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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-Tetrachloroethane

Madison Water Department

1,1,2,2-Tetrachloroethane is an industrial chemical which has been used as a metal degreaser, and in paint, paint removers, mothballs and pesticides. It damages the liver and nervous system, and may cause cancer.

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230

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND560ND
2015ND560ND
2016ND380ND
2017ND240ND
2018ND320ND
2019ND240ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.1 ppb

The EWG Health Guideline of 0.1 ppb for 1,1,2,2-tetrachloroethane 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 cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-07AB45690HZND
2014-01-07AB45691HZND
2014-01-07AB45693HZND
2014-01-07AB45694HZND
2014-01-14AB45945HZND
2014-01-14AB45947HZND
2014-02-04AB46807HZND
2014-02-04AB46809HZND
2014-02-27AB47794HZND
2014-02-27AB47796HZND
2014-03-03AB47851HZND
2014-03-03AB47853HZND
2014-03-18AB48564HZND
2014-03-18AB48566HZND
2014-04-02AB49157HZND
2014-04-02AB49158HZND
2014-04-02AB49160HZND
2014-04-02AB49161HZND
2014-04-15AB49749HZND
2014-04-15AB49751HZND
2014-05-07AB50518HZND
2014-05-07AB50520HZND
2014-05-13AB50756HZND
2014-05-13AB50758HZND
2014-06-03AB51634HZND
2014-06-03AB51636HZND
2014-06-10AB51896HZND
2014-06-10AB51898HZND
2014-07-01AB52820HZND
2014-07-01AB52821HZND
2014-07-01AB52823HZND
2014-07-01AB52824HZND
2014-07-08AB53081HZND
2014-07-08AB53083HZND
2014-08-06AB54290HZND
2014-08-06AB54292HZND
2014-08-12AB54552HZND
2014-08-12AB54554HZND
2014-09-03L5211814-2ND
2014-09-03L5211814-4ND
2014-09-09L5240310-2ND
2014-09-09L5240310-4ND
2014-10-06AB56812HZND
2014-10-06AB56813HZND
2014-10-06AB56815HZND
2014-10-06AB56816HZND
2014-10-14AB57112HZND
2014-10-14AB57114HZND
2014-11-12AB58266HZND
2014-11-12AB58268HZND
2014-11-19AB58677HZND
2014-11-19AB58679HZND
2014-12-02AB59050HZND
2014-12-02AB59052HZND
2014-12-09AB59345HZND
2014-12-09AB59347HZND
2015-01-13AB60578HZND
2015-01-13AB60582HZND
2015-01-13AB60580HZND
2015-01-13AB60581HZND
2015-01-19AB60782HZND
2015-01-19AB60784HZND
2015-02-10AB61655HZND
2015-02-10AB61657HZND
2015-02-17AB61920HZND
2015-02-17AB61922HZND
2015-03-04AB62619HZND
2015-03-04AB62621HZND
2015-03-10AB62868HZND
2015-03-10AB62870HZND
2015-04-14AB64266HZND
2015-04-14AB64270HZND
2015-04-14AB64269HZND
2015-04-14AB64267HZND
2015-04-21AB64553HZND
2015-04-21AB64555HZND
2015-05-12AB65438HZND
2015-05-12AB65440HZND
2015-05-19AB65726HZND
2015-05-19AB65728HZND
2015-06-09AB66692HZND
2015-06-09AB66694HZND
2015-06-11AB66865HZND
2015-06-11AB66867HZND
2015-07-14AB68295HZND
2015-07-14AB68299HZND
2015-07-14AB68298HZND
2015-07-14AB68296HZND
2015-07-21AB68634HZND
2015-07-21AB68636HZND
2015-08-12AB69756HZND
2015-08-12AB69758HZND
2015-08-18AB70011HZND
2015-08-18AB70013HZND
2015-09-08AB70868HZND
2015-09-08AB70870HZND
2015-09-15AB71196HZND
2015-09-15AB71198HZND
2015-10-13AB72344HZND
2015-10-13AB72347HZND
2015-10-13AB72346HZND
2015-10-20AB72618HZND
2015-10-20AB72620HZND
2015-11-10AB73564HZND
2015-11-10AB73566HZND
2015-11-18AB73925HZND
2015-11-18AB73927HZND
2015-12-08AB74624HZND
2015-12-08AB74626HZND
2015-12-16AB74998HZND
2015-12-16AB75000HZND
2015-12-16AB75001HZND
2016-01-12AB75879HZND
2016-01-12AB75882HZND
2016-01-12AB75881HZND
2016-01-12AB75883HZND
2016-01-19AB76145HZND
2016-01-19AB76147HZND
2016-02-09AB76984HZND
2016-02-09AB76986HZND
2016-02-24AB77585HZND
2016-02-24AB77587HZND
2016-03-08AB78056HZND
2016-03-08AB78058HZND
2016-03-15AB78389HZND
2016-03-15AB78387HZND
2016-04-12AB79653HZND
2016-04-12AB79657HZND
2016-04-12AB79656HZND
2016-04-12AB79654HZND
2016-05-10AB81000HZND
2016-05-10AB81002HZND
2016-06-14AB82519HZND
2016-06-14AB82521HZND
2016-07-12AB83733HZND
2016-07-12AB83737HZND
2016-07-12AB83736HZND
2016-07-12AB83734HZND
2016-08-09AB85026HZND
2016-08-09AB85028HZND
2016-09-12AB86391HZND
2016-09-12AB86393HZND
2016-10-11AB87758HZND
2016-10-11AB87753HZND
2016-10-11AB87755HZND
2016-10-11AB87756HZND
2016-11-22AB89695HZND
2016-11-22AB89697HZND
2016-12-13AB90416HZND
2016-12-20AB90672HZND
2017-01-10AB91444HZND
2017-01-10AB91446HZND
2017-01-10AB91445HZND
2017-02-14AB92805HZND
2017-03-13AB93936HZND
2017-04-10AB95033HZND
2017-04-10AB95035HZND
2017-04-10AB95032HZND
2017-05-09AB96253HZND
2017-06-20AB97872HZND
2017-06-20AB97874HZND
2017-07-11AB98680HZND
2017-07-11AB98682HZND
2017-07-11AB98684HZND
2017-07-11AB98681HZND
2017-08-08AB99870HZND
2017-08-08AB99872HZND
2017-09-12AC01261HZND
2017-09-12AC01263HZND
2017-11-14AC03873HZND
2017-11-14AC03875HZND
2017-11-14AC03871HZND
2017-12-12AC04936HZND
2017-12-12AC04938HZND
2018-01-09AC05960HZND
2018-01-09AC05962HZND
2018-01-09AC05964HZND
2018-01-09AC05961HZND
2018-02-13JC60783-2ND
2018-02-13JC60783-4ND
2018-03-15AC08545HZND
2018-03-15AC08547HZND
2018-04-10JC64164-1ND
2018-04-10JC64164-4ND
2018-04-10JC64164-3ND
2018-04-10JC64164-2ND
2018-05-08AC10579HZND
2018-05-08AC10581HZND
2018-06-22AC12531HZND
2018-06-22AC12533HZND
2018-07-10AC13175HZND
2018-07-10AC13177HZND
2018-07-10AC13179HZND
2018-07-10AC13176HZND
2018-08-14AC14790HZND
2018-08-14AC14792HZND
2018-09-17AC16240HZND
2018-09-27AC16828HZND
2018-10-04AC17168HZND
2018-10-04AC17171HZND
2018-10-04AC17167HZND
2018-10-04AC17170HZND
2018-11-08AC18564HZND
2018-11-08AC18566HZND
2018-12-06AC19711HZND
2018-12-06AC19713HZND
2019-01-10AC21028HZND
2019-01-10AC21030HZND
2019-01-10AC21031HZND
2019-02-07AC22348HZND
2019-03-07AC23576HZND
2019-03-07AC23578HZND
2019-04-04AC24827HZND
2019-05-08AC26187HZND
2019-05-08AC26189HZND
2019-06-06AC27593HZND
2019-06-06AC27596HZND
2019-06-06AC27595HZND
2019-07-11AC29195HZND
2019-07-11AC29197HZND
2019-08-08AC30477HZND
2019-08-08AC30479HZND
2019-09-09AC32081HZND
2019-09-09AC32083HZND
2019-10-03AC33344HZND
2019-10-03AC33346HZND
2019-11-07AC34877HZND
2019-11-07AC34879HZND
2019-12-05AC36028HZND
2019-12-05AC36030HZND