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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

East Bay Municipal Utility 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.

 

44

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
2014ND60ND
2015ND80ND
2016ND70ND
2017ND110ND
2018ND60ND
2019ND60ND

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
2014-04-088201-011-0820ND
2014-04-238201-005-0720ND
2014-06-168201-009-0915ND
2014-06-178201-012-1030ND
2014-06-178201-004-0900ND
2014-09-108201-005-0905ND
2015-07-098201-005-0809ND
2015-07-158201-009-0750ND
2015-07-218201-011-0835ND
2015-07-218201-012-0850ND
2015-07-288201-004-1035ND
2015-07-308201-005-1212ND
2015-09-168201-012-0930ND
2015-12-168201-013-0955ND
2016-02-168201-013-0910ND
2016-06-138201-005-0815ND
2016-06-298201-004-0845ND
2016-06-308201-012-1155ND
2016-07-058201-005-0911ND
2016-07-128201-009-0900ND
2016-10-258201-011-0850ND
2017-02-018201-004-0830ND
2017-02-018201-012-0725ND
2017-02-228201-009-0850ND
2017-02-228201-013-0910ND
2017-02-228201-011-0855ND
2017-06-278201-012-0910ND
2017-06-278201-004-0810ND
2017-06-288201-005-0903ND
2017-07-208201-012-0802ND
2017-07-218201-012-0925ND
2017-07-268201-005-0913ND
2018-02-208201-009-0835ND
2018-07-248201-005-0905ND
2018-07-258201-012-0805ND
2018-07-268201-004-0755ND
2018-07-318201-005-1400ND
2018-10-168201-011-0818ND
2019-01-038201-011-0915ND
2019-06-188201-009-0940ND
2019-06-198201-012-0745ND
2019-06-198201-004-0835ND
2019-06-198201-005-1150ND
2019-07-168201-005-0820ND