Water Hardness in 94015
Daly City, California · San Mateo County
Based on laboratory testing of treated tap water reported to state regulators. Updated periodically with the latest compliance data.
Our Estimate
Weighted average from 18 water systems.
What This Means For You
Hard Water - Treatment Recommended
Your water is hard. Scale buildup is likely affecting your plumbing and appliances, reducing their lifespan and efficiency. A water softener is recommended to protect your home.
Recommended Products
Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | Size Calculator | How to Test Your 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 Daly City, CA (94015).
Water Systems Serving 94015
Nearby Zip Codes
Frequently Asked Questions
Is the water hard in Daly City, CA (94015)?
The average water hardness in 94015 is 241 PPM (14.1 GPG), which is classified as hard.
Do I need a water softener in 94015?
With hardness of 241 PPM, a water softener is recommended for homes in 94015.
How many water systems serve 94015?
Zip code 94015 in Daly City, California is served by 18 water systems.
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