Where does the water in 72422 come from?

Water for zip code 72422 in Corning, Arkansas is provided by 2 water systems. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 72422

Q: Is the water hard in Corning, AR (72422)?

The average water hardness in 72422 is 23 PPM (1.4 GPG), which is classified as soft. No water treatment is typically needed.

Q: Do I need a water softener in 72422?

At 23 PPM, your water is relatively soft. A water softener is generally not necessary, though some homeowners prefer the feel of softened water.

Corning, Arkansas · Clay County

23 PPM

1.4 GPG

Soft

0Soft60120180300+

Estimated — Nearby Data

Dataset updated March 9, 2026Matched to 2 water systemsTap readings can vary by utility zone, treatment, and plumbing. Methodology

Source context

How this ZIP reading is built

This ZIP reading is built from 2 matched water systems. When more than one system is matched, the displayed value is weighted toward larger known service populations when that data is available.

Source basis

2 estimated sources

This ZIP reading needs local confirmation before equipment sizing or purchase decisions.

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 Serving 72422

These are the systems matched to this ZIP code. The displayed ZIP value is weighted toward larger known service populations when population data is available.

2 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
Corning Waterworks AR0000096	groundwater	23 PPM Soft	3,388	Estimated — Nearby Data
St Francis River Reg Water Dd AR0000836	groundwater	23 PPM Soft	2,465	Estimated — County Avg

Corning Waterworks

AR0000096

Soft

23 PPMgroundwater3,388 servedEstimated — Nearby Data

St Francis River Reg Water Dd

AR0000836

Soft

23 PPMgroundwater2,465 servedEstimated — County Avg

Nearby Zip Codes

7244123 7243546 7247039 63954117 7245623 7245323 7242423 63953175 7243628 72462269 63945114 63955249

What This Means For You

Recommendations are based on the displayed ZIP 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 Corning, AR (72422).

Submit Your Data

Frequently Asked Questions

Is the water hard in Corning, AR (72422)?

Our estimate for 72422 is 23 PPM (1.4 GPG), but it is based on nearby, county, or state-level data rather than a direct treated tap-water report for this exact location. Confirm with your utility or a home test.

Do I need a water softener in 72422?

Do not size a softener from this estimate alone. Confirm the actual tap-water hardness before choosing treatment equipment.

Is hard water in 72422 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 72422?

Zip code 72422 in Corning, Arkansas is served by 2 water systems.

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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