Exceeds EPA Limit Lead EXCEEDS EPA LIMIT

Lead in Coolidge, AZ Drinking Water

Lead data for Coolidge, Arizona · 18,582 residents · 2 ZIP codes

ZipCheckup's reading of Lead in Coolidge, Arizona: the highest detected level is 1.5 ppb; the EPA limit is 15 ppb (action level). Lead carries a high health-risk designation.

Over the past reporting period, water systems in Coolidge, Arizona have recorded Lead at detectable concentrations in EPA compliance samples.

1.5 ppb
Max Level Detected
1.5 ppb
Average Level
15 ppb (action level)
EPA action level
1
EPA Violations
High
Health Risk
Reverse Osmosis or NSF 53 Carbon Block
Best Filter Method

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

Lead in Coolidge Tap Water

Lead has been detected in Coolidge, Arizona drinking water at a maximum level of 1.5 ppb — below the EPA action level of 15 ppb (action level).

This analysis covers 18,582 residents across 2 ZIP codes in Coolidge.

Coolidge's overall water quality grade is B (79/100).

Is Lead in Coolidge Water Safe?

Lead levels in parts of Coolidge exceed the EPA action level of 15 ppb (action level). 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 or nsf 53 carbon block filter certified under NSF 53 / NSF 58 and testing your water independently.

Lead Levels by ZIP Code

ZIP Code Lead Level EPA Limit Status
85128 1.5 ppb 15 ppb (action level) OK
85228 1.5 ppb 15 ppb (action level) OK

Average lead level across Coolidge: 1.5 ppb

EPA Violations for Lead in Coolidge

Date Violation Type Status ZIP Code
2025-01-01 Lead (Known) Known 85128

Health Effects of Lead

  • Brain development delays and reduced IQ in children
  • Behavioral problems and learning disabilities
  • High blood pressure and kidney damage in adults
  • Increased risk of premature birth in pregnant women

Health risk severity: High. Governed by the Lead and Copper Rule Revisions (LCRR/LCRI).

How Lead Gets Into Drinking Water

  • Corrosion of lead service lines (pipes connecting water main to home)
  • Lead solder in copper plumbing joints (pre-1986 homes)
  • Brass fixtures and faucets manufactured before 2014
  • Stagnant water that sits in lead-containing pipes overnight

What to Do About Lead in Coolidge Water

  1. Install an NSF 53 or NSF 58 certified filter at kitchen sink
  2. Run cold water for 30 seconds before using for drinking or cooking
  3. Use cold water only for cooking and preparing formula
  4. Consider whole-home reverse osmosis if lead service line is present

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

Related

Home → Contaminants → Lead → Arizona → Coolidge

How to cite this page

APA ZipCheckup. (2026). Lead in Coolidge, AZ Drinking Water. https://zipcheckup.com/contaminants/lead/coolidge-az/
BibTeX 
@misc{zipcheckup-contaminants-lead-coolidge-az,
  author = {{ZipCheckup}},
  title  = {{Lead in Coolidge, AZ Drinking Water}},
  year   = {2026},
  url    = {https://zipcheckup.com/contaminants/lead/coolidge-az/}
}

Data as of July 2026.

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