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EWG's Tap Water Database — 2019 UPDATE

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1,1,1-Trichloroethane

Carson City Public Works

1,1,1-Trichloroethane is a solvent and a degreasing agent used for manufacturing metal products and as ingredient in cleaners and aerosols. Exposure to 1,1,1-trichloroethane can harm the nervous system, liver and circulatory system.

 

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

EPA Maximum Contaminant
Level (MCL) 200 ppb

The legal limit for 1,1,1-trichloroethane, established in 1987, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.

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