Miller No. 1
Miller No. 1 is an earth dam located in Platte County, Wyoming, built in 1949. It carries a Low hazard potential classification and has a poor condition assessment.
About Miller No. 1
The primary purpose of Miller 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 Steve Dilts Family Limited Partnership (private). It impounds the North Chugwater Creek near Chugwater.
The dam stands 34 feet tall and stretches 260 feet across, creates a reservoir covering 4 acres, and has a maximum storage capacity of 56 acre-feet. Completed in 1949, the structure is well-established, with more than 75 years of service.
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 06/29/2021.
At 34 feet, this dam is taller than 80% of dams nationwide.
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Location
| State | Wyoming |
| County | Platte |
| Nearest City | Chugwater |
| River/Stream | North Chugwater Creek |
| Coordinates | 41.68110, -105.20300 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 33 ft |
| Dam Length | 260 ft |
| Year Completed | 1949 (77 years old) |
Storage & Hydraulics
| NID Storage | 56 acre-ft |
| Max Storage | 56 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 4 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | STEVE DILTS FAMILY LIMITED PARTNERSHIP |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/29/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00158 |
| Federal ID | WY00158 |
| More Info | State Dam Safety Program |