City water profile

Chandler water quality

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

Median indexed hardness

228PPM

6 indexed ZIPs

Range 208–261.5 PPM

State comparison: 13 PPM below
State hardness rank: #101 of 133
Matched utilities: 6
Active health records: 0

City summary

What the indexed records say

Chandler has 6 published ZIP profiles across Maricopa County. The indexed median is 228 PPM, compared with 241 PPM across Arizona.

Among the 133 Arizonacities with an indexed median, Chandler ranks #101from highest to lowest. Across all 285 state ZIP profiles, available estimates run from 66.4to 1250 PPM.

The 208–261.5 PPM range shows how much the available ZIP estimates vary within the city label.

Hardness distribution

How local ZIP estimates compare

Soft0 ZIPs

Moderately hard0 ZIPs

Hard0 ZIPs

Very hard6 ZIPs

6 of 6 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.

Evidence quality

Distance, dates, and confidence

Median nearest distance: 13 miles
Profiles with evidence: 6/6

Confidence labels

High: 0Moderate: 6Low: 0

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

ZIP directory

Water reports in Chandler

Open a ZIP for site-level provenance and measurements.

ZIP code

85224

208 PPM

Nearest site: 8.8 mi
Confidence: Moderate

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ZIP code

85225

228 PPM

Nearest site: 11.2 mi
Confidence: Moderate

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ZIP code

85226

228 PPM

Nearest site: 9.7 mi
Confidence: Moderate

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ZIP code

85248

228 PPM

Nearest site: 15 mi
Confidence: Moderate

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ZIP code

85249

261.5 PPM

Nearest site: 16.6 mi
Confidence: Moderate

View full ZIP evidence →

ZIP code

85286

261.5 PPM

Nearest site: 13 mi
Confidence: Moderate

View full ZIP evidence →

Public water systems

Utilities associated with this city

Chandler City Of

PWSID AZ0407090

Surface water

System population served: 247,328
Last reported: May 14, 2026

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

Pima Utilities

PWSID AZ0407120

Groundwater

System population served: 20,000
Last reported: May 14, 2026

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

Chandler Heights Citrus Irrigation Dist

PWSID AZ0407409

Groundwater

System population served: 2,620
Last reported: May 14, 2026

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

Peekaboo Water Coop

PWSID AZ0407671

Groundwater

System population served: 100
Last reported: May 14, 2026

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

Gilbert Rigg Well Coop

PWSID AZ0407903

Groundwater

System population served: 95
Last reported: May 14, 2026

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

Greenfield Ranchettes

PWSID AZ0407492

Groundwater

System population served: 53
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.

Record	System	Period	Status
Chlorine	AZ0407409	Jan 1, 2026	Archived
Revised Total Coliform Rule	AZ0407492	Jan 1, 2026	Resolved
Revised Total Coliform Rule	AZ0407492	Dec 1, 2025	Unaddressed
Revised Total Coliform Rule	AZ0407492	Nov 1, 2025	Unaddressed
Consumer Confidence Rule	AZ0407409	Oct 2, 2025	Unaddressed
Consumer Confidence Rule	AZ0407671	Oct 2, 2025	Resolved
Consumer Confidence Rule	AZ0407903	Oct 2, 2025	Unaddressed
Lead and Copper Rule	AZ0407120	Oct 1, 2025	Unaddressed
Revised Total Coliform Rule	AZ0407492	Oct 1, 2025	Resolved
LEAD AND COPPER RULE REVISIONS	AZ0407120	Jul 2, 2025	Unaddressed

Practical next steps

Move from index to evidence

1. Open your ZIP. Check distance, dates, confidence, and the associated utility.
2. Read the current CCR. Confirm source water, detections, limits, ranges, and notices.
3. Test the tap when needed. Confirm health concerns or treatment sizing with the right method.

Continue comparing

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Maricopa County

243 PPM median

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97 PPM median

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243 PPM median

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229 PPM median

Cave Creek

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230 PPM median

Dateland

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Search all 133 Arizona cities →

Questions people ask

About water in Chandler

Is the water hard?

The indexed city median is 228 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.