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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Eldridge Elderly Housing

Chloromethane is an industrial solvent, aerosol propellant and a refrigerant. It also forms as a byproduct of water disinfection. The EPA classifies chloromethane as possibly carcinogenic to humans.

 

19

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND20ND
2016ND40ND
2017ND40ND
2018ND40ND
2019ND40ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 2.69 ppb

The EWG Health Guideline of 2.69 ppb for chloromethane was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-1074328CH 1ND
2015-08-1483327CH 1ND
2015-10-3084645CH 1ND
2016-03-1886960CH 1ND
2016-06-2489032GE 1ND
2016-09-0790657GE 1ND
2016-12-0292442GE 1ND
2017-03-2994471GE 1ND
2017-06-1496162GE 1ND
2017-09-1898077GE 1ND
2017-12-1899761GE 1ND
2018-03-12101174GE 1ND
2018-06-19103441GE 1ND
2018-08-27105257GE 1ND
2018-12-10107768GE 1ND
2019-03-11109535GE 1ND
2019-06-24111806PPSND
2019-09-09113538PPSND
2019-12-06115299PPSND