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City water profile

Cave Creek water quality

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

Median indexed hardness

230PPM

One indexed ZIP

Range 230–230 PPM

State comparison
11 PPM below
State hardness rank
#98 of 133
Matched utilities
2
Active health records
0

City summary

What the indexed records say

Cave Creek has 1 published ZIP profile across Maricopa County. The indexed median is 230 PPM, compared with 241 PPM across Arizona.

Among the 133 Arizonacities with an indexed median, Cave Creek ranks #98from 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.

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
14.3 miles
Profiles with evidence
1/1

Confidence labels

High: 0Moderate: 1Low: 0

Observation window: Jan 4, 2016 to May 29, 2026.

ZIP directory

Water reports in Cave Creek

Open a ZIP for site-level provenance and measurements.

ZIP code

85331

Very Hard

230 PPM

Nearest site
14.3 mi
Confidence
Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Cave Creek Water

PWSID AZ0407016

Surface water
System population served
5,895
Last reported
May 14, 2026

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

Desert Hills Water

PWSID AZ0407026

Surface water
System population served
4,220
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.

No violation records are included in the current lookback window.

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 Cave Creek

Is the water hard?

The indexed city median is 230 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.