Copper (Cu) TMDLs for Newport Bay

Newport Bay Copper TMDLs FTP files access
For updates, Subscribe to the E-mail Notification List (Select "TMDL Newport Bay Copper - Metals")

Notice of State Water Board Public Comment Period, Newport Bay Copper TMDLs. In accordance with the State Water Resources Control Board's (State Water Board) Notice of Opportunity for Public Comment (available in English, Spanish/Español, and Traditional [Mandarin] Chinese/繁體中文"到繁體) on the Newport Bay Copper TMDLs, the Basin Plan amendment and supporting documents are available for public comment prior to scheduling a public hearing for consideration of approval by the State Water Board. The Santa Ana Water Board adopted the Basin Plan amendment on December 2, 2022, by Resolution R8-2022-0012. Please note that the end of the Public Comment period for the Newport Bay Copper TMDLs Basin Plan amendment and supporting documents has been revised: Written comments are now due at 12 noon on July 17, 2023.

Basin Plan Amendments for Copper (Cu) TMDLs for Regional Board Hearing - December 2, 2022

• Basin Plan Amendment (BPA) Cu TMDLs - Attachment A to Resolution 2022-0012 
• Substitute Environmental Document (SED) -Cu TMDLs
• Staff Report - Cu TMDLs -SED Appendix A
• SED Appendix B-1a Responses to 2016 Comments Document (2018)
• SED Appendix B-1b Responses to 2016 Board Meeting Comments Document (2021)
• SED Appendix B-2 Responses to August 2018 Comments Document (2021)
• SED Appendix B-3 Responses to 2019 Workshops Comments Document (2021)
• SED Appendix B-4 Responses to August 2021 Comments- Cu TMDLs (2022)
• SED Appendix B-5 Responses to County-City Alternative Implementation Proposal
• Notice of Public Hearing & Filing (October 18, 2022)