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EWG's Tap Water Database — 2019 UPDATE

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Chloromethane

Bridgeport Township

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

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND30ND
2014ND30ND
2015ND10ND
2016N/A00N/A
2017N/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

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

Date Lab ID Result
2012-01-10LLE14433ND
2013-01-16LLE61753ND
2013-09-2535109970001AMND
2013-12-1135119370001AMND
2014-01-15LLF07115ND
2014-03-1135129935001AMND
2014-06-1035141854001AMND