Radium · Pennsylvania

Radium in Pennsylvania Drinking Water — 219 Violations

EPA data analysis for radium in Pennsylvania drinking water systems

ZipCheckup tracks Radium in Pennsylvania drinking water: 0 ZIP codes with detected levels on record. 219 ZIP codes exceed the EPA limit (5 pCi/L (combined Ra-226 + Ra-228)). Radium carries a high health-risk designation.

219
ZIPs with Violations
16.7%
Violation Rate
5 pCi/L (combined Ra-226 + Ra-228)
EPA Limit
High
Health Risk
Reverse Osmosis or Ion Exchange
Best Filter Method

Radium Contamination in Pennsylvania

ZipCheckup analyzed EPA enforcement records across 1,313 ZIP codes in Pennsylvania. 219 ZIP codes have radium-related violations on record.

The violation rate for radium in Pennsylvania is 16.7% of all ZIP codes — higher than the national average.

EPA Standard for Radium

The EPA maximum contaminant level (MCL) for radium is 5 pCi/L (combined Ra-226 + Ra-228), governed by the Radionuclides Rule. Water systems that exceed this limit must take corrective action and notify consumers.

Health Effects of Radium

Radium is a radioactive element that increases cancer risk, particularly bone cancer. It accumulates in bones because the body treats it like calcium. The EPA estimates that drinking water with 5 pCi/L of radium over a lifetime poses a 1 in 10,000 cancer risk.

How to Remove Radium From Drinking Water

The most effective treatment for radium removal is Reverse Osmosis or Ion Exchange. Look for filters certified under NSF 58 standards.

Check Your ZIP Code

Use the ZipCheckup water quality search to see radium data for your specific water system in Pennsylvania.

Pennsylvania Water Quality Overview: See statewide water quality rankings on the Pennsylvania water quality page.
Learn more about Radium: Read the full guide on Radium in drinking water.
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How to cite this page

APA ZipCheckup. (2026). Radium in Pennsylvania Drinking Water — 219 Violations. https://zipcheckup.com/contaminants/radium/pennsylvania/
BibTeX
@misc{zipcheckup-contaminants-radium-pennsylvania,
  author = {{ZipCheckup}},
  title  = {{Radium in Pennsylvania Drinking Water — 219 Violations}},
  year   = {2026},
  url    = {https://zipcheckup.com/contaminants/radium/pennsylvania/}
}

Page version: August 2026.

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