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EWG's Tap Water Database — 2021 UPDATE

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Chloromethane

Rra Hinds Wildcat Water System

NOTE: Rra Hinds Wildcat Water System purchases water from City of Vernon which is required to test for chloromethane. Sample information shown below was taken by City of Vernon.

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.

 

8

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND10ND
2017ND10ND
2018ND10ND
2019ND10ND

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: Rra Hinds Wildcat Water System purchases water from City of Vernon which is required to test for chloromethane. Sample information shown below was taken by City of Vernon.

Date Lab ID Result
2014-03-11Q1407813002ND
2014-10-163124761ND
2015-01-153171474ND
2015-02-10Q1505413012ND
2016-02-03Q1604929002ND
2017-01-31Q1704172002ND
2018-02-13Q1806086002ND
2019-01-30Q1904677002ND