Arsenic in Phoenix, AZ Drinking Water
Arsenic data for Phoenix, Arizona · 1,454,993 residents · 43 ZIP codes
ZipCheckup's reading of Arsenic in Phoenix, Arizona: Arsenic carries a high health-risk designation.
At elevated levels, Arsenic is a recognized health concern in drinking water; in Phoenix, Arizona, it has been detected in recent samples logged through federal compliance reporting.
Data: EPA SDWIS, CCR Reports, ECHO
Arsenic in Phoenix Tap Water
Phoenix, Arizona has 3 EPA violations related to arsenic in drinking water.
This analysis covers 1,454,993 residents across 43 ZIP codes in Phoenix.
Is Arsenic in Phoenix Water Safe?
If you live in an affected ZIP code, consider installing a reverse osmosis filter certified under NSF 53 / NSF 58 and testing your water independently.
EPA Violations for Arsenic in Phoenix
| Date | Violation Type | Status | ZIP Code |
|---|---|---|---|
| 2026-01-01 | Arsenic (Known) | Known | 85027 |
| 2022-04-01 | Arsenic (Resolved) | Resolved | 85027 |
| 2022-01-01 | Arsenic (Resolved) | Resolved | 85027 |
Health Effects of Arsenic
- Increased risk of skin, bladder, lung, and kidney cancer
- Cardiovascular disease and type 2 diabetes
- Skin changes (darkening, thickening, lesions)
- Developmental effects in children exposed in utero
Health risk severity: High. Governed by the Arsenic Rule (2006).
How Arsenic Gets Into Drinking Water
- Natural deposits in rock and soil (especially in western U.S.)
- Runoff from orchards and glass/electronics production
- Historical use of arsenic-based pesticides
- Well water in areas with arsenic-rich geology
What to Do About Arsenic in Phoenix Water
- Install a reverse osmosis (RO) system certified under NSF 58
- Adsorptive media filters (iron-based) can also reduce arsenic
- Have well water tested if on a private supply
- Boiling water does NOT remove arsenic — it concentrates it
Look for filters certified under NSF 53 / NSF 58 for arsenic removal.