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EWG's Tap Water Database — 2019 UPDATE

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1,1,1,2-Tetrachloroethane

Palmer Water District No.1

1,1,1,2-Tetrachloroethane is a synthetic chemical used in metal degreasing and as an intermediate in industrial chemical production.

 

44

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND70ND
2013ND130ND
2014ND90ND
2015ND50ND
2016ND50ND
2017ND50ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 1 ppb

The EWG Health Guideline of 1 ppb for 1,1,1,2-tetrachloroethane was defined by the Environmental Protection Agency as a one-in-a-million lifetime risk of cancer. Values greater than one-in-a-million cancer risk level can result in increased cancer cases above one in a million people.

ppb = parts per billion

All test results

Date Result
2012-07-18ND
2012-07-18ND
2012-07-18ND
2012-07-18ND
2012-07-18ND
2012-12-11ND
2012-12-11ND
2013-03-11ND
2013-03-11ND
2013-05-13ND
2013-05-13ND
2013-07-09ND
2013-07-09ND
2013-09-17ND
2013-09-17ND
2013-09-17ND
2013-09-17ND
2013-09-17ND
2013-12-10ND
2013-12-10ND
2014-02-18ND
2014-02-18ND
2014-09-24ND
2014-09-24ND
2014-09-24ND
2014-09-24ND
2014-09-24ND
2014-11-24ND
2014-11-24ND
2015-08-10ND
2015-08-10ND
2015-08-10ND
2015-08-10ND
2015-08-10ND
2016-08-09ND
2016-08-09ND
2016-08-09ND
2016-08-09ND
2016-08-09ND
2017-11-15ND
2017-11-15ND
2017-11-15ND
2017-11-15ND
2017-11-15ND