Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Chloromethane

Carson City Public Works

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.

 

111

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND530ND
2013ND80ND
2014ND120ND
2015ND330ND
2016ND10ND
2017ND40ND

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
2012-06-18201206210179-VND
2012-06-18201206210173-VND
2012-06-18201206210177-VND
2012-06-18201206210181-VND
2012-06-182012-6210175-VND
2012-06-18201206210171-VND
2012-06-19201206210314-VND
2012-06-19201206220025-VND
2012-06-19201206220012-VND
2012-06-19201206220010-VND
2012-06-21201206220323-VND
2012-06-21201206220321-VND
2012-06-25201206270438-VND
2012-06-25201206170436-VND
2012-06-25201206270510-VND
2012-06-25201206270244-VND
2012-06-25201206270216-VND
2012-06-25201206270434-VND
2012-06-25201206270444-VND
2012-07-11201207130064-VND
2012-07-12201207140141-VND
2012-07-12201207140139-VND
2012-08-07201208100589-VND
2012-08-07201208100440-VND
2012-08-08201208100442-VND
2012-08-08201208100396-VND
2012-08-15201208170343-VND
2012-08-15201208170411-VND
2012-08-15201208170498-VND
2012-08-27201208300178-VND
2012-08-27201208300180-VND
2012-08-27201208300158-VND
2012-09-11201209130775-VND
2012-09-11201209130771-VND
2012-09-11201209130773-VND
2012-09-11201209130709-VND
2012-09-12201209130715-VND
2012-09-12201209140297-VND
2012-09-12201209150006-VND
2012-09-12201209150004-VND
2012-09-12201209150030-VND
2012-09-12201209150221-VND
2012-09-18201209200727-VND
2012-09-18201209200453-VND
2012-09-19201209200729-VND
2012-09-20201209220114-VND
2012-09-20201209220112-VND
2012-10-01201210020385-VND
2012-10-01201210020301-VND
2012-10-02201210040117-VND
2012-10-02201210030297-VND
2012-10-22201210230058-VND
2012-11-13201211150453-VND
2013-05-13201305140672-VND
2013-06-18201306190582-VND
2013-06-26201306270194-VND
2013-07-18201307200001-VND
2013-08-28201308290498-VND
2013-09-09201309100461-VND
2013-09-25201309260254-VND
2013-09-30201310010188-VND
2014-02-24201402260926-VND
2014-05-27201405280593-VND
2014-07-01201407020370ND
2014-08-11201408130733AMND
2014-08-11201408130731AMND
2014-08-12201408130669AMND
2014-08-12201408130822AMND
2014-08-12201408130686AMND
2014-08-12201408130648AMND
2014-08-12201408130810AMND
2014-09-04201409050252ND
2014-11-24201411250372AMND
2015-02-23201502240586AMND
2015-02-23201502240530AMND
2015-02-23201502240536AMND
2015-02-23201502240532AMND
2015-02-24201502250915AMND
2015-02-24201502250934AMND
2015-05-12201505130627AMND
2015-05-19201505210392VND
2015-05-19201505210480VND
2015-05-19201505210341VND
2015-05-19201505210388VND
2015-05-20201505210403VND
2015-05-20201505210412VND
2015-05-20201505210405-VOCND
2015-05-21201505220242VND
2015-05-21201505220202VND
2015-05-21201505220247-VOCND
2015-06-01201506030407-VOCND
2015-06-01201506030355-VOCND
2015-06-012015506030247-VOND
2015-06-01201506030333-VOCND
2015-06-09201506120280-VOCND
2015-06-09201506120278-VOCND
2015-06-11201506120209-VOCND
2015-06-11201506120140-VOCND
2015-06-29201506300124-VOCND
2015-06-29201506300177-VOCND
2015-06-30201507010430-VOCND
2015-06-30201507160442-VOCND
2015-08-03201508040410-VOCND
2015-08-04201508050421-VOCND
2015-08-10201508110263-VOCND
2015-09-15201509020134-VOCND
2016-06-22201606230265-VOCND
2017-05-15201705160571ND
2017-05-16201705170782-VOCND
2017-05-23201705240769ND
2017-06-21201706220614ND