How hard is the water in Vallejo, CA?

The average water hardness in Vallejo, CA is 169 PPM (9.9 GPG), which is classified as moderately hard. This is based on data from 22 water systems serving the area.

Do I need a water softener in Vallejo, CA?

With an average hardness of 169 PPM, a water softener is worth considering for homes in Vallejo. Consider a water softener or conditioner to reduce scale buildup.

How many water systems serve Vallejo, CA?

Vallejo, California is served by 22 water systems across 2 zip codes.

Water Hardness in Vallejo, CA

California · 2 zip codes · 22 water systems

160 PPM

9.3 GPG

Moderately Hard

0Soft60120180300+

Verified — State Lab Tested

City avg (weighted): 169 PPM

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

Primary Water System

City Of Vallejo

CA4810007

160 PPM

9.3 GPG · Moderately Hard

Verified — State Lab Tested

USGS environmental estimate: 81 PPM

Serves: 121,420

What This Means For You

Moderately Hard Water

Your water is moderately hard. You're likely seeing scale buildup on fixtures, spotty dishes, and may notice dry skin or hair. A water softener or conditioner can help.