Groundwater is an important resource for Californians because rain and snowfall levels can vary dramatically from year to year. Groundwater provides 40 percent of the state’s water supply in normal years and up to 60 percent in dry years when surface water in lakes, rivers and reservoirs may be reduced.
DWR Updates
As part of an effort to modernize Pyramid Dam located in Los Angeles County, the Department of Water Resources (DWR) recently completed assessments for the dam’s gated and emergency spillways.
The Department of Water Resources has released California's first-ever greenhouse gas emissions performance metric to help the Department reduce its carbon footprint and help the public track the ‘carbon intensity’ of water moving across California.
Lake Oroville Community Update for May 22, 2020.
While adapting to social distancing guidelines and recommendations surrounding the COVID-19 pandemic, Department of Water Resources (DWR) staff have been continuing reliable water delivery to 27 million people through the State Water Project (SWP).
The Oroville Dam Spillways Reconstruction Project and Department of Water Resources State Water Project Deputy Director Ted Craddock, were recognized by the American Society of Civil Engineers (ASCE) with the Outstanding Projects and Leaders (OPAL) awards in Washington, D.C.
A DWR study investigating the growth rate of juvenile Chinook salmon raised in the Suisun Marsh area of Solano County was forced to conclude early due to the ongoing COVID-19 health emergency. Despite the change of plans, DWR scientists were still able to gather all pertinent data and are confident the study will provide useful information regardin ...
A marshy tract known as Sherman Island is one of the most sensitive and geographically important locations for water conveyance in California. On May 11, DWR began a restoration project on the southeast side of the island that combats climate change while protecting statewide water supply.
Lake Oroville Community Update for May 15, 2020.
It’s estimated that the California Gold Rush brought close to 300,000 people from all over the world to our state in the mid-19th century. Among them, were some of the first Asian immigrants to enter the U.S.