1,2,3-Trichloropropane, also known as TCP, is an organic chemical found in some groundwater supplies. In July 2017, the State Water Resources Control Board approved the maximum contaminant level (MCL) for TCP of 5 parts per trillion (ppt), and compliance monitoring began in January 2018. TCP has been detected in some of the groundwater supplies […]

After a disaster, if you hear reports of broken water or sewage lines, or if officials advise you of a water problem, you may want to shut off your water to prevent tainted water from getting into your home. Turning off your house valve also prevents a broken water line from draining your toilet […]

We all know it’s more important than ever to save water every day. That’s why we’re providing you with how much water each of our districts is conserving each month. Check out how your district is doing below. In August 2025, Cal Water’s overall water-use reduction was 6.7%, marking over four years of water […]

California has a traditionally dry climate, making it important for us to make water conservation a way of life and save water every day. Good conservation practices are necessary to maintain a reliable water supply into our future. Cal Water is always here to assist you in your conservation efforts. The links below can […]

If you have an unusually high Cal Water bill, you can conduct a water evaluation to see where the problem may be. According to EPA WaterSense, on average, 10,000 gallons of water is wasted in the home each year. The total amount of water leaked from U.S. homes could exceed more than 1 trillion […]

California has experienced heavy rainfall and atmospheric rivers in 2023, but that doesn’t take away from the need to save water every day, as the Golden State is known for prolonged periods of drought. Water Conservation Information for Cal Water Customers At Cal Water, we’re committed to ensuring a reliable supply of safe, clean […]

Cal Water offers a number of options for paying your water bill.   Pay with… Automatic Payments Online Bill History Fees Credit Card Debit Card Bank Account Check Cash Online (with an account) Yes  Yes Yes No No Available Yes (if enrolled in paperless billing) None Online (one-time payment) Yes  Yes Yes Yes No […]

Some customers wonder why it’s okay to hand- water with a hose and shut-off nozzle on any day, but not okay to water with a sprinkler system set to only water landscaped areas for a specific amount of time? Hand-watering with a hose and shut-off nozzle allows for more targeted watering. While a sprinkler […]

[…] download the Look for Leaks: Outdoors fact sheet and print it for your reference.) Check for Leaks STEP 1: Start by shutting off the house valve, which will stop all water from running from the front of your home to the back of your property. It’s likely located under the front yard faucet where you attach your […]

Follow these steps. See if your water contains chlorine or chloramine. You can find this information in the water quality report for your water system. If your water contains chlorine: Chlorine evaporates quickly, so the easiest method of removing it from water is to put it in an open container and let it sit […]