Central Valley TMDL Projects
Sacramento-San Joaquin Delta
Methylmercury TMDL
The Delta Methylmercury TMDL was adopted by the Regional Board on 22 April 2010. It was approved by the State Water Resources Control Board and the California Office of Administrative Law. Final approval by the U.S. EPA was received on 20 October 2011. The TMDL was adopted as a Basin Plan Amendment and includes a control program to reduce methylmercury and inorganic mercury in the Delta.
Documents on this page are available upon request. To request a copy please contact Lauren Smitherman at Lauren.Smitherman@waterboards.ca.gov or (916) 464-4668.
Public Meetings, Workshops, and Updates
- February 24, 2021 - Delta Mercury Control Program and Total Maximum Daily Load Review, CEQA Scoping Meeting and Public Workshop Notice
- Update: Comment period extended to March 5, 2021 at 5:00 PM
- Slides of Powerpoint Presentation
- Meeting Recording
Phase I Methylmercury Characterization and Control Studies
- Phase 1 Methylmercury Characterization and Control Study Final Reports are listed on the Archived Documents webpage.
- Delta Stewardship Council’s Delta Science Program
- The Delta Science Program coordinated an Independent Scientific Review Panel to review Municipal Wastewater and Urban Stormwater control studies. The Delta Science Program is currently coordinating a second Independent Scientific Review to review the remaining Tidal Wetlands and Open Water Habitat Final Reports.
- The Independent Scientific Review Panel’s Charge, the Review Panel’s Final Report, and the Tidal Wetlands and Open Water Habitat Final Reports are available on the Delta Stewardship Council’s Delta Science Program’s Independent Scientific Review of the Delta Mercury Control Program Phase 1 webpage.
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Contact Us
- Program Contact
Lauren Smitherman
(916) 464-4668
Lauren.Smitherman@waterboards.ca.gov - Web page problems: Webmaster5@waterboards.ca.gov
- Report an Environmental Concern
