PFAS in Naval Anacost Annex, DC Drinking Water
PFAS data for Naval Anacost Annex, District of Columbia · 632,323 residents · 1 ZIP code
Routine testing in Naval Anacost Annex, District of Columbia turned up PFAS — samples from the public supply came back positive, placing this contaminant on the list of substances residents here have a concrete reason to look into.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14
PFAS in Naval Anacost Annex Tap Water
PFAS has been detected in Naval Anacost Annex, District of Columbia drinking water at a maximum level of 0.0047 ppt — below the EPA MCL of 4 ppt (PFOA/PFOS individually).
This analysis covers 632,323 residents across 1 ZIP code in Naval Anacost Annex.
Naval Anacost Annex's overall water quality grade is D (50/100).
Is PFAS in Naval Anacost Annex Water Safe?
PFAS was detected in Naval Anacost Annex 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 |
|---|---|---|---|
| 20373 | 3 detections | 4 ppt (PFOA/PFOS individually) | OK |
Average pfas level across Naval Anacost Annex: 3 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 Naval Anacost Annex 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.