PFAS · Louisiana

PFAS in Louisiana Drinking Water — 6 ZIPs Tested

EPA data analysis for pfas in Louisiana drinking water systems

6
ZIPs with Detections
0
ZIPs with Violations
4 ppt (PFOA/PFOS)
EPA Limit
High
Health Risk
Reverse Osmosis or Granular Activated Carbon
Best Filter Method

PFAS Contamination in Louisiana

ZipCheckup analyzed drinking water data across 723 ZIP codes in Louisiana for pfas contamination. 6 ZIP codes have reported pfas detections, and 0 have EPA violations on record.

EPA Standard for PFAS

The EPA maximum contaminant level (MCL) for pfas is 4 ppt (PFOA/PFOS), governed by the PFAS NPDWR (2024). Water systems that exceed this limit must take corrective action and notify consumers.

Worst ZIP Codes for PFAS in Louisiana

These ZIP codes reported the highest pfas levels in Louisiana based on CCR reports and EPA data:

Lowest PFAS Levels in Louisiana

These ZIP codes had the lowest reported pfas detections in Louisiana:

Health Effects of PFAS

PFAS (per- and polyfluoroalkyl substances) are linked to cancer (kidney, testicular), thyroid disease, immune system suppression, reproductive problems, and elevated cholesterol. These "forever chemicals" persist in the body for years.

How to Remove PFAS From Drinking Water

The most effective treatment for pfas removal is Reverse Osmosis or Granular Activated Carbon. Look for filters certified under NSF 53 / NSF 58 standards.

Check Your ZIP Code

Use the ZipCheckup water quality search to see pfas data for your specific water system in Louisiana.

Worst ZIP Codes for PFAS in Louisiana

Ranked by highest pfas detection level.

Rank ZIP Code City Level Detected EPA Limit Status
1 71348 Libuse 6 ppt 10 ppt Within Limit
2 71359 Pineville 6 ppt 10 ppt Within Limit
3 71360 Pineville 6 ppt 10 ppt Within Limit
4 71361 Pineville 6 ppt 10 ppt Within Limit
5 71365 Ruby 6 ppt 10 ppt Within Limit
6 71405 Ball 6 ppt 10 ppt Within Limit

Lowest PFAS Levels in Louisiana

ZIP Code City Level Detected
71405 Ball 6 ppt
71365 Ruby 6 ppt
71361 Pineville 6 ppt
71360 Pineville 6 ppt
71359 Pineville 6 ppt
71348 Libuse 6 ppt

Cities with PFAS Data in Louisiana

79 cities in Louisiana have pfas testing data available.

+ 59 more cities

Louisiana Water Quality Overview: See statewide water quality rankings on the Louisiana water quality page.
Learn more about PFAS: Read the full guide on PFAS in drinking water.
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