Radon in Utah Well Water

EPA Data 2025 · Risk Level: Moderate

Avg Level

175.703 pCi/L

EPA Limit

300 pCi/L

% Above Limit

13.0%

Risk Level

moderate

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

Water Quality Details

Contaminant	Radon
Category	radiological
Average Level	175.703 pCi/L
Maximum Level	546.368 pCi/L
EPA Limit (MCL)	300 pCi/L
% Wells Above Limit	13.0%
Affected Wells	19,500
Testing Cost	$148
Treatment Cost	$3,177
vs National Avg	+37.661 pCi/L (+27.3%)

Utah Well Water Overview

Well Users

150,000

% on Well Water

11.5%

Quality Score

74/100

Highest Risk States for Radon

#1Kentucky17.2% above limit #2Arkansas16.3% above limit #3Louisiana15.6% above limit #4South Dakota14.4% above limit #5Georgia14.3% 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 radon a problem in Utah well water?

In Utah, radon levels average 175.703 pCi/L, with a maximum recorded level of 546.368 pCi/L. The EPA limit is 300 pCi/L. Currently 13.0% of tested wells exceed this limit, affecting approximately 19,500 wells.

How much does it cost to test for radon in Utah?

Testing for radon in Utah typically costs around $148. If treatment is needed, water treatment systems for radon cost approximately $3,177.

What is the risk level of radon in Utah well water?

The risk level for radon in Utah is rated as moderate. The state average of 175.703 pCi/L is 27.3% above the national average of 138.042 pCi/L.

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