Exceeds EPA Limit PFAS EXCEEDS EPA LIMIT

PFAS in Greensboro, NC Drinking Water

PFAS data for Greensboro, North Carolina · 321,181 residents · 29 ZIP codes

PFAS exposure in drinking water is tracked by EPA across the country; households in Greensboro, North Carolina are among those with confirmed detections in the public water record.

5.8 ppt
Max Level Detected
11.02 ppt
Average Level
4 ppt (PFOA/PFOS individually)
EPA MCL
High
Health Risk
Reverse Osmosis or Granular Activated Carbon
Best Filter Method

Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14

PFAS in Greensboro Tap Water

PFAS has been detected in Greensboro, North Carolina drinking water at a maximum level of 5.8 ppt1.45x the EPA MCL.

This analysis covers 321,181 residents across 29 ZIP codes in Greensboro.

Greensboro's overall water quality grade is A (90/100).

Is PFAS in Greensboro Water Safe?

PFAS levels in parts of Greensboro exceed the EPA MCL of 4 ppt (PFOA/PFOS individually). 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 granular activated carbon filter certified under NSF 53 / NSF 58 and testing your water independently.

PFAS Levels by ZIP Code

ZIP Code PFAS Level EPA Limit Status
27407 133 detections 4 ppt (PFOA/PFOS individually) Exceeds limit
27409 59 detections 4 ppt (PFOA/PFOS individually) Exceeds limit
27410 59 detections 4 ppt (PFOA/PFOS individually) Exceeds limit
27401 54 detections 4 ppt (PFOA/PFOS individually) Exceeds limit
27406 54 detections 4 ppt (PFOA/PFOS individually) Exceeds limit
27402 48 detections 4 ppt (PFOA/PFOS individually) Exceeds limit
27408 48 detections 4 ppt (PFOA/PFOS individually) Exceeds limit
27395 5.8 ng/L or ppt 4 ppt (PFOA/PFOS individually) Exceeds limit
27401 5.8 ng/L or ppt 4 ppt (PFOA/PFOS individually) Exceeds limit
27402 5.8 ng/L or ppt 4 ppt (PFOA/PFOS individually) Exceeds limit
27403 5.8 ng/L or ppt 4 ppt (PFOA/PFOS individually) Exceeds limit
27404 5.8 ng/L or ppt 4 ppt (PFOA/PFOS individually) Exceeds limit
27405 5.8 ng/L or ppt 4 ppt (PFOA/PFOS individually) Exceeds limit
27406 5.8 ng/L or ppt 4 ppt (PFOA/PFOS individually) Exceeds limit
27407 5.8 ng/L or ppt 4 ppt (PFOA/PFOS individually) Exceeds limit
27408 5.8 ng/L or ppt 4 ppt (PFOA/PFOS individually) Exceeds limit
27409 5.8 ng/L or ppt 4 ppt (PFOA/PFOS individually) Exceeds limit
27410 5.8 ng/L or ppt 4 ppt (PFOA/PFOS individually) Exceeds limit
27411 5.8 ng/L or ppt 4 ppt (PFOA/PFOS individually) Exceeds limit
27412 5.8 ng/L or ppt 4 ppt (PFOA/PFOS individually) Exceeds limit
27413 5.8 ng/L or ppt 4 ppt (PFOA/PFOS individually) Exceeds limit
27415 5.8 ng/L or ppt 4 ppt (PFOA/PFOS individually) Exceeds limit
27416 5.8 ng/L or ppt 4 ppt (PFOA/PFOS individually) Exceeds limit
27417 5.8 ng/L or ppt 4 ppt (PFOA/PFOS individually) Exceeds limit
27419 5.8 ng/L or ppt 4 ppt (PFOA/PFOS individually) Exceeds limit
...40 more ZIP codes

Average pfas level across Greensboro: 11.02 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 Greensboro Water

  1. Install a reverse osmosis system (most effective — removes 90%+ of PFAS)
  2. Granular activated carbon (GAC) filters remove some PFAS compounds
  3. Look for NSF 53 or NSF 58 certification specifically tested for PFAS
  4. Pitcher filters with activated carbon provide partial reduction

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

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