Utica Auxiliary No.
Wind
Humidity
5, located in Alpine, California, along the North Fork Stanislaus River, is a privately owned rockfill dam with a primary purpose of hydroelectric power generation. Completed in 1903, this dam stands at 7 feet high and has a storage capacity of 2500 acre-feet, serving multiple purposes including recreation and water supply. The dam has a low hazard potential and is regulated by the Federal Energy Regulatory Commission, with state oversight from the Department of Water Resources for safety and inspection.
With a surface area of 233.5 acres and a drainage area of 15 square miles, Utica Auxiliary No. 5 has a maximum discharge capacity of 1100 cubic feet per second. The dam features an uncontrolled spillway with a width of 31 feet, and an inspection frequency of once per year to ensure its structural integrity. While the dam's condition assessment is currently not available, an Emergency Action Plan was last revised in December 2020, indicating proactive measures in place for potential emergencies.
Overall, Utica Auxiliary No. 5 plays a crucial role in water resource management and energy production in the region, showcasing the intersection of infrastructure, environmental conservation, and climate resilience. As a key component of the local hydroelectric system, this dam represents a balancing act between human development and natural ecosystems, highlighting the importance of sustainable water resource practices in the face of a changing climate.
Year Completed |
1903 |
Dam Length |
31 |
Dam Height |
7 |
River Or Stream |
North Fork Stanislaus River - |
Primary Dam Type |
Rockfill |
Surface Area |
233.5 |
Hydraulic Height |
6 |
Drainage Area |
15 |
Nid Storage |
2500 |
Structural Height |
6 |
Hazard Potential |
Low |
Nid Height |
7 |
| Location | Reservations | Toilets |
|---|---|---|
Union Reservoir East
|
||
Union East Campground
|
||
Union West Campground
|
||
Utica Reservoir Campgrounds
|
||
Spicer Meadow
|
||
Lake Alpine
|