PFAS (Forever Chemicals) in Wyoming Well Water

EPA Data 2025 · Risk Level: Moderate

Avg Level

1.263 ppt

EPA Limit

4 ppt

% Above Limit

11.5%

Risk Level

moderate

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

Water Quality Details

Contaminant	PFAS (Forever Chemicals)
Category	chemical
Average Level	1.263 ppt
Maximum Level	4.89 ppt
EPA Limit (MCL)	4 ppt
% Wells Above Limit	11.5%
Affected Wells	9,775
Testing Cost	$107
Treatment Cost	$256
vs National Avg	-0.755 ppt (-37.4%)

Wyoming Well Water Overview

Well Users

85,000

% on Well Water

25.2%

Quality Score

71/100

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 Wyoming well water?

In Wyoming, pfas (forever chemicals) levels average 1.263 ppt, with a maximum recorded level of 4.89 ppt. The EPA limit is 4 ppt. Currently 11.5% of tested wells exceed this limit, affecting approximately 9,775 wells.

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

Testing for pfas (forever chemicals) in Wyoming typically costs around $107. If treatment is needed, water treatment systems for pfas (forever chemicals) cost approximately $256.

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

The risk level for pfas (forever chemicals) in Wyoming is rated as moderate. The state average of 1.263 ppt is 37.4% below the national average of 2.018 ppt.

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