How hard is the water in Castle Rock, CO?

The average water hardness in Castle Rock, CO is 200 PPM (11.7 GPG), which is classified as hard. This is based on data from 15 water systems serving the area.

Do I need a water softener in Castle Rock, CO?

With an average hardness of 200 PPM, a water softener is recommended for homes in Castle Rock. A water softener is recommended to protect your plumbing and appliances.

How many water systems serve Castle Rock, CO?

Castle Rock, Colorado is served by 15 water systems across 1 zip code.

Water Hardness in Castle Rock, CO

Colorado · 1 zip codes · 15 water systems

200 PPM

11.7 GPG

Hard

0Soft60120180300+

Verified — Annual Water Quality Report

City avg (weighted): 200 PPM

Based on treated water data from the utility's Consumer Confidence Report (CCR) — the annual water quality report your provider is required to publish.

Primary Water System

Castle Rock Town Of

CO0118010

200 PPM

11.7 GPG · Hard

Verified — Annual Water Quality Report

USGS environmental estimate: 42 PPM

Serves: 106,822

What This Means For You

Hard Water - Treatment Recommended

Your water is hard. Scale buildup is likely affecting your plumbing and appliances, reducing their lifespan and efficiency. A water softener is recommended to protect your home.