How hard is the water in San Pablo, CA?

The average water hardness in San Pablo, CA is 105 PPM (6.1 GPG), which is classified as slightly hard. This is based on data from 8 water systems serving the area.

Do I need a water softener in San Pablo, CA?

At 105 PPM, San Pablo has relatively soft water. A water softener is generally not necessary.

How many water systems serve San Pablo, CA?

San Pablo, California is served by 8 water systems across 1 zip code.

Water Hardness in San Pablo, CA

California · 1 zip codes · 8 water systems

76 PPM

4.4 GPG

Slightly Hard

0Soft60120180300+

Verified — State Lab Tested

City avg (weighted): 105 PPM

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

Primary Water System

Contra Costa Water District

CA0710003

76 PPM

4.4 GPG · Slightly Hard

Verified — State Lab Tested

USGS environmental estimate: 422 PPM

Serves: 198,000

What This Means For You

Slightly Hard Water

Your water is slightly hard. You may notice minor spotting on dishes or a slight film on faucets. A water softener is optional but can improve water quality.