Lead in Pennsylvania Well Water

EPA Data 2025 · Risk Level: Moderate

Avg Level

2.672 ppb

EPA Limit

15 ppb

% Above Limit

13.6%

Risk Level

moderate

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

Water Quality Details

Contaminant	Lead
Category	metal
Average Level	2.672 ppb
Maximum Level	6.175 ppb
EPA Limit (MCL)	15 ppb
% Wells Above Limit	13.6%
Affected Wells	244,800
Testing Cost	$94
Treatment Cost	$1,728
vs National Avg	-3.524 ppb (-56.9%)

Pennsylvania Well Water Overview

Well Users

1,800,000

% on Well Water

19.5%

Quality Score

72/100

Highest Risk States for Lead

#1Louisiana19.1% above limit #2West Virginia18.8% above limit #3Indiana16.7% above limit #4Maine13.8% above limit #5Tennessee13.8% 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 lead a problem in Pennsylvania well water?

In Pennsylvania, lead levels average 2.672 ppb, with a maximum recorded level of 6.175 ppb. The EPA limit is 15 ppb. Currently 13.6% of tested wells exceed this limit, affecting approximately 244,800 wells.

How much does it cost to test for lead in Pennsylvania?

Testing for lead in Pennsylvania typically costs around $94. If treatment is needed, water treatment systems for lead cost approximately $1,728.

What is the risk level of lead in Pennsylvania well water?

The risk level for lead in Pennsylvania is rated as moderate. The state average of 2.672 ppb is 56.9% below the national average of 6.196 ppb.

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