Wigwam
Wigwam is an earth dam located in Duchesne County, Utah, built in 1936. It carries a Low hazard potential classification.
About Wigwam
The primary purpose of Wigwam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Whiterocks Irrigation Company (private). It impounds the Whiterocks River near Whiterocks.
The dam stands 14 feet tall and stretches 195 feet across, has a maximum storage capacity of 140 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1936, 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. The most recent inspection on record was 07/14/2003. That was over 22 years ago.
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Location
| State | Utah |
| County | Duchesne |
| Nearest City | Whiterocks |
| River/Stream | Whiterocks River |
| Coordinates | 40.79852, -110.00904 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Length | 195 ft |
| Year Completed | 1936 (90 years old) |
Storage & Hydraulics
| NID Storage | 140 acre-ft |
| Max Storage | 140 acre-ft |
| Normal Storage | 110 acre-ft |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | WHITEROCKS IRRIGATION COMPANY |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 07/14/2003 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | UT00326 |
| Federal ID | UT00326 |
| More Info | State Dam Safety Program |