Calpet Cell #9 is an earth dam located in Sublette County, Wyoming, built in 2008. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 47 ft47 ft tall and 3,150 ft long, taller than 91% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Calpet Cell #9
Calpet Cell #9 is a dam in Sublette, Wyoming. The dam is owned by Calpet, LLC Attn: Harding & Carbone, Inc (private). It impounds the Dry Pine Creek near Hwy 189.
The dam stands 47 feet tall and stretches 3,150 feet across, creates a reservoir covering 13 acres, and has a maximum storage capacity of 341 acre-feet. Completed in 2008, the structure is relatively new.
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 05/26/2021.
At 47 feet, this dam is taller than 91% of dams nationwide.
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Location
| State | Wyoming |
| County | Sublette |
| Nearest City | Hwy 189 |
| River/Stream | Dry Pine Creek |
| Coordinates | 42.39560, -110.27890 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 47 ft |
| Dam Height | 47 ft |
| Dam Length | 3,150 ft |
| Year Completed | 2008 (18 years old) |
Storage & Hydraulics
| NID Storage | 341 acre-ft |
| Max Storage | 341 acre-ft |
| Normal Storage | 341 acre-ft |
| Surface Area | 13 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Other |
| Owner | Calpet, LLC Attn: Harding & Carbone, Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/26/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY02428 |
| Federal ID | WY02428 |
| More Info | State Dam Safety Program |