Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Chloromethane

Great Waters At Reynolds Plantation

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
2016ND50ND
2017N/A00N/A
2018N/A00N/A
2019ND60ND

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
2014-05-05AI39465ND
2014-05-05AI39464ND
2014-05-05AI39463ND
2014-05-05AI39462ND
2015-03-18AI69317ND
2015-03-18AI69316ND
2015-03-18AI69315ND
2015-03-18AI69314ND
2016-04-06AJ09536ND
2016-04-06AJ09537ND
2016-04-06AJ09535ND
2016-04-06AJ09534ND
2016-04-06AJ09533ND
2019-07-30AK23894ND
2019-07-30AK23893ND
2019-07-30AK23892ND
2019-07-30AK23891ND
2019-08-21AK27477ND
2019-08-21AK27478ND