Arsenic in Utah Well Water

EPA Data 2025 · Risk Level: Low

Avg Level

3.105 ppb

EPA Limit

10 ppb

% Above Limit

6.3%

Risk Level

low

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

Water Quality Details

Contaminant	Arsenic
Category	chemical
Average Level	3.105 ppb
Maximum Level	9.249 ppb
EPA Limit (MCL)	10 ppb
% Wells Above Limit	6.3%
Affected Wells	9,450
Testing Cost	$142
Treatment Cost	$4,492
vs National Avg	-1.138 ppb (-26.8%)

Utah Well Water Overview

Well Users

150,000

% on Well Water

11.5%

Quality Score

74/100

Highest Risk States for Arsenic

#1Iowa17.4% above limit #2Georgia15.8% above limit #3Missouri15.8% above limit #4Alabama15.4% above limit #5Colorado14.0% 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 arsenic a problem in Utah well water?

In Utah, arsenic levels average 3.105 ppb, with a maximum recorded level of 9.249 ppb. The EPA limit is 10 ppb. Currently 6.3% of tested wells exceed this limit, affecting approximately 9,450 wells.

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

Testing for arsenic in Utah typically costs around $142. If treatment is needed, water treatment systems for arsenic cost approximately $4,492.

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

The risk level for arsenic in Utah is rated as low. The state average of 3.105 ppb is 26.8% below the national average of 4.243 ppb.

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