The Sacramento-San Joaquin River Delta and San Francisco Bay collectively make up the "Bay-Delta." Much of the fresh water used for agriculture, municipal and industrial use in central and southern California passes through the Delta, where it is subjected to tidal forcing and other inputs that impact its quality. The USGS monitors the magnitude of the flows through the Delta, and the qua
USGS Science at Work in the San Francisco Bay Estuary
In an article written for the Interagency Ecological Program for the San Francisco Estuary, Dr. Paul Work and Dr. Maureen Downing-Kunz, of the California Water Science Center, provide examples of the work being done to measure water flow and quality.
Topics Related to the Bay-Delta
See some of the other ways USGS science is at work in the San Francisco Bay and Sacramento-San Joaquin Delta.