PFAS (Forever Chemicals) in Delaware Well Water

EPA Data 2025 · Risk Level: Minimal

Avg Level

2.369 ppt

EPA Limit

4 ppt

% Above Limit

3.0%

Risk Level

minimal

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

Water Quality Details

Contaminant	PFAS (Forever Chemicals)
Category	chemical
Average Level	2.369 ppt
Maximum Level	9.765 ppt
EPA Limit (MCL)	4 ppt
% Wells Above Limit	3.0%
Affected Wells	2,550
Testing Cost	$73
Treatment Cost	$1,105
vs National Avg	+0.351 ppt (+17.4%)

Delaware Well Water Overview

Well Users

85,000

% on Well Water

18.2%

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 Delaware well water?

In Delaware, pfas (forever chemicals) levels average 2.369 ppt, with a maximum recorded level of 9.765 ppt. The EPA limit is 4 ppt. Currently 3.0% of tested wells exceed this limit, affecting approximately 2,550 wells.

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

Testing for pfas (forever chemicals) in Delaware typically costs around $73. If treatment is needed, water treatment systems for pfas (forever chemicals) cost approximately $1,105.

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

The risk level for pfas (forever chemicals) in Delaware is rated as minimal. The state average of 2.369 ppt is 17.4% above the national average of 2.018 ppt.

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