PFAS (Forever Chemicals) in Maine Well Water

EPA Data 2025 · Risk Level: Moderate

Avg Level

2.157 ppt

EPA Limit

4 ppt

% Above Limit

12.3%

Risk Level

moderate

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

Water Quality Details

Contaminant	PFAS (Forever Chemicals)
Category	chemical
Average Level	2.157 ppt
Maximum Level	8.482 ppt
EPA Limit (MCL)	4 ppt
% Wells Above Limit	12.3%
Affected Wells	39,360
Testing Cost	$148
Treatment Cost	$3,356
vs National Avg	+0.139 ppt (+6.9%)

Maine Well Water Overview

Well Users

320,000

% on Well Water

42.5%

Quality Score

72/100

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 Maine well water?

In Maine, pfas (forever chemicals) levels average 2.157 ppt, with a maximum recorded level of 8.482 ppt. The EPA limit is 4 ppt. Currently 12.3% of tested wells exceed this limit, affecting approximately 39,360 wells.

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

Testing for pfas (forever chemicals) in Maine typically costs around $148. If treatment is needed, water treatment systems for pfas (forever chemicals) cost approximately $3,356.

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

The risk level for pfas (forever chemicals) in Maine is rated as moderate. The state average of 2.157 ppt is 6.9% above the national average of 2.018 ppt.

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