New Hampshire Water Quality Reports 2026

Is your New Hampshire tap water safe to drink? Check water quality for 2 cities and find the best water filtration companies near you.

2 cities covered206,966 residentsFree water testing

Common Water Quality Concerns in New Hampshire

PFAS (forever chemicals)
Lead from aging pipes
Disinfection byproducts
Agricultural runoff

Water Quality Reports by City

Select your city to see EPA water data and find local filtration services.

About New Hampshire Drinking Water

Is New Hampshire tap water safe? While New Hampshire water utilities must meet EPA minimum standards, many contaminants are legally allowed at levels that health experts consider concerning. Each city's water quality varies based on source, treatment, and infrastructure age.

How to Find the Best Water Filtration in New Hampshire

When choosing a water filtration company in New Hampshire, consider:

  • Free water testing — Reputable companies offer professional in-home testing
  • Customized solutions — Your system should address your specific contaminants
  • Whole-home vs. point-of-use — Whole-home systems protect every tap and shower
  • Certification — Look for NSF-certified systems
  • Warranty and service — Quality companies stand behind their work

Why New Hampshire Residents Need Water Filtration

New Hampshire's water infrastructure faces challenges from aging pipes, agricultural runoff, industrial contamination, and emerging pollutants like PFAS. Even when water leaves the treatment plant safely, it can pick up contaminants traveling through miles of pipes to your home.

A whole-home water filtration system ensures that every tap in your New Hampshire home delivers clean, safe water — for drinking, cooking, bathing, and more.

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Water Quality Reports by State

Check water quality in other states across the US.

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