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EWG's Tap Water Database — 2019 UPDATE

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Chloromethane

City of Paint Rock

NOTE: City of Paint Rock purchases water from Millersview-doole Water Supply Corporation which is required to test for chloromethane. Sample information shown below was taken by Millersview-doole Water Supply Corporation.

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND30ND
2014ND10ND
2015ND30ND
2016ND20ND
2017ND20ND

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: City of Paint Rock purchases water from Millersview-doole Water Supply Corporation which is required to test for chloromethane. Sample information shown below was taken by Millersview-doole Water Supply Corporation.

Date Lab ID Result
2013-06-26Q1302971010ND
2013-07-22Q1304083007ND
2013-11-14Q1313540004ND
2014-02-27AC45091ND
2015-05-19AC92575ND
2015-05-19AC92583ND
2016-02-17AD24303ND
2016-02-17AD24301ND
2017-03-01Q1708974002ND
2017-05-17Q1720172002ND