WH

Water Hardness in Calhoun, KY

Kentucky · 1 zip codes · 3 matched water systems

146 PPM
8.5 GPG
Moderately Hard
0Soft60120180300+
Estimated — Nearby Data

Dataset updated March 9, 20263 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

Source context

How this city reading is built

This city reading is a weighted rollup across 3 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
3 estimated sources
This city reading needs local confirmation before equipment sizing or purchase decisions.
Water source profile
Primarily surface water
Surface-water hardness can shift with reservoirs, runoff, season, and treatment. This profile is weighted by known population served across matched systems.
Data recency
March 9, 2026
Dataset rebuilt March 9, 2026; individual utility reporting years can vary.

Hardness is a mineral-content reading, not a drinking-water safety rating. Use it for scale, appliance, and softener decisions; check your utility report or test your tap before sizing treatment equipment. See how we calculate local readings.

Water Systems in Calhoun

These systems are matched to Calhoun, KY. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

3 water systems
PWSID is the public water system identifier. Data Source shows whether the hardness value comes from a treated-water report, USGS monitoring, or a local estimate; source year is shown when available.
Beech Grove Water System
KY0750529
Moderately Hard
146 PPMsurface water1,461 servedEstimated — Nearby Data
Calhoun Water Works
KY0750055
Moderately Hard
146 PPMsurface water966 servedEstimated — Nearby Data
Mclean County Regional Water Commission
KY0753505
Moderately Hard
146 PPMsurface water25 servedEstimated — Nearby Data

Zip Codes in Calhoun, KY

What This Means For You

Recommendations are based on the displayed hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

Know your water hardness?

If you've tested your water or have your utility's CCR report, share your reading to help us improve accuracy for Calhoun, KY.

Submit Your Data

Frequently Asked Questions

How hard is the water in Calhoun, KY?

The citywide weighted average water hardness in Calhoun, KY is 146 PPM (8.5 GPG), classified as moderately hard. This is based on 3 matched water systems.

Do I need a water softener in Calhoun, KY?

With a citywide average hardness of 146 PPM, a water softener is worth considering for homes in Calhoun. Confirm your tap reading before sizing equipment.

Is hard water in Calhoun, KY safe to drink?

Water hardness itself is a mineral-content reading, not a drinking-water safety rating. Calcium and magnesium are naturally occurring minerals, but you should check your utility's Consumer Confidence Report for contaminant and compliance information.

How many water systems serve Calhoun, KY?

Calhoun, Kentucky is served by 3 matched water systems across 1 zip code.

Learn More About Your Water