Detected PFAS

PFAS in Longboat Key, FL Drinking Water

PFAS data for Longboat Key, Florida · 7,098 residents · 1 ZIP code

PFAS is regulated under the Safe Drinking Water Act because of its potential health effects at elevated concentrations; for residents of Longboat Key, Florida, the relevant fact is that it has shown up in recent EPA compliance samples — point-of-use filtration is one option residents research, alongside reviewing the utility's published treatment data.

0.0055 ppt
Max Level Detected
1 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 Longboat Key Tap Water

PFAS has been detected in Longboat Key, Florida drinking water at a maximum level of 0.0055 ppt — below the EPA MCL of 4 ppt (PFOA/PFOS individually).

This analysis covers 7,098 residents across 1 ZIP code in Longboat Key.

Longboat Key's overall water quality grade is C (63/100).

Is PFAS in Longboat Key Water Safe?

PFAS was detected in Longboat Key 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
34228 1 detections 4 ppt (PFOA/PFOS individually) OK

Average pfas level across Longboat Key: 1 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 Longboat Key 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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