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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Mills Mobile Home Park 1&2

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
2014ND40ND
2015ND40ND
2016ND40ND
2017ND40ND
2018N/A00N/A
2019ND30ND

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
2014-02-03AD35117ND
2014-05-22AD40238ND
2014-07-23AD42914ND
2014-11-18AD48229ND
2015-02-26AD51954ND
2015-05-27AD55933ND
2015-09-01AD60225ND
2015-12-07AD67396ND
2016-03-17AD72758ND
2016-05-27AD76554ND
2016-08-30AD81521ND
2016-10-27AD84923ND
2017-02-16AD90028ND
2017-04-19AD92894ND
2017-07-24AD97883ND
2017-10-11AE01792ND
2019-01-10AE23871ND
2019-09-18AE37405ND
2019-12-03AE40976ND