Little Boxelder No. 3
Little Boxelder No. 3 is an earth dam located in Converse County, Wyoming, built in 1955. It carries a Low hazard potential classification and has a poor condition assessment.
About Little Boxelder No. 3
The primary purpose of Little Boxelder No. 3 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Green Valley Attn: Monte Mcnamee (private). It impounds the Little Boxelder Creek near Douglas.
The dam stands 30 feet tall and stretches 395 feet across, creates a reservoir covering 5 acres, and has a maximum storage capacity of 74 acre-feet. Completed in 1955, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 05/10/2023.
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Location
| State | Wyoming |
| County | Converse |
| Nearest City | Douglas |
| River/Stream | Little Boxelder Creek |
| Coordinates | 42.75667, -105.74333 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 395 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 74 acre-ft |
| Max Storage | 74 acre-ft |
| Normal Storage | 36 acre-ft |
| Surface Area | 5 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | GREEN VALLEY ATTN: MONTE MCNAMEE |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 05/10/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00265 |
| Federal ID | WY00265 |
| More Info | State Dam Safety Program |