Skip to content
  • Español
  • Contact Us
  • Facebook
  • Twitter
  • Instagram
  • YouTube
  • RSS
  • Video Library
  • Welcome
  • Overview
  • Usage
  • Usage History
  • Transactions
  • Pay My Bill
  • Logout
  • Forgot username or password
  • Login
  • Create account
California Water Service. Quality. Service. Value.

Menu

MENUMENU
  • Districts
    • Districts

      • Find My District
      • City, Community, and Water System List
      • District Phone Numbers
      • Antelope Valley
      • Bakersfield
      • Bayshore
      • Bear Gulch
      • Chico
      • Dixon
      • East Los Angeles
      • Kern River Valley
      • King City
      • Livermore
      • Los Altos
      • Marysville
      • Oroville
      • Rancho Dominguez
      • Redwood Valley
      • Salinas
      • Selma
      • Stockton
      • Tesoro Viejo
      • Travis
      • Visalia
      • Westlake
      • Willows
  • Customer Care
    • Customer Care

      • Your Account
      • Pay Your Bill
      • Payment Options
      • Update Contact Information
      • High Bills
      • Customer Assistance Program (CAP)
      • Locate a Payment Center
      • Emergency Preparedness
      • Office Closure Dates
      • Customer Care FAQs
      • Online Account Maintenance FAQs
  • Conservation
    • Conservation

      • Rebates
      • Smart Landscape Tune-Up Program
      • Conservation Kits
      • H2O Challenge
      • Drought Information
      • Report Leaks and Waste
      • Conservation Resources
      • Conservation FAQs
  • Water Quality
    • Water Quality

      • Water Quality Reports
      • Contaminants in Detail
      • Water Treatment and Disinfection
      • Water Quality Testing Labs
      • Backflow Prevention
      • Water Quality FAQs
  • In Your Community
    • In Your Community

      • Reliability Runs Deep
      • Cal Water in the Community
      • Community Giving
      • ESG Report
      • College Scholarship Program
 December 31, 2021 - Los Altos hard water  March 12, 2020 - CUSTOMER CENTER LOBBIES CLOSED

2015 H20 Challenge

Published on February 22, 2018 in 2015 H2O Challenge – The Winner’s RewardFull resolution (400 × 200)
← Previous
2015 H20 Challenge

About Cal Water

  • Company Information
  • Latest News
  • In the News
  • Current Alerts
  • Infrastructure Updates
  • HomeServe
  • For Suppliers

Districts

  • District Information
  • Find My District
  • City, Community, and Water System List
  • District Phone Numbers

Customer Care

  • Your Account
  • Pay Your Bill
  • Payment Options
  • Update Contact Info
  • High Bills
  • Customer Assistance Program (CAP)
  • Locate a Payment Center
  • Emergency Preparedness
  • Office Closure Dates

Conservation

  • Rebates
  • Smart Landscape Tune-Up Program
  • Conservation Kits
  • H2O Challenge
  • Latest Drought News
  • Report Leaks and Waste
  • Conservation Resources

Water Quality

  • Water Quality Reports
  • Contaminants in Detail
  • Water Treatment and Disinfection
  • Water Quality Testing Labs
  • Backflow Prevention

Community

  • Reliability Runs Deep
  • In the Community
  • Community Giving
  • ESG Report
  • College Scholarship Program

Rates

  • Rates and Tariffs
  • Advice Letters
  • Infrastructure Improvement Plans
  • Operating Rules
  • Preliminary Statements
  • Service Area Maps
  • Other Filings

Help

  • Customer Care FAQs
  • Conservation FAQs
  • Water Quality FAQs
  • Rates FAQs
  • Online Account FAQs
  • Video Library
  • Contact Us

Policies

  • Accessibility Statement
  • Privacy Policy
  • Terms of use

Corporate Web Site

  • Corporate Overview
  • Investor Relations
  • Stock Information
  • Sustainability Policy
  • Careers

Join Us

  • FacebookFacebook
  • TwitterTwitter
  • InstagramInstagram
  • YouTubeYouTube
  • RSSRSS
  • Video LibraryVideo Library
  • Site Map
Copyright © 1998–2022 California Water Service