Arsenic in Florida Well Water

EPA Data 2025 · Risk Level: Moderate

Avg Level

1.018 ppb

EPA Limit

10 ppb

% Above Limit

8.1%

Risk Level

moderate

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

Water Quality Details

Contaminant	Arsenic
Category	chemical
Average Level	1.018 ppb
Maximum Level	2.506 ppb
EPA Limit (MCL)	10 ppb
% Wells Above Limit	8.1%
Affected Wells	68,850
Testing Cost	$129
Treatment Cost	$4,209
vs National Avg	-3.225 ppb (-76.0%)

Florida Well Water Overview

Well Users

850,000

% on Well Water

8.5%

Quality Score

65/100

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 Florida well water?

In Florida, arsenic levels average 1.018 ppb, with a maximum recorded level of 2.506 ppb. The EPA limit is 10 ppb. Currently 8.1% of tested wells exceed this limit, affecting approximately 68,850 wells.

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

Testing for arsenic in Florida typically costs around $129. If treatment is needed, water treatment systems for arsenic cost approximately $4,209.

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

The risk level for arsenic in Florida is rated as moderate. The state average of 1.018 ppb is 76.0% below the national average of 4.243 ppb.

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