Chloromethane

West Lauderdale County Water and FPA

NOTE: West Lauderdale County Water and FPA purchases water from Florence Water-Wastewater Department which is required to test for chloromethane. Sample information shown below was taken by Florence Water-Wastewater Department.

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.

MORE ABOUT THIS CONTAMINANT

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2013	ND	2	ND
2014	ND	2	ND
2015	ND	2	ND
2016	ND	3	ND
2017	ND	1	ND
2018	ND	2	ND
2019	ND	3	ND

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

Date	Lab ID	Result
2013-07-17	2861934	ND
2013-07-17	2861915	ND
2013-07-17	2861906	ND
2013-07-17	2861925	ND
2013-10-15	2915264	ND
2013-10-15	2915322	ND
2014-01-23	2965803	ND
2014-01-23	2965818	ND
2014-01-23	2965794	ND
2014-01-23	2965833	ND
2014-04-16	3012964	ND
2014-04-16	3013040	ND
2014-05-30	140530025-1	ND
2015-02-09	150210017-1	ND
2015-05-12	150512044-1	ND
2016-02-11	160212051-1	ND
2016-02-11	160212051-2	ND
2016-05-09	160510007-1	ND
2017-05-09	170509043-1	ND
2018-03-02	180302031-1	ND
2018-05-14	180515027-1	ND
2019-02-11	19020364-001A	ND
2019-05-14	19050484-001A	ND
2019-11-12	20130040001_IVOC	ND