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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

City of Scottsbluff

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.

MORE ABOUT THIS CONTAMINANT

 

65

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND310ND
2015ND120ND
2016ND60ND
20170.0589 ppb91ND - 0.530 ppb
2018ND20ND
2019ND50ND

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
2014-02-24288435ND
2014-02-24288437ND
2014-02-24288438ND
2014-02-24288434ND
2014-04-14294871ND
2014-04-14294872ND
2014-04-14294873ND
2014-04-14294874ND
2014-07-14311942ND
2014-07-14311943ND
2014-07-14311944ND
2014-07-14311945ND
2014-09-08310619ND
2014-09-08310622ND
2014-09-08310621ND
2014-09-08310620ND
2014-09-08310618ND
2014-09-08310617ND
2014-09-09310616ND
2014-10-07824108-12567ND
2014-10-07824104-12556ND
2014-10-08824749-12579ND
2014-10-08824745-12579ND
2014-10-13330684ND
2014-10-13330685ND
2014-10-13330686ND
2014-10-13330687ND
2014-10-14825647-12608ND
2014-10-14825643-12608ND
2014-10-15826039-12621ND
2014-10-15826035-12621ND
2015-03-30851089-13771ND
2015-03-31851308-13791ND
2015-03-31851304-13791ND
2015-04-01851630-13791ND
2015-04-01851634-13791ND
2015-04-06852118-13791ND
2015-04-07852449-13847ND
2015-04-07852453-13847ND
2015-04-08853070-13847ND
2015-04-08853074-13847ND
2015-08-24375498ND
2015-08-24375499ND
2016-06-20ND
2016-08-15ND
2016-08-15ND
2016-09-12ND
2016-10-03ND
2016-10-03ND
2017-03-13ND
2017-08-14ND
2017-08-14ND
2017-11-270.530 ppb
2017-11-27ND
2017-11-27ND
2017-11-27ND
2017-11-27ND
2017-11-27ND
2018-08-28568512ND
2018-08-28568511ND
2019-08-19618547ND
2019-08-27628418ND
2019-08-27628419ND
2019-09-23618549ND
2019-09-23618548ND