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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Salt Lake City 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

 

124

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
2014ND160ND
2015ND240ND
2016ND290ND
2017ND340ND
2018N/A00N/A
2019ND210ND

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
2014-01-10ND
2014-05-30ND
2014-05-30ND
2014-06-03ND
2014-06-06ND
2014-06-11ND
2014-06-25ND
2014-06-25ND
2014-07-01ND
2014-07-01ND
2014-07-02ND
2014-07-09ND
2014-07-09ND
2014-07-09ND
2014-07-09ND
2014-07-11ND
2015-01-23ND
2015-01-30ND
2015-01-30ND
2015-02-27ND
2015-05-08ND
2015-05-15ND
2015-06-19ND
2015-06-19ND
2015-06-19ND
2015-06-19ND
2015-06-29ND
2015-06-30ND
2015-06-30ND
2015-06-30ND
2015-07-07ND
2015-07-10ND
2015-07-10ND
2015-07-10ND
2015-07-10ND
2015-08-07ND
2015-09-04ND
2015-09-18ND
2015-09-29ND
2015-09-29ND
2016-01-08ND
2016-01-08ND
2016-01-15ND
2016-02-12ND
2016-02-26ND
2016-03-25ND
2016-05-18ND
2016-05-18ND
2016-05-18ND
2016-05-19ND
2016-05-19ND
2016-06-03ND
2016-06-03ND
2016-06-10ND
2016-06-10ND
2016-06-10ND
2016-06-24ND
2016-06-24ND
2016-06-24ND
2016-06-28ND
2016-06-28ND
2016-07-01ND
2016-07-08ND
2016-07-08ND
2016-07-13ND
2016-07-29ND
2016-07-29ND
2016-07-29ND
2016-08-05ND
2017-01-13ND
2017-01-16ND
2017-01-16ND
2017-01-16ND
2017-03-03ND
2017-03-06ND
2017-03-24ND
2017-03-27ND
2017-06-09ND
2017-06-09ND
2017-06-09ND
2017-06-12ND
2017-06-16ND
2017-06-16ND
2017-06-19ND
2017-06-19ND
2017-06-20ND
2017-06-21ND
2017-06-23ND
2017-06-30ND
2017-06-30ND
2017-06-30ND
2017-07-03ND
2017-07-14ND
2017-07-14ND
2017-07-21ND
2017-07-21ND
2017-07-21ND
2017-07-24ND
2017-07-25ND
2017-08-08ND
2017-08-08ND
2017-08-22ND
2017-08-22ND
2019-01-11ND
2019-01-11ND
2019-02-01ND
2019-04-26ND
2019-05-03ND
2019-05-31ND
2019-06-19ND
2019-06-19ND
2019-06-21ND
2019-06-25ND
2019-06-26ND
2019-06-27ND
2019-07-03ND
2019-07-03ND
2019-07-23ND
2019-07-23ND
2019-07-23ND
2019-07-23ND
2019-08-07ND
2019-08-16ND
2019-08-16ND