Does Temecula and Murrieta have hard or soft water?
During the past year, RCWD’s water hardness averaged 184 milligrams per liter (mg/L) (equal to 10.7 grains per gallon, 1 grain = 17.1 mg/L). This is considered “hard” water.

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1. What is the fluoride level of Rancho California Water District’s (RCWD) water?
2. Does Temecula and Murrieta have hard or soft water?
3. What about water softeners?
4. Who regulates drinking water quality?