California Code of Regulations Title 23 - Waters
California Code of Regulations – Title 23: Waters
Title 23 of the California Code of Regulations (CCR) governs laws and administrative rules relating to water resources, including water rights, water quality, and the management of state water bodies. It is primarily administered by:
State Water Resources Control Board (SWRCB)
Regional Water Quality Control Boards
🔹 Major Areas Covered in Title 23 Include:
1. Water Rights Administration
Appropriative and riparian rights
Licensing and permits for water use
Statements of water diversion and use
Water right hearings and enforcement procedures
2. Water Quality Control
Waste discharge requirements (WDRs)
Stormwater permits (NPDES)
Underground storage tank (UST) regulations
Water recycling criteria
3. Drinking Water Protection
Protection of sources used for public drinking water
Well standards and regulations for groundwater protection
4. Underground Storage Tanks (USTs)
Installation, monitoring, and removal of USTs
Leak prevention and cleanup standards
5. Cleanup and Enforcement Programs
Contaminated site remediation (e.g., leaking UST sites)
Enforcement orders and compliance timelines
6. Water Quality Monitoring
Requirements for testing and reporting
Standards for surface water and groundwater pollutants
🔸 Examples of Specific Sections in Title 23:
| Division | Subject |
|---|---|
| Division 3 | State Water Resources Control Board procedures |
| Division 4 | Regional Water Quality Control Boards |
| Chapter 15 | Waste discharge to land (landfills, ponds, etc.) |
| Chapter 16 | Underground storage tank regulations |
| Chapter 27 | Siting, design, and monitoring of waste management units |
🧭 Agencies Involved:
SWRCB: Oversees water rights and enforces water quality laws statewide.
Regional Water Boards: Implement water quality standards regionally, tailored to local conditions.

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