PFAS in Oxon Hill, MD Drinking Water
PFAS data for Oxon Hill, Maryland · 25,000 residents · 2 ZIP codes
PFAS exposure in drinking water is tracked by EPA across the country; households in Oxon Hill, Maryland are among those with confirmed detections in the public water record.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14
PFAS in Oxon Hill Tap Water
PFAS has been detected in Oxon Hill, Maryland drinking water at a maximum level of 3 ppt — below the EPA MCL of 4 ppt (PFOA/PFOS individually).
This analysis covers 25,000 residents across 2 ZIP codes in Oxon Hill.
Oxon Hill's overall water quality grade is D (54/100).
Is PFAS in Oxon Hill Water Safe?
PFAS was detected in Oxon Hill 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 or granular activated carbon filter can reduce pfas levels further.
PFAS Levels by ZIP Code
| ZIP Code | PFAS Level | EPA Limit | Status |
|---|---|---|---|
| 20745 | 9 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 20745 | 3 ng/L | 4 ppt (PFOA/PFOS individually) | OK |
| 20745 | 2.8 ng/L | 4 ppt (PFOA/PFOS individually) | OK |
Average pfas level across Oxon Hill: 4.93 ppt
Health Effects of PFAS
- Increased risk of kidney and testicular cancer
- Thyroid disease and immune system suppression
- Reproductive problems and reduced fertility
- Elevated cholesterol and liver effects
- Developmental effects in infants and children
Health risk severity: High. Governed by the PFAS National Primary Drinking Water Regulation (2024).
How PFAS Gets Into Drinking Water
- Firefighting foam (AFFF) used at military bases and airports
- Industrial manufacturing (non-stick coatings, stain-resistant fabrics)
- Wastewater treatment plants that receive industrial discharge
- Landfill leachate from PFAS-containing consumer products
What to Do About PFAS in Oxon Hill Water
- Install a reverse osmosis system (most effective — removes 90%+ of PFAS)
- Granular activated carbon (GAC) filters remove some PFAS compounds
- Look for NSF 53 or NSF 58 certification specifically tested for PFAS
- Pitcher filters with activated carbon provide partial reduction
Look for filters certified under NSF 53 / NSF 58 for pfas removal.