Exceeds EPA Limit PFAS EXCEEDS EPA LIMIT

PFAS in Cardiff By The Sea, CA Drinking Water

PFAS data for Cardiff By The Sea, California · 86,458 residents · 1 ZIP code

SDWIS federal records include PFAS detections tied to water systems serving Cardiff By The Sea, California.

0.0049 ppt
Max Level Detected
7 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 Cardiff By The Sea Tap Water

PFAS has been detected in Cardiff By The Sea, California drinking water at a maximum level of 0.0049 ppt — below the EPA MCL of 4 ppt (PFOA/PFOS individually).

This analysis covers 86,458 residents across 1 ZIP code in Cardiff By The Sea.

Cardiff By The Sea's overall water quality grade is C (65/100).

Is PFAS in Cardiff By The Sea Water Safe?

PFAS levels in parts of Cardiff By The Sea 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
92007 7 detections 4 ppt (PFOA/PFOS individually) Exceeds limit

Average pfas level across Cardiff By The Sea: 7 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 Cardiff By The Sea 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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