Sid No. 1 is an earth dam located in Albany County, Wyoming, built in 1950. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 18 ft18 ft tall and 770 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Sid No. 1
The primary purpose of Sid 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 State of Wyoming Board of Land Commission (private). It impounds the Nork Fork Duck Creek near Torrington.
The dam stands 18 feet tall and stretches 770 feet across, creates a reservoir covering 28 acres, and has a maximum storage capacity of 205 acre-feet. Completed in 1950, 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 08/15/2023.
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Location
| State | Wyoming |
| County | Albany |
| Nearest City | Torrington |
| River/Stream | Nork Fork Duck Creek |
| Coordinates | 42.01667, -105.56500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 770 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 205 acre-ft |
| Max Storage | 205 acre-ft |
| Normal Storage | 92 acre-ft |
| Surface Area | 28 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | State of Wyoming Board of Land Commission |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 08/15/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00112 |
| Federal ID | WY00112 |
| More Info | State Dam Safety Program |