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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

City of Kerman

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND60ND
2014ND60ND
2015ND40ND
2016ND50ND
2017N/A00N/A
2018ND10ND
2019N/A00N/A

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
2013-11-27A3J2169-11AND
2013-11-27A3J2169-01AND
2013-12-18A3L0677-03AND
2013-12-18A3L0677-02AND
2013-12-18A3L0677-04AND
2013-12-18A3L0677-01AND
2014-06-05A4C2296-07AND
2014-06-05A4C2296-09AND
2014-06-05A4C2296-05AND
2014-06-05A4C2296-11AND
2014-06-05A4C2296-01AND
2014-06-05A4C2296-03AND
2015-12-025810-017-0924ND
2015-12-025810-015-0910ND
2015-12-025810-014-0900ND
2015-12-025810-011-0940ND
2016-04-135810-017-0845ND
2016-04-135810-014-0825ND
2016-04-135810-013-0905ND
2016-08-245810-015-0855ND
2016-08-245810-012-0720ND
2018-02-079590-011-0840ND