Cal. Water Code § 79520

The sum of fifty million dollars ($50,000,000) shall be available for appropriation by the Legislature from the fund for the purpose of protecting state, local, and regional drinking water systems from terrorist attack or deliberate acts of destruction or degradation. This money may be expended or granted for monitoring and early warning systems, fencing, protective structures, contamination treatment facilities, emergency interconnections, communications systems, and other projects designed to prevent damage to water treatment, distribution, and supply facilities, to prevent disruption of drinking water deliveries, and to protect drinking water supplies from intentional contamination.