The 430 square mile Cow Creek watershed provides spawning and rearing habitat for several species of fish including Chinook salmon and Steelhead trout. The watershed has five major tributaries, including…
Geotechnical Engineering Projects
Folsom State Prison Slope
In preparation for the construction of a new education annex and primary health care clinic inside Folsom State Prison, SAGE was hired to perform a geological and structural reconnaissance of…
Nelson Elevation Control Structure
Water supplied to the main canal of the Wester Canal Water District (District) enters via two outlet structures located on the northwestern edge of the Thermalito Afterbay. Flow control structures…
Pit 5 Road Creek Crossing Improvements
The existing 72-inch diameter culvert creek crossing under Pit 5 Road has a documented history of becoming clogged with debris during periods of high-intensity, short-duration rainfall events, which are common…
New Bullards Bar Dam Seismic Stability Evaluation
The Yuba River is located on the eastern border of the Tahoe National Forest and is a critical watershed in northern California that provides for irrigation, drinking water and hydroelectric…
Hamilton Branch Diversion Dam
The Hamilton Branch Diversion Dam located in Lassen County, California, diverts water from the Hamilton Branch of the Feather River into a canal, which conveys water for the Hamilton Branch…
Hat Creek Radio Observatory Allen Telescope Array
The Search for Extra-Terrestrial Intelligence (SETI) Institute has been actively engaged in scientific research and education concerning the nature and distribution of life in the universe. Most SETI projects to…
Bear River Canal Emergency Repair
In 2011, a 55-foot-long section of the Bear River Canal near Colfax, California, failed. The canal failure disrupted water supply for thousands of residents of western Placer County. As a…
East Cliff Drive Bluff Protection & Parkway Improvements
For decades, the County of Santa Cruz has been battling bluff erosion along East Cliff Drive at Pleasure Point, one of the most heavily used and valued sections of coastline…