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Water Hardness in Coldwater, MS

Mississippi · 1 zip codes · 5 matched water systems

34 PPM
2 GPG
Soft
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 20265 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 5 matched water systems and 1 ZIP code. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis
5 USGS-backed sources
5 matched systems total for this city; USGS monitoring is used where treated-water reports are unavailable.
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 Coldwater

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

5 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.
Town Of Coldwater
MS0690002
Soft
34 PPMgroundwater1,381 servedHigh Confidence — USGS Monitoring
Cottonville-Savage W/A Inc.
MS0690003
Soft
34 PPMgroundwater498 servedHigh Confidence — USGS Monitoring
Arkabutla Water Association
MS0690001
Soft
34 PPMgroundwater454 servedHigh Confidence — USGS Monitoring
Crestfield Water Association
MS0690047
Soft
34 PPMgroundwater74 servedHigh Confidence — USGS Monitoring
Hidden Valley Light Assn
MS0690053
Soft
34 PPMgroundwater61 servedHigh Confidence — USGS Monitoring

Zip Codes in Coldwater, MS

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 Coldwater, MS.

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Frequently Asked Questions

How hard is the water in Coldwater, MS?

The citywide weighted average water hardness in Coldwater, MS is 34 PPM (2 GPG), classified as soft. This is based on 5 matched water systems.

Do I need a water softener in Coldwater, MS?

At 34 PPM, the citywide average is relatively soft. A water softener is generally not necessary.

Is hard water in Coldwater, MS 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 Coldwater, MS?

Coldwater, Mississippi is served by 5 matched water systems across 1 zip code.

Learn More About Your Water