Radon in Alabama Well Water

EPA Data 2025 · Risk Level: Low

Avg Level

178.408 pCi/L

EPA Limit

300 pCi/L

% Above Limit

6.3%

Risk Level

low

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

Water Quality Details

Contaminant	Radon
Category	radiological
Average Level	178.408 pCi/L
Maximum Level	863.991 pCi/L
EPA Limit (MCL)	300 pCi/L
% Wells Above Limit	6.3%
Affected Wells	45,360
Testing Cost	$82
Treatment Cost	$826
vs National Avg	+40.366 pCi/L (+29.2%)

Alabama Well Water Overview

Well Users

720,000

% on Well Water

12.1%

Quality Score

68/100

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 Alabama well water?

In Alabama, radon levels average 178.408 pCi/L, with a maximum recorded level of 863.991 pCi/L. The EPA limit is 300 pCi/L. Currently 6.3% of tested wells exceed this limit, affecting approximately 45,360 wells.

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

Testing for radon in Alabama typically costs around $82. If treatment is needed, water treatment systems for radon cost approximately $826.

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

The risk level for radon in Alabama is rated as low. The state average of 178.408 pCi/L is 29.2% above the national average of 138.042 pCi/L.

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