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City water profile

Arma water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Arma, Kansas.

Median indexed hardness

163PPM

One indexed ZIP

Range 163–163 PPM

State comparison
126 PPM below
State hardness rank
#408 of 484
Matched utilities
3
Active health records
0

City summary

What the indexed records say

Arma has 1 published ZIP profile across Crawford County. The indexed median is 163 PPM, compared with 289 PPM across Kansas.

Among the 484 Kansascities with an indexed median, Arma ranks #408from highest to lowest. Across all 541 state ZIP profiles, available estimates run from 72.2to 707 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

Soft0 ZIPs
Moderately hard0 ZIPs
Hard1 ZIP
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
8.8 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Jan 25, 2016 to Apr 20, 2026.

ZIP directory

Water reports in Arma

Open a ZIP for site-level provenance and measurements.

ZIP code

66712

Hard

163 PPM

Nearest site
8.8 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Crawford Co Rwd 2

PWSID KS2003717

Surface water
System population served
1,460
Last reported
May 15, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Arma, City Of

PWSID KS2003713

Surface water
System population served
1,406
Last reported
May 15, 2026

The system names this served city; Census place overlap links the city to this ZCTA.

Crawford Co Rwd 3

PWSID KS2003716

Groundwater
System population served
250
Last reported
May 15, 2026

The system names this served city; Census place overlap links the city to this 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
Lead and Copper RuleKS2003716Jan 1, 2026Resolved
LEAD AND COPPER RULE REVISIONSKS2003713Jul 2, 2025Unaddressed
LEAD AND COPPER RULE REVISIONSKS2003716Jul 2, 2025Unaddressed
LEAD AND COPPER RULE REVISIONSKS2003716Oct 17, 2024Unaddressed
TTHMKS2003716Jan 1, 2021Resolved
Total Haloacetic Acids (HAA5)KS2003716Jan 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 Arma

Is the water hard?

The indexed city median is 163 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.