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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Waterford Township

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.

 

50

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND120ND
2014ND300ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND80ND

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
2013-12-0324324801ND
2013-12-0324322701ND
2013-12-0324322901ND
2013-12-0324324901ND
2013-12-0424324401ND
2013-12-0424323101ND
2013-12-0424323501ND
2013-12-0424323301ND
2013-12-0424324001ND
2013-12-0424324601ND
2013-12-0424323801ND
2013-12-0424324201ND
2014-03-05LLF10999ND
2014-03-05LLF11000ND
2014-06-0226018401ND
2014-06-0226018201ND
2014-06-0226018001ND
2014-06-0326018601ND
2014-06-0326016501ND
2014-06-0326017301ND
2014-06-0326017101ND
2014-06-0326016901ND
2014-06-0326016701ND
2014-06-0326017601ND
2014-06-0326017801ND
2014-06-0326018701ND
2014-06-04LLF20947ND
2014-06-04LLF20941ND
2014-06-04LLF20939ND
2014-06-04LLF20937ND
2014-06-04LLF20943ND
2014-06-04LLF20942ND
2014-06-04LLF20945ND
2014-06-04LLF20946ND
2014-06-04LLF20944ND
2014-06-04LLF20940ND
2014-06-04LLF20936ND
2014-06-04LLF20938ND
2014-09-10LLF37550ND
2014-09-10LLF37549ND
2014-10-09LLF48781ND
2014-12-09LLF48780ND
2018-03-06LLH68968ND
2018-03-06LLH68969ND
2018-05-16LLH80892ND
2018-05-16LLH80891ND
2018-07-19LLH94052ND
2018-07-19LLH94051ND
2018-12-06LLI18229ND
2018-12-06LLI18228ND