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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Warminster Municipal Authority

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

 

55

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
20140.0306 ppb181ND - 0.550 ppb
2015ND130ND
2016ND150ND
2017ND10ND
2018ND40ND
2019ND40ND

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
2014-01-071066362002ND
2014-01-071066362001ND
2014-01-071066362017ND
2014-01-071066362016ND
2014-01-071066362015ND
2014-01-071066362014ND
2014-01-071066362013ND
2014-01-071066362012ND
2014-01-071066362011ND
2014-01-071066362010ND
2014-01-071066362009ND
2014-01-071066362007ND
2014-01-071066362006ND
2014-01-0710663620050.550 ppb
2014-01-071066362004ND
2014-01-071066362003ND
2014-01-171068194001ND
2014-01-271069260001ND
2015-01-0512160921ND
2015-01-0812273834ND
2015-01-0812273813ND
2015-01-0812273687ND
2015-01-0812273792ND
2015-01-0812273771ND
2015-01-0812273750ND
2015-01-0812273708ND
2015-01-0812273666ND
2015-01-0812273645ND
2015-01-0812273624ND
2015-01-0812273603ND
2015-01-0812273729ND
2016-01-1113740442ND
2016-01-1113740526ND
2016-01-1113740505ND
2016-01-1113740400ND
2016-01-1113740484ND
2016-01-1113740547ND
2016-01-1113740463ND
2016-01-1113740421ND
2016-01-1113740379ND
2016-01-1113740358ND
2016-01-1113740337ND
2016-01-1113740316ND
2016-01-1113740295ND
2016-01-1113740568ND
2016-03-0313857832ND
2017-03-2916865874ND
2018-01-032286581002ND
2018-05-028012263-03ND
2018-05-028012263-01ND
2018-05-028012263-02ND
2019-03-293025252001ND
2019-03-293025252003ND
2019-03-293025252005ND
2019-09-043056055001ND