Upcoming Drinking Water Regulations
Recently Adopted Drinking Water-Related Regulations
Annual Division of Drinking Water Regulatory Priority Board Resolutions
Regulations in Process or Planned
- Maximum Contaminant Levels (MCL)
- Chromium (hexavalent)
- Perfluorooctanoic acid (PFOA) and Perfluorooctane sulfonic acid (PFOS)
- Arsenic
- N-nitroso-dimethylamine (NDMA)
- Styrene
- Cadmium and Mercury
- Disinfection Byproducts (DBPs)
- Lead and Copper Rule (LCR)
- Detection Limits for Purposes of Reporting
- Primacy Package Approvals
- Public Notification Rule
- Consumer Confidence Reports (CCRs).
- Rulemaking page coming soon. More information on CCRs.
- Water Quality Standards for On-site Treatment and Reuse
- Notification and Response Levels (NL/RL)
- Electronic Reporting of Drinking Water Quality Data
- Quinquennial Maximum Contaminant Levels Review
- Financial Assurances. Rulemaking page coming soon.
- Direct Potable Reuse
Other Regulations of Interest
- Recycled Water Regulations: DDW's activities related to recycled water.
- Drinking Water Program Fees
- ELAP Regulations: Public drinking water systems must utilize accredited laboratories for water analyses. Follow this link for more information about regulations for the Environmental Laboratory Accreditation Program.
- Recently Adopted Regulations
- Cross Connection Control Regulations: Visit the State Water Board’s Cross-Connection Control Policy Handbook for more information.
The current cross connection control regulations are found in Title 17 California Code of Regulations, in Division 1, Chapter 5, Subchapter 1, Group 4, and are available California Code of Regulations - Microplastics
Upcoming Federal Rules
Other Information
- Division of Drinking Water
- Information for Public Water Systems
- Recently Adopted Regulations
- Annual Division of Drinking Water Regulatory Priority Board Resolutions
- 2024: State Water Board Resolution No. 2024-0009
- 2023: State Water Board Resolution No. 2023-0007
- 2022: State Water Board Resolution No. 2022-0007
- 2021: State Water Board Resolution No. 2021-0009
- 2020: State Water Board Resolution No. 2020-0005
- 2019: State Water Board Resolution No. 2019-0009
- 2018: State Water Board Resolution No. 2018-0009
Contact Information
Melissa Hall, P.E.
Senior Water Resource Control Engineer
(916) 323-0373
Melissa.Hall@waterboards.ca.gov
Randy Barnard, P.E.
Supervising Water Resource Control Engineer
(619) 525-4022
Randy.Barnard@waterboards.ca.gov