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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Minden Water System

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.

MORE ABOUT THIS CONTAMINANT

 

40

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
2014N/A00N/A
2015ND180ND
2016N/A00N/A
2017N/A00N/A
2018ND220ND
2019N/A00N/A

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
2015-07-1335197767005ND
2015-07-1335197767001ND
2015-07-1335197767002ND
2015-07-1335197767005ND
2015-07-1335197767004ND
2015-07-1335197767003ND
2015-07-1335197767002ND
2015-07-1335197767001ND
2015-07-1335197767004ND
2015-07-1335197767003ND
2015-07-2035198651002ND
2015-07-2035198651001ND
2015-07-2035198651003ND
2015-07-2035198651004ND
2015-07-2035198651003ND
2015-07-2035198651002ND
2015-07-2035198651001ND
2015-07-2035198651004ND
2018-06-2535400742009ND
2018-06-2535400742007ND
2018-06-2535400742008ND
2018-06-2535400742009ND
2018-06-2535400742008ND
2018-06-2535400742007ND
2018-06-2535400742006ND
2018-06-2535400742005ND
2018-06-2535400742002ND
2018-06-2535400742001ND
2018-06-2535400742001ND
2018-06-2535400742002ND
2018-06-2535400742005ND
2018-06-2535400742006ND
2018-07-1835405388001ND
2018-07-1835405388004ND
2018-07-1835405388003ND
2018-07-1835405388002ND
2018-07-1835405388001ND
2018-07-1835405388004ND
2018-07-1835405388003ND
2018-07-1835405388002ND