New Hampshire Tap Water Quality: Is It Safe to Drink?
2026 EPA water quality data for 0 community water systems serving residents in New Hampshire. Find your water system to see violations, PFAS results, lead testing, and a safety grade — free.
New Hampshire relies on a mix of surface water and bedrock wells for drinking water. PFAS contamination from the former Pease Air Force Base and a Saint-Gobain plastics facility prompted the state to adopt some of the strictest PFAS standards in the country. Naturally occurring arsenic and uranium are common in granite bedrock wells.
Find Your Water System in New Hampshire
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📊 Data from EPA’s SDWIS
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🔄 Updated quarterly
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🏛️ 0+ water systems in New Hampshire