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Chandler, AZ · 270,196 people served · EPA data 2021–2026

Tap water quality in Chandler, Arizona

Chandler's water systems logged 6 health-based EPA violations in 2021–2026, most recently in 2025 — most often arsenic. Health-based violations mean a federal limit or treatment standard was exceeded; check the systems below and your utility's annual report for specifics.

DPoor
Chandler water grade: D
Poor — our A–F grade from this city's EPA compliance record, relative to Arizona and the nation. How we grade →
Health-based violations, 2021–20266
Arsenic4
Revised Total Coliform Rule2
Chandler City Of247,328 served
Pima Utilities20,000 served
Chandler Heights Citrus Irrigation Dist2,620 served
Peekaboo Water Coop100 served
Arizona quality rank#44 / 51 (77.4/100)
Arizona avg hardness280 PPM (very hard)
Want to know what's actually in your Chandler water?

Averages describe states, not your faucet. A certified home water test screens for lead, nitrates, bacteria and dozens of other contaminants — the same categories EPA regulates.

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Chandler tap water FAQ

Is tap water safe to drink in Chandler?

Chandler's systems logged 6 health-based violations in 2021–2026, most commonly arsenic. A violation is a red flag for a period of time, not a permanent condition — your utility's current Consumer Confidence Report shows today's status, and a certified home test shows what's at your tap.

Who supplies Chandler's water?

Chandler City Of (serving about 247,328 people); Pima Utilities (serving about 20,000 people); Chandler Heights Citrus Irrigation Dist (serving about 2,620 people); Peekaboo Water Coop (serving about 100 people). Data: EPA Safe Drinking Water Information System, July 2026.

How hard is the water in Chandler?

City-level hardness isn't published in a single federal dataset, but Arizona averages 280 PPM — "very hard" on the USGS scale. Your utility's water quality report lists Chandler's exact hardness, or a $10 test strip tells you in a minute. If it comes back over 120 PPM, see our water softener guidance in the purification calculator.

Do I need a water filter in Chandler?

With 6 health-based violations on record in 2021–2026, a certified filter is reasonable insurance here: reverse osmosis ($150–$1,300 installed, Angi 2026) covers lead, nitrates and PFAS at the tap. Test first ($50–$200) so you buy for what's actually present.

Want to know what's actually in your Chandler water?

Averages describe states, not your faucet. A certified home water test screens for lead, nitrates, bacteria and dozens of other contaminants — the same categories EPA regulates.

Test your water at home

We may earn a commission if you request quotes through this link. It costs you nothing and never affects the data we publish.