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EWG's Tap Water Database — 2019 UPDATE

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Monochlorobenzene (chlorobenzene)

Carson City Public Works

Monochlorobenzene is used as a solvent for pesticides, a degreasing agent and an intermediate for manufacturing other chemicals. It causes liver and kidney damage in studies of laboratory animals.

 

96

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND530ND
2013ND80ND
2014ND40ND
2015ND260ND
2016ND10ND
2017ND40ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 70 ppb

The EWG Health Guideline of 70 ppb for monochlorobenzene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.

EPA Maximum Contaminant
Level (MCL) 100 ppb

The legal limit for monochlorobenzene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1960s.

ppb = parts per billion

All test results

Date Lab ID Result
2012-06-18201206210177-VND
2012-06-182012-6210175-VND
2012-06-18201206210181-VND
2012-06-18201206210171-VND
2012-06-18201206210173-VND
2012-06-18201206210179-VND
2012-06-19201206220025-VND
2012-06-19201206210314-VND
2012-06-19201206220010-VND
2012-06-19201206220012-VND
2012-06-21201206220323-VND
2012-06-21201206220321-VND
2012-06-25201206170436-VND
2012-06-25201206270216-VND
2012-06-25201206270510-VND
2012-06-25201206270444-VND
2012-06-25201206270438-VND
2012-06-25201206270244-VND
2012-06-25201206270434-VND
2012-07-11201207130064-VND
2012-07-12201207140141-VND
2012-07-12201207140139-VND
2012-08-07201208100589-VND
2012-08-07201208100440-VND
2012-08-08201208100396-VND
2012-08-08201208100442-VND
2012-08-15201208170498-VND
2012-08-15201208170343-VND
2012-08-15201208170411-VND
2012-08-27201208300178-VND
2012-08-27201208300180-VND
2012-08-27201208300158-VND
2012-09-11201209130773-VND
2012-09-11201209130709-VND
2012-09-11201209130775-VND
2012-09-11201209130771-VND
2012-09-12201209130715-VND
2012-09-12201209150030-VND
2012-09-12201209140297-VND
2012-09-12201209150004-VND
2012-09-12201209150006-VND
2012-09-12201209150221-VND
2012-09-18201209200727-VND
2012-09-18201209200453-VND
2012-09-19201209200729-VND
2012-09-20201209220112-VND
2012-09-20201209220114-VND
2012-10-01201210020385-VND
2012-10-01201210020301-VND
2012-10-02201210030297-VND
2012-10-02201210040117-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
2014-09-04201409050252ND
2015-05-19201505210341VND
2015-05-19201505210480VND
2015-05-19201505210388VND
2015-05-19201505210392VND
2015-05-20201505210405-VOCND
2015-05-20201505210412VND
2015-05-20201505210403VND
2015-05-21201505220247-VOCND
2015-05-21201505220202VND
2015-05-21201505220242VND
2015-06-01201506030333-VOCND
2015-06-012015506030247-VOND
2015-06-01201506030355-VOCND
2015-06-01201506030407-VOCND
2015-06-09201506120278-VOCND
2015-06-09201506120280-VOCND
2015-06-11201506120209-VOCND
2015-06-11201506120140-VOCND
2015-06-29201506300124-VOCND
2015-06-29201506300177-VOCND
2015-06-30201507160442-VOCND
2015-06-30201507010430-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