CA State Water Resources Control Board Enforcement

California Water Quality Enforcement Policy 2024 Guidance

The California State Water Resources Control Board has published the 2024 Water Quality Enforcement Policy, replacing the 2017 version. The policy provides guidance for Water Board staff on enforcement processes to address water quality violations under the Porter-Cologne Water Quality Control Act. A revised penalty methodology spreadsheet accompanies the policy.

California Water Quality Enforcement Policy

The California State Water Resources Control Board adopted a revised Water Quality Enforcement Policy effective November 7, 2024, establishing a structured 10-step methodology for calculating administrative civil liability in water quality enforcement cases. The policy covers both discharge violations (per-gallon and per-day assessments) and non-discharge violations, includes mandatory minimum penalties for NPDES permit violations, and incorporates environmental justice provisions for disadvantaged communities.