Where does the water in 72086 come from?

Water for zip code 72086 in Lonoke, 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 72086

Lonoke, Arkansas · Lonoke County

71 PPM

4.1 GPG

Slightly Hard

0Soft60120180300+

Verified — Annual Water Quality Report

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

1 verified treated-water source

4 matched systems total for this ZIP; 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 Serving 72086

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
Cabot Waterworks AR0000338	surface water	30 PPM Soft USGS estimate: 59 PPM	26,770	Verified — Annual Water Quality Report
Grand Prairie Bayou 2 Pwa AR0000734	surface water	59 PPM Soft	13,519	High Confidence — USGS Monitoring
Ward Waterworks AR0000345	surface water	139 PPM Moderately Hard	12,579	High Confidence — USGS Monitoring
Lonoke Waterworks AR0000343	groundwater	161 PPM Moderately Hard	4,277	High Confidence — USGS Monitoring

Cabot Waterworks

AR0000338

Soft

30 PPMsurface water26,770 servedVerified — Annual Water Quality Report

Source water: 59 PPM

Grand Prairie Bayou 2 Pwa

AR0000734

Soft

59 PPMsurface water13,519 servedHigh Confidence — USGS Monitoring

Ward Waterworks

AR0000345

Moderately Hard

139 PPMsurface water12,579 servedHigh Confidence — USGS Monitoring

Lonoke Waterworks

AR0000343

Moderately Hard

161 PPMgroundwater4,277 servedHigh Confidence — USGS Monitoring

Nearby Zip Codes

7202478 7211730 7214263 7217663 7202358 7200763 7207630 7209930 7208367 72064346 7204685 7211630

What This Means For You

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

Slightly Hard Water

Your water is slightly hard. You may notice minor spotting on dishes or a slight film on faucets. A water softener is optional but can improve water quality.

Recommended Products

Water Hardness Test Kit

Our PickVarify (150 Strips)Also GreatJNW Direct (150 Strips)

Salt-Free Water Conditioner

Our PickSpringWell Salt-Free Cartridge

Learn more: Do I Need a Water Softener? | Salt-Based vs Salt-Free | How to Test Your 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 Lonoke, AR (72086).

Submit Your Data

Frequently Asked Questions

Is the water hard in Lonoke, AR (72086)?

The average water hardness in 72086 is 71 PPM (4.1 GPG), which is classified as slightly hard.

Do I need a water softener in 72086?

At 71 PPM, your water is relatively soft. A water softener is generally not necessary.

Is hard water in 72086 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 72086?

Zip code 72086 in Lonoke, Arkansas is served by 4 water systems.