The Big Creek hydrographic system covers roughly 1650 square miles of the upper San Joaquin River watershed in the central High Sierra region of California. The upper San Joaquin River watershed is the source region for much of California’s potable water supply.

As part of the contract Dewberry engineers in the company’s Sacramento-area office will integrate meteorological data collection, hydrologic modeling, reservoir operation simulation and hydraulic analysis to create the water resources model.