['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 Hampshire

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Drinking Water MCLs for PFAS Chemicals — New Hampshire

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

New Hampshire has state-specific statutory standards for Maximum Contaminant Levels (MCLs) in drinking water.

PFOA: 12 parts per trillion (ppt) 
PFOS: 15 ppt

Related information

Safe Drinking Water Act ezExplanation 
Drinking water (SDWA) ezExplanation 
NHDES Drinking Water

Citations

New Hampshire Revised Statutes Annotated Section 485:16-e
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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