Cal Water Updates: June 7th Virtual Meeting on Outlook of Local Water Supply, REBATES, Conservation Tips

South San Francisco, CA  May 27, 2021 by California Water Service Cocalwater logo

NOTE: Most residents in South San Francisco receive water service from California Water Service Co, Bayshore District, with the exception of those who have water services from Westborough Water District. Please note, this information is specific for Cal Water customers.

California Water Service customers: Learn about the future of South San Francisco’s water supply by attending a virtual Urban Water Management Plan meeting on June 7 at 5 p.m. Representatives from Cal Water will also be available to answer questions from customers regarding sources of supply, demand forecasts, and conservation.


2020 Urban Water Management Plan and Water Shortage Contingency Plan Review

As a defined urban water supplier, Cal Water is preparing an update to its Urban Water Management Plans (UWMP) and Water Shortage Contingency Plans (WSCP) that will address the water service conditions in our service areas. It is Cal Water’s intent to adopt the UWMP, and the incorporated WSCP, and file these plans as required. Public review drafts of the UWMP and WSCP for each Cal Water service area and information on each public meeting will be added below as they become available.

Public comments on these draft documents should be emailed to

Please make sure to include the name of the district your comments relate to in the email’s subject {SSF is BAYSHORE DISTRICT)


To review the 380 page downloadable 2020 Urban Water Management Plan for South San Francisco from Cal Water CLICK HERE



In addition, we are sharing information from Cal Water as it pertains to California’s drought:


Conservation Resources

California has a traditionally dry climate, making it important for us to make water conservation a way of life and use water wisely. Good conservation practices help ensure a reliable water supply into our future.

Cal Water is always here to assist you in your conservation efforts. The links below can help you save water and take advantage of the many water conservation programs and resources we offer.


High-efficiency toilet rebate (MaP Premium Models)

Amount: $100

Eligible Devices: Devices from this list

In addition to meeting the rigorous performance standards of WaterSense labeled toilets, MaP premium toilets must use 1.06 gallons per flush or less and meet a minimum MaP threshold of 600 grams of waste removed from the toilet fixture in a single flush.


High-efficiency clothes washer rebate

Amount: $300

Eligible Devices: Devices from this list

High-efficiency clothes washers use 35-50% less water and approximately 50% less energy than traditional washers. See the rebate application for additional restrictions and qualifications.

Smart irrigation controller rebate

Amount: Up to $125

Eligible Devices: Devices from this list

Smart irrigation controllers automatically adjust their watering schedule in response to changing weather conditions. See the rebate application for restrictions and qualifications


High-efficiency sprinkler nozzle rebate

Amount: Up to $5 per nozzle

Eligible Devices: Devices from this list

High-efficiency sprinkler nozzles save water by applying water more slowly and uniformly, minimizing run-off. See the rebate application for additional restrictions and qualifications

General California Water Service Co Info:

Cal Water’s Bayshore District was formed in 1931 with the purchase of the South San Francisco Water Company, the San Carlos Water Company, and the San Mateo water system from Pacific Water Company. We proactively maintain and upgrade our facilities to ensure a reliable, high-quality supply.

Water for our customers is purchased from the City and County of San Francisco (SFPUC), and additional water was provided by five groundwater wells. Our South San Francisco system includes 144 miles of pipeline, 12 storage tanks, one collecting tank, and 21 booster pumps.


For more information please go directly to California Water Service Co website CLICK HERE


Customer Center
341 North Delaware Street
San Mateo, CA 94401
8:00 AM to 4:30 PM
(650) 558-7800
Contact us via email


Ater-Hours Phone Number
(650) 558-7800

Automated Payment Number
(866) 734-0743

Payment Mailing Address
California Water Service
P.O. Box 4500
Whittier, CA 90607-4500

District Manager
Ross Moilan




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