California SB463 mandates drought resiliency measures for water systems, including capacity upgrades and backup sources.

California SB463 requires water systems to ensure source, treatment, and distribution system capacities to meet fire flow requirements by January 1, 2032. It mandates at least one backup water source by January 1, 2027, and metering of service connections to monitor for water loss by January 1, 2032. Small water suppliers and schools must implement monitoring systems for groundwater levels by January 1, 2023, and maintain membership in CalWARN or similar organizations. Exemptions apply for systems unable to obtain state funding.

California SB463 mandates drought resiliency measures for water systems, including capacity upgrades and backup sources.

California SB463 requires water systems to ensure source, treatment, and distribution system capacities to meet fire flow requirements by January 1, 2032. It mandates at least one backup water source by January 1, 2027, and metering of service connections to monitor for water loss by January 1, 2032. Small water suppliers and schools must implement monitoring systems for groundwater levels by January 1, 2023, and maintain membership in CalWARN or similar organizations. Exemptions apply for systems unable to obtain state funding.