Basin
Basin is an earth dam located in Converse County, Wyoming, built in 1974. It carries a Low hazard potential classification and has a fair condition assessment.
About Basin
The primary purpose of Basin 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 Basin Draw near Orin.
The dam stands 25 feet tall and stretches 660 feet across, creates a reservoir covering 9 acres, and has a maximum storage capacity of 55 acre-feet. Completed in 1974, 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.
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Location
| State | Wyoming |
| County | Converse |
| Nearest City | Orin |
| River/Stream | Basin Draw |
| Coordinates | 42.56150, -105.51710 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 660 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 55 acre-ft |
| Max Storage | 55 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 9 acres |
| Max Discharge | 365 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 | WY01316 |
| Federal ID | WY01316 |
| More Info | State Dam Safety Program |