Where does the water in 71923 come from?

Water for zip code 71923 in Arkadelphia, Arkansas is provided by 4 water systems. Contact your local utility for specific source information, or check our detailed page for your area.

Water Hardness in 71923

Q: Is the water hard in Arkadelphia, AR (71923)?

The average water hardness in 71923 is 13 PPM (0.7 GPG), which is classified as soft. No water treatment is typically needed.

Q: Do I need a water softener in 71923?

At 13 PPM, your water is relatively soft. A water softener is generally not necessary, though some homeowners prefer the feel of softened water.

Arkadelphia, Arkansas · Clark County

13 PPM

0.7 GPG

Soft

0Soft60120180300+

Estimated — Nearby Data

Dataset updated March 9, 2026Matched to 4 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 4 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

4 estimated sources

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

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 Serving 71923

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.

4 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
Arkadelphia Waterworks AR0000085	surface water	13 PPM Soft	11,855	Estimated — Nearby Data
Clark County Country Water Facilities AR0000741	surface water	13 PPM Soft	2,403	Estimated — Nearby Data
River Valley Water Assn AR0000833	surface water	13 PPM Soft	1,207	Estimated — Nearby Data
Caddo Valley Waterworks AR0000515	surface water	13 PPM Soft	535	Estimated — Nearby Data

Arkadelphia Waterworks

AR0000085

Soft

13 PPMsurface water11,855 servedEstimated — Nearby Data

Clark County Country Water Facilities

AR0000741

Soft

13 PPMsurface water2,403 servedEstimated — Nearby Data

River Valley Water Assn

AR0000833

Soft

13 PPMsurface water1,207 servedEstimated — Nearby Data

Caddo Valley Waterworks

AR0000515

Soft

13 PPMsurface water535 servedEstimated — Nearby Data

Nearby Zip Codes

7194132 7174311 7192932 7196217 7176321 7192213 7208410 7192113 7210432 7194013 7191357 7185713

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 Arkadelphia, AR (71923).

Submit Your Data

Frequently Asked Questions

Is the water hard in Arkadelphia, AR (71923)?

Our estimate for 71923 is 13 PPM (0.7 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 71923?

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

Is hard water in 71923 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 71923?

Zip code 71923 in Arkadelphia, Arkansas is served by 4 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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