Water Hardness in Hartford, AR

Q: Do I need a water softener in Hartford, AR?

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

Q: How many water systems serve Hartford, AR?

Hartford, Arkansas has 5 matched water systems across 1 zip code.

Arkansas · 1 zip codes · 5 matched water systems

30 PPM

1.8 GPG

Soft

0Soft60120180300+

Verified — Annual Water Quality Report

City avg (weighted): 30 PPM

Dataset updated March 9, 20265 matched water systems in the city rollupIndividual systems and ZIPs can differ. Methodology

System used for this reading

Fort Smith Water Utilities

AR0000507

Water source: surface water

Serves: 86,209

USGS environmental estimate: 84 PPM

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

4 verified treated-water sources

5 matched systems total for this city; treated-water reports are prioritized when available.

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 Hartford

These systems are matched to Hartford, AR. 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.

Water System	Source	Hardness	Pop. Served	Data Source
Fort Smith Water Utilities AR0000507	surface water	30 PPM Soft USGS estimate: 84 PPM	86,209	Verified — Annual Water Quality Report
James Fork Regional Water District AR0000513	surface water	30 PPM Soft USGS estimate: 132 PPM	11,538	Verified — Annual Water Quality Report
Hackett Waterworks AR0000505	surface water	30 PPM Soft USGS estimate: 132 PPM	1,090	Verified — Annual Water Quality Report
Hartford Waterworks AR0000506	surface water	21 PPM Soft	725	Estimated — Nearby Data
Fcmtc Waterworks AR0000514	surface water	30 PPM Soft USGS estimate: 132 PPM	500	Verified — Annual Water Quality Report

Fort Smith Water Utilities

AR0000507

Soft

30 PPMsurface water86,209 servedVerified — Annual Water Quality Report

Source water: 84 PPM

James Fork Regional Water District

AR0000513

Soft

30 PPMsurface water11,538 servedVerified — Annual Water Quality Report

Source water: 132 PPM

Hackett Waterworks

AR0000505

Soft

30 PPMsurface water1,090 servedVerified — Annual Water Quality Report

Source water: 132 PPM

Hartford Waterworks

AR0000506

Soft

21 PPMsurface water725 servedEstimated — Nearby Data

Fcmtc Waterworks

AR0000514

Soft

30 PPMsurface water500 servedVerified — Annual Water Quality Report

Source water: 132 PPM

Zip Codes in Hartford, AR

7293830

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 Hartford, AR.

Submit Your Data

Frequently Asked Questions

How hard is the water in Hartford, AR?

The citywide weighted average water hardness in Hartford, AR is 30 PPM (1.7 GPG), classified as soft. This is based on 5 matched water systems. The gauge highlights Fort Smith Water Utilities, a verified treated-water system, because individual systems can differ from the citywide average.

Do I need a water softener in Hartford, AR?

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

Is hard water in Hartford, AR 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 Hartford, AR?

Hartford, Arkansas is served by 5 matched water systems across 1 zip code.

Learn More About Your Water

Water Hardness Scale: PPM and GPG Chart

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

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