Water Hardness in Gulfport, MS

Q: Do I need a water softener in Gulfport, MS?

At a citywide weighted average of 30 PPM, Gulfport has relatively soft water. A water softener is generally not necessary.

Q: How many water systems serve Gulfport, MS?

Gulfport, Mississippi has 11 matched water systems across 3 zip codes.

Mississippi · 3 zip codes · 11 matched water systems

30 PPM

1.8 GPG

Soft

0Soft60120180300+

Verified — Annual Water Quality Report

City avg (weighted): 30 PPM

Dataset updated March 9, 202611 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading

City Of Gulfport

MS0240003

Water source: groundwater

Serves: 75,056

USGS environmental estimate: 3 PPM

Source context

How this city reading is built

This city reading is a weighted rollup across 11 matched water systems and 3 ZIP codes. Citywide readings are useful for comparison, but individual utility zones and ZIPs can differ.

Source basis

11 verified treated-water sources

11 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 Gulfport

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

11 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.

Water System	Source	Hardness	Pop. Served	Data Source
City Of Gulfport MS0240003	groundwater	30 PPM Soft USGS estimate: 3 PPM	75,056	Verified — Annual Water Quality Report
City Of Biloxi MS0240001	groundwater	30 PPM Soft USGS estimate: 3 PPM	23,310	Verified — Annual Water Quality Report
City Of Long Beach MS0240005	groundwater	30 PPM Soft USGS estimate: 3 PPM	18,514	Verified — Annual Water Quality Report
Diberville W/S MS0240002	groundwater	30 PPM Soft USGS estimate: 3 PPM	12,721	Verified — Annual Water Quality Report
City Of Pass Christian MS0240009	groundwater	30 PPM Soft USGS estimate: 8 PPM	10,436	Verified — Annual Water Quality Report

City Of Gulfport

MS0240003

Soft

30 PPMgroundwater75,056 servedVerified — Annual Water Quality Report

Source water: 3 PPM

City Of Biloxi

MS0240001

Soft

30 PPMgroundwater23,310 servedVerified — Annual Water Quality Report

Source water: 3 PPM

City Of Long Beach

MS0240005

Soft

30 PPMgroundwater18,514 servedVerified — Annual Water Quality Report

Source water: 3 PPM

Diberville W/S

MS0240002

Soft

30 PPMgroundwater12,721 servedVerified — Annual Water Quality Report

Source water: 3 PPM

City Of Pass Christian

MS0240009

Soft

30 PPMgroundwater10,436 servedVerified — Annual Water Quality Report

Source water: 8 PPM

Showing the first 5 systems. Expand to review all matched systems.

Zip Codes in Gulfport, MS

3950130 3950330 3950730

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 Gulfport, MS.

Submit Your Data

Frequently Asked Questions

How hard is the water in Gulfport, MS?

The citywide weighted average water hardness in Gulfport, MS is 30 PPM (1.8 GPG), classified as soft. This is based on 11 matched water systems.

Do I need a water softener in Gulfport, MS?

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

Is hard water in Gulfport, 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 Gulfport, MS?

Gulfport, Mississippi is served by 11 matched water systems across 3 zip codes.

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.

10 min read

How to Test Water Hardness at Home

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

8 min read