The City of San Mateo's water supply is provided by California Water Service (Cal Water), a private water supplier that provides water to 21 districts in California. Cal Water is responsible for developing and enforcing the compliance plan to meet state regulations.
Prohibited Uses of Water
Visit https://www.calwater.com/conservation/drought/prohibited-uses-water/ for more information on prohibited water uses and additional water use restrictions.
City of San Mateo and BAWSCA Rain Barrel Rebate
Prepare for the rainy season by installing a rain barrel! Rebates of up to $100 are now available
Prepare for the rainy season by installing a rain barrel and receive a $100 rebate!
Join the movement to protect our community from pollution while conserving water.
1,000 square feet of roof surface can capture 625 gallons of water for every 1 inch of rainfall, that's over 11,000 gallons from one home per year!
Harvesting rainwater with the help of a rain barrel is one of the simplest ways to lighten your water footprint, fight pollution, and prevent flooding. City of San Mateo residents who buy and install qualifying rain barrels can collect rebates of $100 per barrel.