PFAS (Forever Chemicals) in Maryland Well Water

EPA Data 2025 · Risk Level: Low

Avg Level

1.441 ppt

EPA Limit

4 ppt

% Above Limit

6.8%

Risk Level

low

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

Water Quality Details

Contaminant	PFAS (Forever Chemicals)
Category	chemical
Average Level	1.441 ppt
Maximum Level	4.068 ppt
EPA Limit (MCL)	4 ppt
% Wells Above Limit	6.8%
Affected Wells	32,640
Testing Cost	$86
Treatment Cost	$2,128
vs National Avg	-0.577 ppt (-28.6%)

Maryland Well Water Overview

Well Users

480,000

% on Well Water

16.8%

Quality Score

74/100

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 Maryland well water?

In Maryland, pfas (forever chemicals) levels average 1.441 ppt, with a maximum recorded level of 4.068 ppt. The EPA limit is 4 ppt. Currently 6.8% of tested wells exceed this limit, affecting approximately 32,640 wells.

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

Testing for pfas (forever chemicals) in Maryland typically costs around $86. If treatment is needed, water treatment systems for pfas (forever chemicals) cost approximately $2,128.

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

The risk level for pfas (forever chemicals) in Maryland is rated as low. The state average of 1.441 ppt is 28.6% below the national average of 2.018 ppt.

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