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City water profile

Yarnell water quality

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

Median indexed hardness

250PPM

One indexed ZIP

Range 250–250 PPM

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

City summary

What the indexed records say

Yarnell has 1 published ZIP profile across Yavapai County. The indexed median is 250 PPM, compared with 241 PPM across Arizona.

Among the 133 Arizonacities with an indexed median, Yarnell ranks #52from 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
34.7 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 0Low: 1

Observation window: Jun 27, 2016 to Dec 18, 2024.

ZIP directory

Water reports in Yarnell

Open a ZIP for site-level provenance and measurements.

ZIP code

85362

Very Hard

250 PPM

Nearest site
34.7 mi
Confidence
Low

View full ZIP evidence →

Public water systems

Utilities associated with this city

Yarnell Water Improvement Association

PWSID AZ0413057

Groundwater
System population served
515
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 RuleAZ0413057Oct 2, 2023Resolved
Revised Total Coliform RuleAZ0413057Oct 1, 2022Resolved
ChlorineAZ0413057Jan 1, 2022Resolved
Lead and Copper RuleAZ0413057Oct 1, 2021Resolved
ChlorineAZ0413057Apr 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 Yarnell

Is the water hard?

The indexed city median is 250 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.