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Water Hardness in 91737

Alta Loma, California · San Bernardino County

213 PPM
12.5 GPG
Hard
0Soft60120180300+
Verified — State Lab Tested

Based on laboratory testing of treated tap water reported to state regulators. Updated periodically with the latest compliance data.

Our Estimate

213 PPM
12.5 GPG
Hard

Weighted average from 25 water systems.

What This Means For You

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If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Alta Loma, CA (91737).

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Water Systems Serving 91737

Nearby Zip Codes

Frequently Asked Questions

Is the water hard in Alta Loma, CA (91737)?

The average water hardness in 91737 is 213 PPM (12.5 GPG), which is classified as hard.

Do I need a water softener in 91737?

With hardness of 213 PPM, a water softener is recommended for homes in 91737.

How many water systems serve 91737?

Zip code 91737 in Alta Loma, California is served by 25 water systems.

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