Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,1,1-Trichloroethane

Valentine, City of

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND30ND
2016ND30ND
2017ND60ND
2018ND30ND
2019ND30ND

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
2014-03-04278521ND
2014-03-04278522ND
2014-03-04278520ND
2014-03-31279146ND
2014-03-31279147ND
2014-10-27311068ND
2015-01-26343372ND
2015-01-26343373ND
2015-01-26343374ND
2016-02-16ND
2016-02-16ND
2016-02-16ND
2017-01-17ND
2017-01-17ND
2017-01-17ND
2017-03-20ND
2017-03-20ND
2017-12-04ND
2018-01-29530783ND
2018-01-29530784ND
2018-01-29530785ND
2019-02-05592393ND
2019-02-05592394ND
2019-02-05592395ND