PFAS (Forever Chemicals) in Oklahoma Well Water

EPA Data 2025 · Risk Level: High

Avg Level

1.181 ppt

EPA Limit

4 ppt

% Above Limit

18.4%

Risk Level

high

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

Water Quality Details

Contaminant	PFAS (Forever Chemicals)
Category	chemical
Average Level	1.181 ppt
Maximum Level	3.109 ppt
EPA Limit (MCL)	4 ppt
% Wells Above Limit	18.4%
Affected Wells	40,480
Testing Cost	$55
Treatment Cost	$3,400
vs National Avg	-0.837 ppt (-41.5%)

Oklahoma Well Water Overview

Well Users

220,000

% on Well Water

14.2%

Quality Score

63/100

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 Oklahoma well water?

In Oklahoma, pfas (forever chemicals) levels average 1.181 ppt, with a maximum recorded level of 3.109 ppt. The EPA limit is 4 ppt. Currently 18.4% of tested wells exceed this limit, affecting approximately 40,480 wells.

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

Testing for pfas (forever chemicals) in Oklahoma typically costs around $55. If treatment is needed, water treatment systems for pfas (forever chemicals) cost approximately $3,400.

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

The risk level for pfas (forever chemicals) in Oklahoma is rated as high. The state average of 1.181 ppt is 41.5% below the national average of 2.018 ppt.

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