Weir Lake is a masonry dam located in Summit County, Utah, built in 1933. It carries a Low hazard potential classification.
Dam profile
NID height · 17 ft17 ft tall and 182 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Weir Lake
The primary purpose of Weir Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Forest Service U.s. Kamas (private). It impounds the North Fork of Provo River near Woodland.
The dam stands 17 feet tall and stretches 182 feet across, has a maximum storage capacity of 116 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1933, 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 07/28/2011. That was over 15 years ago.
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Location
| State | Utah |
| County | Summit |
| Nearest City | Woodland |
| River/Stream | North Fork of Provo River |
| Coordinates | 40.67685, -111.00239 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 17 ft |
| Dam Length | 182 ft |
| Year Completed | 1933 (93 years old) |
Storage & Hydraulics
| NID Storage | 116 acre-ft |
| Max Storage | 116 acre-ft |
| Normal Storage | 46 acre-ft |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Forest Service U.s. Kamas |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/28/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | UT00318 |
| Federal ID | UT00318 |
| More Info | State Dam Safety Program |