Basin No. 1
Basin No. 1 is an earth dam located in Crook County, Wyoming, built in 1958. It carries a Low hazard potential classification and has a poor condition assessment.
About Basin No. 1
The primary purpose of Basin No. 1 is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Daniel R. Zimmerschied (private). It impounds the Left Creek near Hulett.
The dam stands 20 feet tall and stretches 420 feet across, creates a reservoir covering 39 acres, and has a maximum storage capacity of 210 acre-feet. Completed in 1958, 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 04/28/2021.
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Location
| State | Wyoming |
| County | Crook |
| Nearest City | Hulett |
| River/Stream | Left Creek |
| Coordinates | 44.57410, -104.85290 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 420 ft |
| Year Completed | 1958 (68 years old) |
Storage & Hydraulics
| NID Storage | 210 acre-ft |
| Max Storage | 210 acre-ft |
| Normal Storage | 210 acre-ft |
| Surface Area | 39 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | DANIEL R. ZIMMERSCHIED |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 04/28/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00962 |
| Federal ID | WY00962 |
| More Info | State Dam Safety Program |