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City water profile

Greenwood water quality

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

Median indexed hardness

49PPM

One indexed ZIP

Range 48.9–48.9 PPM

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

City summary

What the indexed records say

Greenwood has 1 published ZIP profile across Sebastian County. The indexed median is 49 PPM, compared with 71 PPM across Arkansas.

Among the 180 Arkansascities with an indexed median, Greenwood ranks #121from 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
10.8 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Jan 12, 2016 to Dec 5, 2024.

ZIP directory

Water reports in Greenwood

Open a ZIP for site-level provenance and measurements.

ZIP code

72936

Soft

48.9 PPM

Nearest site
10.8 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Greenwood Waterworks

PWSID AR0000504

Surface water
System population served
9,905
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
Chlorine dioxideAR0000504Feb 1, 2023Resolved
Chlorine dioxideAR0000504Jan 1, 2023Resolved
Public NoticeAR0000504Jun 1, 2022Resolved
Revised Total Coliform RuleAR0000504Apr 1, 2021Resolved

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 Greenwood

Is the water hard?

The indexed city median is 49 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.