Water Hardness in Thornton, CA
California · 1 zip codes · 10 water systems
40 PPM
2.3 GPG
Soft0Soft60120180300+
Verified — State Lab Tested
City avg (weighted): 111 PPM
Based on laboratory testing of treated tap water reported to state regulators. Updated periodically with the latest compliance data.
Primary Water System
City Of Stockton
CA3910012
40 PPM
2.3 GPG · Soft
Verified — State Lab Tested
USGS environmental estimate: 260 PPM
Serves: 191,302
What This Means For You
Your Water Is Soft
Your water hardness is in the soft range. You likely don't need a water softener. Enjoy your naturally soft water!
Know your water hardness?
If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Thornton, CA.
Water Systems in Thornton
Zip Codes in Thornton, CA
Learn More About Your Water
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