CA SB166

State Water Resources Control Board must adopt regulations by December 1, 2025 for microbiological, chemical, and physical water quality standards for voluntary onsite treatment and reuse of process water in breweries, in consultation with the State Department of Public Health Food and Drug Branch.

Breweries implementing process water treatment systems must submit reports to the state board and food and drug branch at startup and annually thereafter, including sources of process water, end uses, treatment descriptions, water quality monitoring data, and contact information.

Process water treatment systems must comply with regulations within 2 years of the effective date, with possible extensions up to 5 years for extenuating circumstances, provided the water remains safe and sanitary during interim periods.

Food and Drug Branch must consult with the state board before requiring termination of a process water treatment system and must provide reasonable opportunity for breweries to come into compliance with applicable regulations.

Breweries must consult with water and wastewater service providers in their service area before beginning onsite process water reuse, and may operate treatment systems even if local jurisdictions have not established onsite treated nonpotable water programs.