2018 California Integrated Report (Clean Water Act Section 303(d) List and 305(b) Report)

For the 2018 Integrated Report, the North Coast, Lahontan, and Colorado River Basin Regional Water Boards are “on cycle.” In addition, the San Francisco Bay, Los Angeles, Central Valley, and San Diego Regional Water Boards conducted “off-cycle” assessments for one or more waterbodies within their respective regions. The 2018 Integrated Report was approved by U.S. EPA on June 9, 2021.

Project Timeline

March 19, 2020 March 19, 2020
April 30, 2020
April 21, 2020 September 18, 2020 October 20, 2020 February 12, 2021 June 9, 2021
Draft Staff Report released Public Comment Period Hearing on the 303(d) List for Waters in the North Coast Region Release of Revised Staff Report and Response to Comments Adoption Meeting on proposed 303(d) list for the North Coast and statewide 303(d) list Submittal to U.S. EPA Approved by U.S. EPA