How hard is the water in Post Falls, ID?

The average water hardness in Post Falls, ID is 124 PPM (7.3 GPG), which is classified as moderately hard. This is based on data from 13 water systems serving the area.

Do I need a water softener in Post Falls, ID?

With an average hardness of 124 PPM, a water softener is worth considering for homes in Post Falls. Consider a water softener or conditioner to reduce scale buildup.

How many water systems serve Post Falls, ID?

Post Falls, Idaho is served by 13 water systems across 1 zip code.

Water Hardness in Post Falls, ID

Idaho · 1 zip codes · 13 water systems

124 PPM

7.3 GPG

Moderately Hard

0Soft60120180300+

USGS — Environmental Monitoring

Based on EPA and USGS water quality monitoring data from environmental sources (wells, streams, aquifers) near your water system. Actual tap water may differ after treatment — for precise results, test your water at home.

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.