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Water Hardness in 72601

Harrison, Arkansas · Boone County

195 PPM
11.4 GPG
Hard
0Soft60120180300+
High Confidence — USGS Monitoring

Dataset updated March 9, 2026Matched to 6 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 6 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
6 USGS-backed sources
6 matched systems total for this ZIP; USGS monitoring is used where treated-water reports are unavailable.
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 72601

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.

6 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.
Harrison Waterworks
AR0000062
Hard
195 PPMsurface water17,455 servedHigh Confidence — USGS Monitoring
Sw Boone County Water Assoc
AR0000628
Hard
195 PPMsurface water4,558 servedHigh Confidence — USGS Monitoring
Bergman Waterworks
AR0000060
Hard
195 PPMgroundwater3,285 servedHigh Confidence — USGS Monitoring
Krooked Kreek Water Assn
AR0000706
Hard
195 PPMgroundwater2,250 servedHigh Confidence — USGS Monitoring
Cottonwood Water Association
AR0000813
Hard
195 PPMsurface water820 servedHigh Confidence — USGS Monitoring
Showing the first 5 systems. Expand to review all matched systems.

Nearby Zip Codes

What This Means For You

Recommendations are based on the displayed ZIP hardness reading. Confirm your tap reading before sizing or buying treatment equipment.

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 Harrison, AR (72601).

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Frequently Asked Questions

Is the water hard in Harrison, AR (72601)?

The average water hardness in 72601 is 195 PPM (11.4 GPG), which is classified as hard.

Do I need a water softener in 72601?

With hardness of 195 PPM, a water softener is recommended for homes in 72601.

Is hard water in 72601 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 72601?

Zip code 72601 in Harrison, Arkansas is served by 6 water systems.

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