Water Hardness in 94086
Sunnyvale, California · Santa Clara 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 15 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 Sunnyvale, CA (94086).
Water Systems Serving 94086
Nearby Zip Codes
Frequently Asked Questions
Is the water hard in Sunnyvale, CA (94086)?
The average water hardness in 94086 is 188 PPM (11 GPG), which is classified as hard.
Do I need a water softener in 94086?
With hardness of 188 PPM, a water softener is recommended for homes in 94086.
How many water systems serve 94086?
Zip code 94086 in Sunnyvale, California is served by 15 water systems.
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