How much arsenic is in Apache Junction water?

The maximum detected level of arsenic in Apache Junction water is 6.3 ppb. The EPA limit is 10 ppb. See the ZIP code table above for area-specific levels.

Detected Arsenic

Arsenic in Apache Junction, AZ Drinking Water

Q: Is arsenic in Apache Junction water safe?

Arsenic was detected in Apache Junction water at 6.3 ppb, below the EPA limit of 10 ppb. Check ZIP-level data on this page for your specific area.

Arsenic data for Apache Junction, Arizona · 54,919 residents · 6 ZIP codes

ZipCheckup's reading of Arsenic in Apache Junction, Arizona: the highest detected level is 6.3 ppb; the EPA limit is 10 ppb. Arsenic carries a high health-risk designation.

SDWIS federal records include Arsenic detections tied to water systems serving Apache Junction, Arizona.

6.3 ppb

Max Level Detected

6.3 ppb

Average Level

10 ppb

EPA MCL

High

Health Risk

Reverse Osmosis

Best Filter Method

Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-07-13

Arsenic in Apache Junction Tap Water

Arsenic has been detected in Apache Junction, Arizona drinking water at a maximum level of 6.3 ppb — below the EPA MCL of 10 ppb.

This analysis covers 54,919 residents across 6 ZIP codes in Apache Junction.

Apache Junction's overall water quality grade is B (71/100).

Is Arsenic in Apache Junction Water Safe?

Arsenic was detected in Apache Junction water but currently falls within EPA limits. However, some health organizations argue the EPA MCL may not be protective enough.

If you are concerned, a reverse osmosis filter can reduce arsenic levels further.

Arsenic Levels by ZIP Code

ZIP Code	Arsenic Level	EPA Limit	Status
85117	6.3 ppb	10 ppb	OK
85119	6.3 ppb	10 ppb	OK
85120	6.3 ppb	10 ppb	OK
85178	6.3 ppb	10 ppb	OK
85218	6.3 ppb	10 ppb	OK
85220	6.3 ppb	10 ppb	OK

Average arsenic level across Apache Junction: 6.3 ppb

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 Apache Junction 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.

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How to cite this page

APA

ZipCheckup. (2026). Arsenic in Apache Junction, AZ Drinking Water. https://zipcheckup.com/contaminants/arsenic/apache-junction-az/

BibTeX

@misc{zipcheckup-contaminants-arsenic-apache-junction-az,
  author = {{ZipCheckup}},
  title  = {{Arsenic in Apache Junction, AZ Drinking Water}},
  year   = {2026},
  url    = {https://zipcheckup.com/contaminants/arsenic/apache-junction-az/}
}

Data as of July 2026.