Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,1,1-Trichloroethane

Acton Water Supply District

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

 

103

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
2014ND190ND
2015ND160ND
2016ND180ND
2017ND170ND
2018ND150ND
2019ND180ND

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 Result
2014-02-20ND
2014-05-19ND
2014-07-16ND
2014-07-16ND
2014-07-16ND
2014-08-04ND
2014-08-04ND
2014-08-04ND
2014-08-04ND
2014-08-04ND
2014-08-04ND
2014-08-04ND
2014-08-15ND
2014-08-15ND
2014-08-15ND
2014-08-15ND
2014-08-15ND
2014-08-26ND
2014-10-20ND
2015-06-26ND
2015-08-03ND
2015-08-03ND
2015-08-03ND
2015-08-03ND
2015-08-03ND
2015-08-17ND
2015-08-17ND
2015-08-17ND
2015-08-17ND
2015-08-17ND
2015-08-17ND
2015-09-14ND
2015-09-14ND
2015-09-14ND
2015-11-30ND
2016-02-10ND
2016-06-06ND
2016-07-14ND
2016-07-25ND
2016-07-29ND
2016-07-29ND
2016-07-29ND
2016-08-08ND
2016-09-07ND
2016-09-07ND
2016-09-07ND
2016-09-07ND
2016-09-07ND
2016-09-07ND
2016-09-22ND
2016-09-22ND
2016-09-22ND
2016-11-17ND
2017-02-01ND
2017-05-03ND
2017-07-12ND
2017-07-12ND
2017-07-12ND
2017-07-27ND
2017-07-27ND
2017-08-09ND
2017-08-09ND
2017-08-09ND
2017-08-09ND
2017-08-09ND
2017-08-09ND
2017-12-11ND
2017-12-11ND
2017-12-11ND
2017-12-11ND
2018-03-14ND
2018-06-11ND
2018-07-26ND
2018-07-26ND
2018-07-26ND
2018-09-05ND
2018-09-05ND
2018-09-05ND
2018-09-19ND
2018-09-19ND
2018-09-19ND
2018-09-19ND
2018-09-19ND
2018-09-19ND
2018-12-10ND
2019-03-26ND
2019-05-14ND
2019-07-24ND
2019-07-24ND
2019-07-25ND
2019-07-25ND
2019-07-25ND
2019-07-25ND
2019-07-31ND
2019-07-31ND
2019-09-10ND
2019-09-16ND
2019-09-16ND
2019-09-16ND
2019-09-16ND
2019-09-16ND
2019-09-16ND
2019-12-11ND