Exceeds EPA Limit Arsenic EXCEEDS EPA LIMIT

Arsenic in Gilbert, AZ Drinking Water

Arsenic data for Gilbert, Arizona · 272,707 residents · 6 ZIP codes

ZipCheckup's reading of Arsenic in Gilbert, Arizona: Arsenic carries a high health-risk designation.

Federal water monitoring extends to thousands of public water systems, and in Gilbert, Arizona, that tracking has turned up Arsenic - the detection is logged in the EPA compliance record and reflects samples collected under routine Safe Drinking Water Act reporting requirements.

10 ppb
EPA MCL
24
EPA Violations
High
Health Risk
Reverse Osmosis
Best Filter Method

Data: EPA SDWIS, CCR Reports, ECHO

Arsenic in Gilbert Tap Water

Gilbert, Arizona has 24 EPA violations related to arsenic in drinking water.

This analysis covers 272,707 residents across 6 ZIP codes in Gilbert.

Is Arsenic in Gilbert Water Safe?

Arsenic levels in parts of Gilbert exceed the EPA MCL of 10 ppb. The EPA requires water systems to take corrective action when this limit is exceeded.

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 Gilbert

Date Violation Type Status ZIP Code
2025-04-01 Arsenic (Known) Known 85233
2025-04-01 Arsenic (Known) Known 85234
2025-04-01 Arsenic (Known) Known 85295
2025-04-01 Arsenic (Known) Known 85296
2025-04-01 Arsenic (Known) Known 85297
2025-04-01 Arsenic (Known) Known 85298
2025-01-01 Arsenic (Known) Known 85233
2025-01-01 Arsenic (Known) Known 85234
2025-01-01 Arsenic (Known) Known 85295
2025-01-01 Arsenic (Known) Known 85296
2025-01-01 Arsenic (Known) Known 85297
2025-01-01 Arsenic (Known) Known 85298
2024-10-01 Arsenic (Resolved) Resolved 85233
2024-10-01 Arsenic (Resolved) Resolved 85234
2024-10-01 Arsenic (Resolved) Resolved 85295
2024-10-01 Arsenic (Resolved) Resolved 85296
2024-10-01 Arsenic (Resolved) Resolved 85297
2024-10-01 Arsenic (Resolved) Resolved 85298
2024-07-01 Arsenic (Resolved) Resolved 85233
2024-07-01 Arsenic (Resolved) Resolved 85234
... 4 more violations

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 Gilbert Water

  1. Install a reverse osmosis (RO) system certified under NSF 58
  2. Adsorptive media filters (iron-based) can also reduce arsenic
  3. Have well water tested if on a private supply
  4. Boiling water does NOT remove arsenic — it concentrates it

Look for filters certified under NSF 53 / NSF 58 for arsenic removal.

Related

HomeContaminantsArsenicArizona → Gilbert

How to cite this page

APA ZipCheckup. (2026). Arsenic in Gilbert, AZ Drinking Water. https://zipcheckup.com/contaminants/arsenic/gilbert-az/
BibTeX
@misc{zipcheckup-contaminants-arsenic-gilbert-az,
  author = {{ZipCheckup}},
  title  = {{Arsenic in Gilbert, AZ Drinking Water}},
  year   = {2026},
  url    = {https://zipcheckup.com/contaminants/arsenic/gilbert-az/}
}

Page version: August 2026.

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