['Water Programs']

['Water Analysis', 'Water Monitoring', 'Maximum Contaminant Levels', 'Water Programs', 'Water Reporting', 'Toxic Water Pollutants']

11/25/2025

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Drinking Water MCLs for PFAS Chemicals — New Mexico

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Drinking Water MCLs for PFAS Chemicals — New Mexico

RegSense State Info New Mexico Water Analysis Water Reporting Water Programs Toxic Water Pollutants Maximum Contaminant Levels Best Results Environmental Water Monitoring Water Programs English Focus Area CWA Compliance

New Mexico follows the federal Maximum Contaminant Levels (MCLs). 

PFOA: 4 parts per trillion (ppt) 

PFOS: 4 ppt 

New Mexico’s public water systems are required to comply with federal standards, which the state incorporates by reference.

Related information

Safe Drinking Water Act ezExplanation 
Drinking water (SDWA) ezExplanation 
NMED PFAS Water Regulations and Testing

Citations

New Mexico Administrative Code Section 20.7.10.100
Federal regulation 40 CFR Part 141 
Federal regulation 40 CFR Part 142 
Federal regulation 40 CFR Part 143

['Water Programs']

['Water Analysis', 'Water Monitoring', 'Maximum Contaminant Levels', 'Water Programs', 'Water Reporting', 'Toxic Water Pollutants']

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