Mercury in New Mexico Well Water

EPA Data 2025 · Risk Level: High

Avg Level

0.5 ppb

EPA Limit

2 ppb

% Above Limit

17.3%

Risk Level

high

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

Water Quality Details

Contaminant	Mercury
Category	metal
Average Level	0.5 ppb
Maximum Level	1.115 ppb
EPA Limit (MCL)	2 ppb
% Wells Above Limit	17.3%
Affected Wells	48,440
Testing Cost	$123
Treatment Cost	$1,610
vs National Avg	-0.423 ppb (-45.8%)

New Mexico Well Water Overview

Well Users

280,000

% on Well Water

20.5%

Quality Score

64/100

Highest Risk States for Mercury

#1Kentucky18.2% above limit #2Arkansas17.3% above limit #3New Mexico17.3% above limit #4Michigan15.8% above limit #5Minnesota14.3% 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 mercury a problem in New Mexico well water?

In New Mexico, mercury levels average 0.5 ppb, with a maximum recorded level of 1.115 ppb. The EPA limit is 2 ppb. Currently 17.3% of tested wells exceed this limit, affecting approximately 48,440 wells.

How much does it cost to test for mercury in New Mexico?

Testing for mercury in New Mexico typically costs around $123. If treatment is needed, water treatment systems for mercury cost approximately $1,610.

What is the risk level of mercury in New Mexico well water?

The risk level for mercury in New Mexico is rated as high. The state average of 0.5 ppb is 45.8% below the national average of 0.923 ppb.

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