PFAS (Forever Chemicals) in Oregon Well Water

EPA Data 2025 · Risk Level: Low

Avg Level

3.032 ppt

EPA Limit

4 ppt

% Above Limit

5.7%

Risk Level

low

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

Water Quality Details

Contaminant	PFAS (Forever Chemicals)
Category	chemical
Average Level	3.032 ppt
Maximum Level	9.301 ppt
EPA Limit (MCL)	4 ppt
% Wells Above Limit	5.7%
Affected Wells	19,950
Testing Cost	$88
Treatment Cost	$3,607
vs National Avg	+1.014 ppt (+50.2%)

Oregon Well Water Overview

Well Users

350,000

% on Well Water

18.8%

Quality Score

77/100

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 Oregon well water?

In Oregon, pfas (forever chemicals) levels average 3.032 ppt, with a maximum recorded level of 9.301 ppt. The EPA limit is 4 ppt. Currently 5.7% of tested wells exceed this limit, affecting approximately 19,950 wells.

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

Testing for pfas (forever chemicals) in Oregon typically costs around $88. If treatment is needed, water treatment systems for pfas (forever chemicals) cost approximately $3,607.

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

The risk level for pfas (forever chemicals) in Oregon is rated as low. The state average of 3.032 ppt is 50.2% above the national average of 2.018 ppt.

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