Chace No. 1
Chace No. 1 is an earth dam located in Carbon County, Wyoming, built in 1955. It carries a Low hazard potential classification and has a poor condition assessment.
About Chace No. 1
The primary purpose of Chace 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 Cynthia A. Chace (private). It impounds the Carbon Dry Creek near Alcova.
The dam stands 21 feet tall and stretches 420 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 134 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 06/14/2022.
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Location
| State | Wyoming |
| County | Carbon |
| Nearest City | Alcova |
| River/Stream | Carbon Dry Creek |
| Coordinates | 41.87580, -106.33700 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 420 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 134 acre-ft |
| Max Storage | 134 acre-ft |
| Normal Storage | 94 acre-ft |
| Surface Area | 12 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | CYNTHIA A. CHACE |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/14/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00173 |
| Federal ID | WY00173 |
| More Info | State Dam Safety Program |