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EWG's Tap Water Database — 2021 UPDATE

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Methane

Status: No national drinking water standard exists

 

Methane is formed during the decay of organic matter; as the principal component of natural gas, it is used as a fuel and in the manufacture of synthetic chemicals.

2017-2019:

FOUND

1

states detected

1

utilities detected

850

people served

States reporting methane in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
New York1850
MORE
LESS

Utilities with the highest amounts of methane, 2017-2019

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Belfast Water DistrictBelfast, NY44 of 4412,927.8 ppb850
UtilityLocationTestsAverage levelPeople served