How hard is the water in Piedmont, CA?

The average water hardness in Piedmont, CA is 91 PPM (5.3 GPG), which is classified as slightly hard. This is based on data from 14 water systems serving the area.

Do I need a water softener in Piedmont, CA?

At 91 PPM, Piedmont has relatively soft water. A water softener is generally not necessary.

How many water systems serve Piedmont, CA?

Piedmont, California is served by 14 water systems across 2 zip codes.

Water Hardness in Piedmont, CA

California · 2 zip codes · 14 water systems

20 PPM

1.2 GPG

Soft

0Soft60120180300+

Verified — State Lab Tested

City avg (weighted): 91 PPM

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

Primary Water System

East Bay Mud

CA0110005

20 PPM

1.2 GPG · Soft

Verified — State Lab Tested

USGS environmental estimate: 326 PPM

Serves: 1,442,800

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 Piedmont, CA.

Submit Your Data

Water Systems in Piedmont

Zip Codes in Piedmont, CA

9461191 9461891

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