Betty No. 1
Betty No. 1 is an earth dam located in Converse County, Wyoming, built in 1956. It carries a Low hazard potential classification and has a poor condition assessment.
About Betty No. 1
The primary purpose of Betty 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 J.f.w. Corporation (private). It impounds the Bear Creek near Edgemont, Sd.
The dam stands 33 feet tall and stretches 2,455 feet across, creates a reservoir covering 171 acres, and has a maximum storage capacity of 2,029 acre-feet. Completed in 1956, 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 06/13/2022.
At 33 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Wyoming |
| County | Converse |
| Nearest City | Edgemont, Sd |
| River/Stream | Bear Creek |
| Coordinates | 43.39440, -105.47490 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 33 ft |
| Dam Height | 32 ft |
| Dam Length | 2,455 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 2,029 acre-ft |
| Max Storage | 2,029 acre-ft |
| Normal Storage | 1,345 acre-ft |
| Surface Area | 171 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | J.F.W. CORPORATION |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/13/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00613 |
| Federal ID | WY00613 |
| More Info | State Dam Safety Program |