Chain Lake (upper)
Chain Lake (upper) is a masonry dam located in Duchesne County, Utah, built in 1921. It carries a Significant hazard potential classification.
About Chain Lake (upper)
The primary purpose of Chain Lake (upper) is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Dry Gulch Irrigation Company (private). It impounds the Krebs Creek near Whiterocks.
The dam stands 15 feet tall and stretches 178 feet across, has a maximum storage capacity of 630 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1921, the structure is over a century 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 08/25/2022.
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Location
| State | Utah |
| County | Duchesne |
| Nearest City | Whiterocks |
| River/Stream | Krebs Creek |
| Coordinates | 40.71185, -110.25571 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 15 ft |
| Dam Length | 178 ft |
| Year Completed | 1921 (105 years old) |
Storage & Hydraulics
| NID Storage | 630 acre-ft |
| Max Storage | 630 acre-ft |
| Normal Storage | 520 acre-ft |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | DRY GULCH IRRIGATION COMPANY |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 08/25/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | UT00308 |
| Federal ID | UT00308 |
| More Info | State Dam Safety Program |