Is pfas a problem in Maryland drinking water?

PFAS was detected in Maryland water systems but within the EPA limit of 4 ppt (PFOA/PFOS). Check the ZIP code table on this page for area-specific data.

How widespread is pfas in Maryland water?

No pfas detections were reported in Maryland in the exported EPA records.

PFAS · Maryland

PFAS in Maryland Drinking Water — 0 Violations

EPA data analysis for pfas in Maryland drinking water systems

ZIPs with Violations

4 ppt (PFOA/PFOS)

EPA Limit

High

Health Risk

Reverse Osmosis or Granular Activated Carbon

Best Filter Method

PFAS Contamination in Maryland

ZipCheckup analyzed EPA enforcement records across 359 ZIP codes in Maryland. 0 ZIP codes have pfas-related violations on record.

EPA Standard for PFAS

The EPA maximum contaminant level (MCL) for pfas is 4 ppt (PFOA/PFOS), governed by the PFAS NPDWR (2024). Water systems that exceed this limit must take corrective action and notify consumers.

Health Effects of PFAS

PFAS (per- and polyfluoroalkyl substances) are linked to cancer (kidney, testicular), thyroid disease, immune system suppression, reproductive problems, and elevated cholesterol. These "forever chemicals" persist in the body for years.

How to Remove PFAS From Drinking Water

The most effective treatment for pfas removal is Reverse Osmosis or Granular Activated Carbon. Look for filters certified under NSF 53 / NSF 58 standards.

Check Your ZIP Code

Use the ZipCheckup water quality search to see pfas data for your specific water system in Maryland.

Cities with PFAS Data in Maryland

87 cities in Maryland have pfas testing data available.

Aberdeen Accokeek Baltimore Bel Air Beltsville Berlin Bethesda Bladensburg Boonsboro Bowie Boyds Brandywine Brookeville Burtonsville Capitol Heights Catonsville Chevy Chase Clarksburg Clinton Cockeysville

+ 67 more cities

Maryland Water Quality Overview: See statewide water quality rankings on the Maryland water quality page.

Learn more about PFAS: Read the full guide on PFAS in drinking water.

Home → Contaminants → PFAS → Maryland

How to cite this page

APA ZipCheckup. (2026). PFAS in Maryland Drinking Water — 0 Violations. https://zipcheckup.com/contaminants/pfas/maryland/

BibTeX

@misc{zipcheckup-contaminants-pfas-maryland,
  author = {{ZipCheckup}},
  title  = {{PFAS in Maryland Drinking Water — 0 Violations}},
  year   = {2026},
  url    = {https://zipcheckup.com/contaminants/pfas/maryland/}
}

Page version: August 2026.