Sederlin is an earth dam located in Carbon County, Wyoming, built in 1910. It carries a Low hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 7 ft7 ft tall and 510 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 Sederlin
The primary purpose of Sederlin is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Double 8 Land Corporation (private). It impounds the Fish Creek near Alcova.
The dam stands 7 feet tall and stretches 510 feet across, creates a reservoir covering 40 acres, and has a maximum storage capacity of 173 acre-feet. Completed in 1910, the structure is over a century 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 08/25/2022.
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Location
| State | Wyoming |
| County | Carbon |
| Nearest City | Alcova |
| River/Stream | Fish Creek |
| Coordinates | 41.65190, -106.44520 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 510 ft |
| Year Completed | 1910 (116 years old) |
Storage & Hydraulics
| NID Storage | 173 acre-ft |
| Max Storage | 173 acre-ft |
| Normal Storage | 120 acre-ft |
| Surface Area | 40 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Double 8 Land Corporation |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 08/25/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00388 |
| Federal ID | WY00388 |
| More Info | State Dam Safety Program |