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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Indio Water 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

 

29

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
2014N/A00N/A
2015N/A00N/A
2016ND100ND
2017N/A00N/A
2018ND80ND
2019ND110ND

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
2016-08-229590-034-1005ND
2016-08-229590-033-1130ND
2016-08-229590-027-0845ND
2016-08-319590-004-0715ND
2016-08-319590-022-0810ND
2016-08-319590-020-0830ND
2016-08-319590-019-1020ND
2016-08-319590-018-0930ND
2016-08-319590-016-1050ND
2016-08-319590-011-0910ND
2018-02-159590-003-1330ND
2018-02-159590-010-1220ND
2018-02-159590-008-1245ND
2018-02-159590-023-1125ND
2018-05-319590-017-1115ND
2018-05-319590-007-1200ND
2018-08-289590-028-1035ND
2018-11-299590-021-1240ND
2019-04-169590-009-0445ND
2019-08-199590-027-1035ND
2019-08-219590-020-0615ND
2019-08-229590-033-1255ND
2019-08-269590-016-1005ND
2019-08-269590-004-0730ND
2019-08-269590-022-1709ND
2019-08-269590-018-0950ND
2019-08-279590-034-0625ND
2019-08-289590-019-0845ND
2019-08-289590-011-0730ND