Know Your Environment. Protect Your Health.

Chloromethane

Hazardville Water Company

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.

 

45

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2015ND60ND
2016N/A00N/A
2017N/A00N/A
2018ND60ND
2019ND50ND
2020ND90ND
2021ND50ND
2022ND50ND
2023ND90ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2015-01-2146088 012015ND
2015-01-2138661 012015ND
2015-01-2146091 012015ND
2015-01-2146090 012015ND
2015-01-2146094 012015ND
2015-01-2146093 012015ND
2018-01-03BZ68303VOC1ND
2018-04-03CA12985VOC1ND
2018-07-02CA82194ND
2018-07-02CA82195ND
2018-07-02CA82195VOC1ND
2018-10-10CB69247ND
2019-01-07CC25226ND
2019-04-02CC79783ND
2019-07-09CD52640ND
2019-07-09CD52639ND
2019-10-08CE28924ND
2020-01-13CF12156ND
2020-04-01CF59969ND
2020-07-01CG26323ND
2020-07-01CG26322ND
2020-07-01CG26319ND
2020-07-01CG26321ND
2020-07-01CG26320ND
2020-07-01CG26324ND
2020-12-21CH35890ND
2021-02-02CH56335ND
2021-04-12CH98310ND
2021-07-07CI68951ND
2021-07-07CI68950ND
2021-10-12CJ55044ND
2022-01-05CK10281ND
2022-04-12CL06123ND
2022-07-18CL79821ND
2022-07-18CL79816ND
2022-10-04CM49070ND
2023-01-09CN19981ND
2023-04-03CN75054ND
2023-07-17CO51862ND
2023-07-17CO51859ND
2023-07-17CO51861ND
2023-07-17CO51863ND
2023-07-17CO51860ND
2023-07-17CO51864ND
2023-10-10CP21649ND