MyCleanWater

Grantham, New Hampshire Water Quality Report

Water quality data for 1 water system serving 3,400 people.

100
Excellent
out of 100

Water Source

1
Water System
3K
People Served
Ground water
Water Source

Detected Contaminants

No contaminant data available for this location.

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Compliance & Violations

Resolved Violations (128)

53

Jan 11, 2025

moderate

53

Jan 11, 2025

moderate

75

Sep 22, 2021

minor

75

Sep 22, 2021

minor

75

Mar 14, 2021

minor

+ 123 more resolved violations

Frequently Asked Questions

Is Grantham tap water safe to drink?

Grantham's water meets all EPA maximum contaminant levels. However, 0 contaminants were detected at various levels. Some residents may prefer additional filtration for peace of mind.

What contaminants are in Grantham tap water?

0 contaminants have been detected in Grantham's water supply across 1 water system. See the full contaminant table above for details.

How can I improve my water quality in Grantham?

Install a water filter rated for the specific contaminants found in Grantham's water. See our filter recommendations above. You can also request your utility's Consumer Confidence Report for the most current test results.