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City water profile

Danville water quality

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

Median indexed hardness

11PPM

One indexed ZIP

Range 11.3–11.3 PPM

State comparison
60 PPM below
State hardness rank
#177 of 180
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Danville has 1 published ZIP profile across Yell County. The indexed median is 11 PPM, compared with 71 PPM across Arkansas.

Among the 180 Arkansascities with an indexed median, Danville ranks #177from 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.

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
24.6 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Feb 11, 2016 to May 29, 2026.

ZIP directory

Water reports in Danville

Open a ZIP for site-level provenance and measurements.

ZIP code

72833

Soft

11.3 PPM

Nearest site
24.6 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Danville Waterworks

PWSID AR0000603

Surface water
System population served
2,810
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

No active health-based violation appears among the associated systems in the represented EPA reporting quarter. This does not mean every contaminant was tested at every tap.

RecordSystemPeriodStatus
Surface Water Treatment RuleAR0000603Dec 1, 2025Archived · health-based
TTHMAR0000603Jul 1, 2025Archived · health-based
TTHMAR0000603Apr 1, 2025Archived · health-based
Interim Enhanced Surface Water Treatment RuleAR0000603Feb 1, 2025Archived · health-based
Surface Water Treatment RuleAR0000603Jan 1, 2025Archived · health-based
TTHMAR0000603Jan 1, 2025Archived · health-based
Surface Water Treatment RuleAR0000603Feb 1, 2024Archived · health-based
Interim Enhanced Surface Water Treatment RuleAR0000603Jan 1, 2024Archived · health-based
Surface Water Treatment RuleAR0000603Jan 1, 2024Archived · health-based
Surface Water Treatment RuleAR0000603Jan 1, 2023Archived · health-based

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 Danville

Is the water hard?

The indexed city median is 11 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.