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EWG's Tap Water Database — 2019 UPDATE

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Chloromethane

Carrolls Creek Water Authority

NOTE: Carrolls Creek Water Authority purchases water from Tuscaloosa Water & Sewer which is required to test for chloromethane. Sample information shown below was taken by Tuscaloosa Water & Sewer.

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND40ND
2013ND30ND
2014ND10ND
2015ND90ND
2016ND10ND
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: Carrolls Creek Water Authority purchases water from Tuscaloosa Water & Sewer which is required to test for chloromethane. Sample information shown below was taken by Tuscaloosa Water & Sewer.

Date Lab ID Result
2012-01-11120111125-2ND
2012-01-11120111125-1ND
2012-07-11120712002-2ND
2012-07-11120712002-1ND
2013-01-16130116027-2ND
2013-01-16130116027-1ND
2013-07-11130711027-1ND
2013-07-11130711027-2ND
2014-01-16140116033-1ND
2014-01-16140116033-2ND
2015-01-22150122022-2ND
2015-02-263198096ND
2015-02-263198098ND
2015-04-233230586ND
2015-04-233230575ND
2015-07-173283264ND
2015-07-173283287ND
2015-10-093339575ND
2015-10-093339539ND
2016-07-21160721028-002ND
2017-01-19170119025-2ND
2017-01-19170119025-1ND