info | State Dam Safety Program |