Coy
Coy is an earth dam located in Uinta County, Wyoming, built in 2009. It carries a Low hazard potential classification and has a fair condition assessment.
About Coy
The primary purpose of Coy is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Yc Ranch, Llc (private). It impounds the Yellow Creek Off Channel near Meadow Vista Road.
The dam stands 13 feet tall and stretches 1,500 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 108 acre-feet, and collects water from a drainage area of 43 square miles. Completed in 2009, 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 05/25/2021.
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Location
| State | Wyoming |
| County | Uinta |
| Nearest City | Meadow Vista Road |
| River/Stream | Yellow Creek Off Channel |
| Coordinates | 41.18710, -111.03290 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 1,500 ft |
| Year Completed | 2009 (17 years old) |
Storage & Hydraulics
| NID Storage | 108 acre-ft |
| Max Storage | 108 acre-ft |
| Normal Storage | 80 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 43 sq mi |
| Max Discharge | 29 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | YC RANCH, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 05/25/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY02490 |
| Federal ID | WY02490 |
| More Info | State Dam Safety Program |