Deep Lake (sevier)
Deep Lake (sevier) is an earth dam located in Sevier County, Utah, built in 1973. It carries a Significant hazard potential classification.
About Deep Lake (sevier)
The primary purpose of Deep Lake (sevier) is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Annabella Town Water Department (private). It impounds the Cottonwood Creek near Annabella.
The dam stands 24 feet tall and stretches 520 feet across, has a maximum storage capacity of 435 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1973, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 07/14/2022.
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Location
| State | Utah |
| County | Sevier |
| Nearest City | Annabella |
| River/Stream | Cottonwood Creek |
| Coordinates | 38.64517, -111.99242 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Length | 520 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 435 acre-ft |
| Max Storage | 435 acre-ft |
| Normal Storage | 285 acre-ft |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | ANNABELLA TOWN WATER DEPARTMENT |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 07/14/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00085 |
| Federal ID | UT00085 |
| More Info | State Dam Safety Program |