Pexton No. 1
Pexton No. 1 is an earth dam located in Converse County, Wyoming, built in 1963. It carries a Low hazard potential classification and has a fair condition assessment.
About Pexton No. 1
The primary purpose of Pexton No. 1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Wagonhound Land & Livestock, Llc (private). It impounds the Reid Creek near Guernsey.
The dam stands 40 feet tall and stretches 590 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 177 acre-feet, and collects water from a drainage area of 5 square miles. Completed in 1963, the structure is well into its service life at over 50 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 09/09/2021.
At 40 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | Wyoming |
| County | Converse |
| Nearest City | Guernsey |
| River/Stream | Reid Creek |
| Coordinates | 42.39300, -105.49730 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 38 ft |
| Dam Length | 590 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 177 acre-ft |
| Max Storage | 177 acre-ft |
| Normal Storage | 112 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 804 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | WAGONHOUND LAND & LIVESTOCK, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/09/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00312 |
| Federal ID | WY00312 |
| More Info | State Dam Safety Program |