NOTICE: Status of Water Quality Objectives for Salinity in the Lower San Joaquin River

From the State Water Resources Control Board:

Based upon measured and forecasted conditions during water year 2023, it is expected that the Extended Dry Period for the lower San Joaquin River will end on 30 September 2023. The standard water quality objective of 1550 μS/cm, expressed as a 30-day running average, would apply for the Lower San Joaquin River between the mouth of the Merced River and Vernalis beginning on 1 October 2023.

Please see the memorandum below for more information regarding water quality objectives for salinity in the lower San Joaquin River.

If you have any questions or comments regarding the memorandum, please contact Angela Llaban at angela.llaban@waterboards.ca.gov.