PFAS (Forever Chemicals) in Louisiana Well Water

EPA Data 2025 · Risk Level: High

Avg Level

2.85 ppt

EPA Limit

4 ppt

% Above Limit

17.1%

Risk Level

high

Live DataLast updated: April 4, 2026·Source: EPA SDWIS & USGS

Water Quality Details

Contaminant	PFAS (Forever Chemicals)
Category	chemical
Average Level	2.85 ppt
Maximum Level	8.37 ppt
EPA Limit (MCL)	4 ppt
% Wells Above Limit	17.1%
Affected Wells	42,750
Testing Cost	$114
Treatment Cost	$3,803
vs National Avg	+0.832 ppt (+41.2%)

Louisiana Well Water Overview

Well Users

250,000

% on Well Water

12.8%

Quality Score

61/100

Highest Risk States for PFAS (Forever Chemicals)

#1Oklahoma18.4% above limit #2Louisiana17.1% above limit #3New Mexico14.6% above limit #4West Virginia14.3% above limit #5South Dakota14.1% above limit

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EPA SDWIS & USGS

📊

WellWaterPeek Research TeamData Specialists

Our team analyzes data from EPA SDWIS & USGS to deliver accurate, up-to-date information. All data is verified and cross-referenced with official sources.

✓ EPA SDWIS & USGS✓ Updated 2025

Frequently Asked Questions

Is pfas (forever chemicals) a problem in Louisiana well water?

In Louisiana, pfas (forever chemicals) levels average 2.85 ppt, with a maximum recorded level of 8.37 ppt. The EPA limit is 4 ppt. Currently 17.1% of tested wells exceed this limit, affecting approximately 42,750 wells.

How much does it cost to test for pfas (forever chemicals) in Louisiana?

Testing for pfas (forever chemicals) in Louisiana typically costs around $114. If treatment is needed, water treatment systems for pfas (forever chemicals) cost approximately $3,803.

What is the risk level of pfas (forever chemicals) in Louisiana well water?

The risk level for pfas (forever chemicals) in Louisiana is rated as high. The state average of 2.85 ppt is 41.2% above the national average of 2.018 ppt.

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