Ella
Ella is an earth dam located in Albany County, Wyoming, built in 1963. It carries a Low hazard potential classification and has a poor condition assessment.
About Ella
The primary purpose of Ella is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Sybille Ranch Llc (private). It impounds the Middle Sybille Creek near Torrington.
The dam stands 24 feet tall and stretches 468 feet across, creates a reservoir covering 9 acres, and has a maximum storage capacity of 108 acre-feet. Completed in 1963, 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 06/10/2020.
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Location
| State | Wyoming |
| County | Albany |
| Nearest City | Torrington |
| River/Stream | Middle Sybille Creek |
| Coordinates | 41.62860, -105.44760 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 20 ft |
| Dam Length | 468 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 108 acre-ft |
| Max Storage | 108 acre-ft |
| Normal Storage | 79 acre-ft |
| Surface Area | 9 acres |
| Max Discharge | 1,609 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | SYBILLE RANCH LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/10/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY00149 |
| Federal ID | WY00149 |
| More Info | State Dam Safety Program |