The Lower San Joaquin River (LSJR) Committee was established in 2010 as a subcommittee of the Central Valley Salinity Alternatives for Long-Term Sustainability (CV-SALTS) Initiative. Operating as a subcommittee of the CV-SALTS Executive Committee, the LSJR Committee developed recommendations for updated water quality objectives, and an implementation plan to support those objectives. Members of the committee were stakeholders in the Lower San Joaquin River watershed with an interest in the management of salt. Committee members represented municipalities, irrigated agriculture, food processors, irrigation districts, and state and federal agencies. The committee conducted a review of beneficial uses and water quality objectives for salinity and boron on the portion of the Lower San Joaquin River between the Merced River and Vernalis, with the goal to develop water quality objectives that support the beneficial uses on the Lower San Joaquin River.
On June 9, 2017, the Central Valley Water Board adopted Resolution R5-2017-0062 amending the Water Quality Control Plan for the Sacramento River and San Joaquin River Basins to add EC water quality objectives in the San Joaquin River between the mouth of the Merced River and the Airport Way Bridge near Vernalis. The amendment was approved by the State Water Board and Office of Administrative Law in early 2018. The amendment became final with U.S. EPA’s approval on December 17, 2018. The new water quality objectives became effective on January 1, 2020.
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