Settling Pond No. 7 is an earth dam located in Campbell County, Wyoming, built in 1982. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 25 ft25 ft tall and 660 ft long, taller than 50% 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 Settling Pond No. 7
Settling Pond No. 7 is a dam in Campbell, Wyoming. The dam is owned by Thunder Basin Coal Company,llc Attn: Ark Land (private). It impounds the Big Pasture Draw Tr Coal Creek.
The dam stands 25 feet tall and stretches 660 feet across, creates a reservoir covering 10 acres, has a storage capacity of 60 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1982, the structure is 44 years old.
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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 09/28/2021.
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Location
| State | Wyoming |
| County | Campbell |
| River/Stream | Big Pasture Draw Tr Coal Creek |
| Coordinates | 43.95970, -105.31700 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 18 ft |
| Dam Length | 660 ft |
| Year Completed | 1982 (44 years old) |
Storage & Hydraulics
| NID Storage | 60 acre-ft |
| Normal Storage | 60 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 688 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Thunder Basin Coal Company,llc Attn: Ark Land |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/28/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01855 |
| Federal ID | WY01855 |
| More Info | State Dam Safety Program |