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Water Hardness in Calhoun, LA

Louisiana · 1 zip codes · 17 matched water systems

30 PPM
1.8 GPG
Soft
0Soft60120180300+
Verified — Annual Water Quality Report

City avg (weighted): 30 PPM

Dataset updated March 9, 202617 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading
Monroe Water System
LA1073031
Water source: surface water
Serves: 57,000
USGS environmental estimate: 26 PPM
Source context

How this city reading is built

This city reading is a weighted rollup across 17 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
15 verified treated-water sources
17 matched systems total for this city; treated-water reports are prioritized when available.
Water source profile
Primarily groundwater
Groundwater commonly picks up calcium and magnesium after contact with rock and soil. 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, LA. Citywide readings are useful for comparison, but the system serving a specific address may differ from the city average.

17 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.
Monroe Water System
LA1073031
Soft
30 PPMsurface water57,000 servedVerified — Annual Water Quality Report
Source water: 26 PPM
West Monroe Water System
LA1073056
Soft
30 PPMgroundwater16,005 servedVerified — Annual Water Quality Report
Source water: 26 PPM
West Hwy 80 Ark Road Ws
LA1073055
Soft
30 PPMgroundwater14,649 servedVerified — Annual Water Quality Report
Source water: 26 PPM
Gowc North Water System
LA1073120
Soft
30 PPMgroundwater13,287 servedVerified — Annual Water Quality Report
Source water: 26 PPM
Gowc East Water System
LA1073121
Soft
30 PPMgroundwater11,742 servedVerified — Annual Water Quality Report
Source water: 26 PPM
Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Calhoun, LA

7122530

What This Means For You

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

Your Water Is Soft

Your water hardness is in the soft range. You likely don't need a water softener. Enjoy your naturally soft water!

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, LA.

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Frequently Asked Questions

How hard is the water in Calhoun, LA?

The citywide weighted average water hardness in Calhoun, LA is 30 PPM (1.7 GPG), classified as soft. This is based on 17 matched water systems. The gauge highlights Monroe Water System, a verified treated-water system, because individual systems can differ from the citywide average.

Do I need a water softener in Calhoun, LA?

At 30 PPM, the citywide average is relatively soft. A water softener is generally not necessary.

Is hard water in Calhoun, LA 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, LA?

Calhoun, Louisiana is served by 17 matched water systems across 1 zip code.

Learn More About Your Water

Water Hardness Scale: PPM and GPG Chart

Use the USGS water hardness scale to compare PPM, GPG, and mg/L levels from soft to very hard water.

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How to Test Water Hardness at Home

Compare free lookups, soap tests, test strips, liquid drop kits, and lab tests for measuring water hardness.

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