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City water profile

Coal Hill water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Coal Hill, Arkansas.

Median indexed hardness

52PPM

One indexed ZIP

Range 52.4–52.4 PPM

State comparison
19 PPM below
State hardness rank
#110 of 180
Matched utilities
1
Active health records
1

City summary

What the indexed records say

Coal Hill has 1 published ZIP profile across Johnson County. The indexed median is 52 PPM, compared with 71 PPM across Arkansas.

Among the 180 Arkansascities with an indexed median, Coal Hill ranks #110from highest to lowest. Across all 210 state ZIP profiles, available estimates run from 4.8to 283 PPM.

Because only one ZIP is represented, the city median and range are the same local estimate. It should not be read as multiple independent samples across the community. At least one estimate is marked low confidence, so observation distance and date deserve extra attention.

Hardness distribution

How local ZIP estimates compare

Soft1 ZIP
Moderately hard0 ZIPs
Hard0 ZIPs
Very hard0 ZIPs

1 of 1 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance
25.4 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: Jan 12, 2016 to May 29, 2026.

ZIP directory

Water reports in Coal Hill

Open a ZIP for site-level provenance and measurements.

ZIP code

72832

Soft

52.4 PPM

Nearest site
25.4 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Coal Hill Waterworks

PWSID AR0000290

Surface water
System population served
1,372
Last reported
May 12, 2026

A municipal system, in-state city, and served county all agree with this Census ZCTA.

Compliance history

What EPA records show

1 unique active health-based record appears among associated systems. This does not mean every contaminant was tested at every tap.

RecordSystemPeriodStatus
LEAD AND COPPER RULE REVISIONSAR0000290Apr 30, 2026Unaddressed · health-based
Stage 1 Disinfectants and Disinfection Byproducts RuleAR0000290Oct 1, 2025Resolved · health-based
Revised Total Coliform RuleAR0000290Feb 1, 2024Resolved
Revised Total Coliform RuleAR0000290Jan 1, 2023Resolved

Practical next steps

Move from index to evidence

  1. 1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
  2. 2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
  3. 3. Test the tap when needed. Confirm health concerns or treatment sizing with the right method.

Questions people ask

About water in Coal Hill

Is the water hard?

The indexed city median is 52 PPM. Open the ZIP report to verify the distance and confidence behind that estimate.

Is the tap water safe?

Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.

Do I need treatment?

Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.