Know Your Environment. Protect Your Health.

Chloromethane

City of Woodway

NOTE: City of Woodway purchases water from City of Waco which is required to test for chloromethane. Sample information shown below was taken by City of Waco.

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.

 

25

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015ND120ND
2016N/A00N/A
2017N/A00N/A
2018ND60ND
2019ND60ND
2020ND70ND
2021ND60ND
2022ND60ND
2023ND60ND

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

NOTE: City of Woodway purchases water from City of Waco which is required to test for chloromethane. Sample information shown below was taken by City of Waco.

Date Lab ID Result
2015-03-2635181337005AMND
2015-03-2635181337007AMND
2015-06-2535194687001AMND
2015-06-2535194689001AMND
2015-07-3035199996003AMND
2015-07-3035199996001AMND
2015-09-2835209341005AMND
2015-09-2835209341007AMND
2015-09-2835209341003AMND
2015-09-2835209341001AMND
2015-12-2135222235001AMND
2015-12-2135222235003AMND
2018-07-19AE33981ND
2018-07-19AE33959ND
2019-07-23AE75567ND
2019-07-23AE75565ND
2020-02-05AE97085ND
2020-08-04AF21836ND
2020-08-04AF21834ND
2021-07-21AF62959ND
2021-07-21AF62957ND
2022-07-06AG03338ND
2022-07-06AG03334ND
2023-08-02AG51114ND
2023-08-02AG51088ND