How hard is the water in Clearlake Oaks, CA?

The average water hardness in Clearlake Oaks, CA is 210 PPM (12.3 GPG), which is classified as hard. This is based on data from 2 water systems serving the area.

Do I need a water softener in Clearlake Oaks, CA?

With an average hardness of 210 PPM, a water softener is recommended for homes in Clearlake Oaks. A water softener is recommended to protect your plumbing and appliances.

How many water systems serve Clearlake Oaks, CA?

Clearlake Oaks, California is served by 2 water systems across 1 zip code.

Water Hardness in Clearlake Oaks, CA

California · 1 zip codes · 2 water systems

143 PPM

8.4 GPG

Moderately Hard

0Soft60120180300+

Verified — State Lab Tested

City avg (weighted): 210 PPM

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

Primary Water System

Clearlake Oaks County Water District

CA1710001

143 PPM

8.4 GPG · Moderately Hard

Verified — State Lab Tested

USGS environmental estimate: 125 PPM

Serves: 2,359

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.