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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Nas Whiting Field

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

 

166

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND120ND
2015ND340ND
2016ND300ND
2017ND220ND
2018ND360ND
2019ND320ND

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
2014-02-06ND
2014-02-06ND
2014-02-06ND
2014-09-09ND
2014-09-09ND
2014-09-09ND
2014-11-11ND
2014-11-11ND
2014-11-11ND
2014-12-04ND
2014-12-04ND
2014-12-04ND
2015-01-06ND
2015-01-06ND
2015-01-06ND
2015-02-10ND
2015-02-10ND
2015-02-10ND
2015-03-03ND
2015-03-03ND
2015-03-04ND
2015-04-02ND
2015-04-02ND
2015-04-02ND
2015-05-12ND
2015-05-12ND
2015-05-12ND
2015-06-10ND
2015-06-10ND
2015-06-10ND
2015-07-01ND
2015-07-01ND
2015-07-01ND
2015-07-09ND
2015-07-13ND
2015-07-15ND
2015-08-11ND
2015-08-11ND
2015-09-03ND
2015-09-03ND
2015-10-07ND
2015-10-07ND
2015-11-05ND
2015-11-05ND
2015-12-15ND
2015-12-15ND
2016-01-07ND
2016-01-07ND
2016-02-11ND
2016-02-11ND
2016-03-09ND
2016-03-09ND
2016-04-05ND
2016-04-05ND
2016-05-16ND
2016-05-16ND
2016-06-09ND
2016-06-09ND
2016-07-14ND
2016-07-14ND
2016-07-15ND
2016-08-08ND
2016-08-08ND
2016-08-08ND
2016-09-15ND
2016-09-15ND
2016-09-15ND
2016-10-10ND
2016-10-10ND
2016-10-10ND
2016-11-14ND
2016-11-14ND
2016-11-14ND
2016-12-15ND
2016-12-15ND
2016-12-15ND
2017-01-16ND
2017-01-16ND
2017-01-16ND
2017-02-14ND
2017-02-14ND
2017-02-14ND
2017-03-15ND
2017-03-15ND
2017-04-04ND
2017-04-04ND
2017-05-09ND
2017-05-09ND
2017-06-14ND
2017-06-14ND
2017-08-08ND
2017-08-08ND
2017-10-12ND
2017-10-12ND
2017-10-12ND
2017-12-14ND
2017-12-14ND
2017-12-14ND
2018-01-15ND
2018-01-15ND
2018-01-15ND
2018-02-06ND
2018-02-06ND
2018-02-06ND
2018-03-15ND
2018-03-15ND
2018-03-15ND
2018-04-11ND
2018-04-11ND
2018-04-11ND
2018-05-08ND
2018-05-08ND
2018-05-08ND
2018-06-18ND
2018-06-18ND
2018-06-18ND
2018-07-12ND
2018-07-12ND
2018-07-12ND
2018-08-08ND
2018-08-08ND
2018-08-08ND
2018-09-12ND
2018-09-12ND
2018-09-12ND
2018-10-18ND
2018-10-18ND
2018-10-18ND
2018-11-15ND
2018-11-15ND
2018-11-30ND
2018-12-12ND
2018-12-12ND
2018-12-12ND
2019-01-16ND
2019-01-16ND
2019-01-16ND
2019-02-13ND
2019-02-13ND
2019-02-13ND
2019-03-07ND
2019-03-07ND
2019-03-07ND
2019-04-17ND
2019-04-17ND
2019-05-09ND
2019-05-09ND
2019-06-12ND
2019-06-12ND
2019-07-17ND
2019-07-17ND
2019-08-14ND
2019-08-14ND
2019-08-14ND
2019-09-12ND
2019-09-12ND
2019-09-12ND
2019-10-10ND
2019-10-16ND
2019-10-16ND
2019-11-06ND
2019-11-06ND
2019-11-06ND
2019-12-05ND
2019-12-05ND
2019-12-05ND