Total Maximum Daily Loads (TMDL)
and Impaired Water Bodies 303(d) List
Table of Contents
- TMDL Background and Information
- The 303(d) List of Impaired Water Bodies
Explanation of impaired water body listings and links to Central Valley and statewide 303(d) information. - TMDL Projects in the Central Valley Region
- TMDL Projects Currently in Development
- Completed TMDL Development Projects
- Cache Creek, Bear Creek, and Harley Gulch Mercury TMDL and Basin Plan Amendment
- Central Valley Pesticide TMDL and Basin Plan Amendment
- Central Valley Pyrethroid Pesticides TMDL and Basin Plan Amendment
- Clear Lake Mercury TMDL
- Clear Lake Nutrient TMDL
- Grasslands Marshes Selenium TMDL
- Sacramento and Feather Rivers Diazinon and Chlorpyrifos TMDL and Basin Plan Amendment
- Sacramento County Urban Creeks Diazinon and Chlorpyrifos TMDL
- Sacramento River (Upper) Cadmium, Copper and Zinc TMDL
- Sacramento-San Joaquin Delta Methylmercury TMDL
- Sacramento-San Joaquin Delta Diazinon and Chlorpyrifos TMDL
- Salt Slough Selenium TMDL
- San Joaquin River Dissolved Oxygen TMDL
- San Joaquin River Diazinon and Chlorpyrifos TMDL
- San Joaquin River Salt and Boron TMDL and Water Quality Objectives Basin Plan Amendments
- San Joaquin River Selenium TMDL
- Stockton Urban Waterbodies Pathogen TMDL
- Other TMDL Projects (not Completed, Currently in Development, or Basin Plan Amendment)
- Water Quality Report Cards
These report cards are one-page summaries of TMDLs and other water quality improvement projects in progress. - TMDL-Related Links
- Public Notices
Public Notices on TMDL Projects.
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- Subscribe to one of our Individual TMDL Projects, electronic mailing lists, and receive notifications, updates and other correspondence by e-mail.
Contact Us
Facts and Information
- Fiscal Year 23/24 Annual Report Video
(Video will open in YouTube)
