DWR Updates

Sacramento River Winter-Run Chinook Salmon

As planning and environmental review efforts continue to support DWR's determination of whether a single tunnel option to modernize Delta conveyance should be approved, an important component of the environmental review process is to assess environmental resource impacts within the Sacramento-San Joaquin Delta’s (Delta) estuary.

Remains of the U.S. Bureau of Reclamation’s Green Mountain snow sensor in the upper San Joaquin River watershed. The 2020 Creek Fire destroyed the sensor and weather station and the tower, although still upright, is unusable.

The impacts of California’s ongoing dry and warm years were seen this year with a historic wildfire season. Correspondingly, the risk of wildfire damage to water infrastructure is increasing, including risks of secondary impacts from burned area sediment entering waterbodies and affecting water treatment plant operations.