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City water profile

Sunizona water quality

Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Sunizona, Arizona.

Median indexed hardness

245PPM

One indexed ZIP

Range 245–245 PPM

State comparison
4 PPM above
State hardness rank
#73 of 133
Matched utilities
1
Active health records
0

City summary

What the indexed records say

Sunizona has 1 published ZIP profile across Cochise County. The indexed median is 245 PPM, compared with 241 PPM across Arizona.

Among the 133 Arizonacities with an indexed median, Sunizona ranks #73from highest to lowest. Across all 285 state ZIP profiles, available estimates run from 66.4to 1250 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

Soft0 ZIPs
Moderately hard0 ZIPs
Hard0 ZIPs
Very hard1 ZIP

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
49.1 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: Jan 21, 2020 to Mar 31, 2026.

ZIP directory

Water reports in Sunizona

Open a ZIP for site-level provenance and measurements.

Public water systems

Utilities associated with this city

Cs Sunizona Water Company

PWSID AZ0402036

Groundwater
System population served
136
Last reported
May 14, 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
Consumer Confidence RuleAZ0402036Oct 2, 2025Resolved
Consumer Confidence RuleAZ0402036Jul 1, 2025Resolved
Lead and Copper RuleAZ0402036Jan 1, 2024Resolved
Consumer Confidence RuleAZ0402036Oct 2, 2022Resolved
Revised Total Coliform RuleAZ0402036Aug 9, 2022Resolved · health-based
Consumer Confidence RuleAZ0402036Jul 1, 2022Resolved
Revised Total Coliform RuleAZ0402036Dec 27, 2021Resolved
Consumer Confidence RuleAZ0402036Jul 1, 2002Unaddressed

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 Sunizona

Is the water hard?

The indexed city median is 245 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.