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Anaheim, CA · 751,292 people served · EPA data 2021–2026

Tap water quality in Anaheim, California

Anaheim's water systems logged 1 health-based EPA violation in 2021–2026, most recently in 2024 — a modest record, with lead and copper rule revisions the issue found. For context, California's systems average 2.3 health-based violations each.

C+Fair
Anaheim water grade: C+
Fair — our A–F grade from this city's EPA compliance record, relative to California and the nation. How we grade →
Health-based violations, 2021–20261
Lead And Copper Rule Revisions1
City Of Anaheim348,593 served
Golden State Wc - West Orange County114,379 served
Gswc - Florence/Graham63,500 served
Gswc - Bell, Bell Gardens54,877 served
California quality rank#25 / 51 (83.7/100)
California avg hardness200 PPM (very hard)
Want to know what's actually in your Anaheim 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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Anaheim tap water FAQ

Is tap water safe to drink in Anaheim?

Anaheim's systems logged 1 health-based violation in 2021–2026, most commonly lead and copper rule revisions. 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 Anaheim's water?

City Of Anaheim (serving about 348,593 people); Golden State Wc - West Orange County (serving about 114,379 people); Gswc - Florence/Graham (serving about 63,500 people); Gswc - Bell, Bell Gardens (serving about 54,877 people). Data: EPA Safe Drinking Water Information System, July 2026.

How hard is the water in Anaheim?

City-level hardness isn't published in a single federal dataset, but California averages 200 PPM — "very hard" on the USGS scale. Your utility's water quality report lists Anaheim'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 Anaheim?

With 1 health-based violation 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 Anaheim 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.