Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,1,1-Trichloroethane

Hermanville Water Association

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

 

33

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND90ND
2015ND30ND
2016ND30ND
2017ND30ND
2018ND120ND
2019ND30ND

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
2014-01-21140122-013VOND
2014-01-21140122-012VOND
2014-01-21140122-011VOND
2014-04-14140415-016VOND
2014-04-14140415-015VOND
2014-04-14140415-014VOND
2014-07-21140722-003VOND
2014-07-21140722-002VOND
2014-07-21140722-004VOND
2015-06-23150624-006VOND
2015-06-23150624-005VOND
2015-06-23150624-004VOND
2016-12-20161221-021VOND
2016-12-20161221-020VOND
2016-12-20161221-019VOND
2017-06-26170627-012VOND
2017-06-26170627-013VOND
2017-06-26170627-011VOND
2018-05-02180503-009VOND
2018-05-02180503-008VOND
2018-05-02180503-007VOND
2018-08-15180816-006VOND
2018-08-15180816-005VOND
2018-08-15180816-004VOND
2018-09-20180921-005VOND
2018-09-20180921-004VOND
2018-09-20180921-003VOND
2018-10-23181024-009VOND
2018-10-23181024-008VOND
2018-10-23181024-007VOND
2019-04-29190430-006VOND
2019-04-29190430-008VOND
2019-04-29190430-007VOND