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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

West Kern Water 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.

 

25

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
2014ND10ND
2015ND50ND
2016ND70ND
2017N/A00N/A
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
2014-01-085810-021-1115ND
2015-06-245810-016-0905ND
2015-06-245810-020-0820ND
2015-06-245810-018-0945ND
2015-06-245810-017-0735ND
2015-09-095810-019-0845ND
2016-07-205810-013-0920ND
2016-07-205810-014-1040ND
2016-07-205810-015-1130ND
2016-07-205810-005-0835ND
2016-07-205810-004-1000ND
2016-08-175810-002-0825ND
2016-09-075810-021-0825ND
2018-06-065806-021-0850ND
2018-06-065806-020-0945ND
2018-06-065806-016-0810ND
2018-06-065806-019-0900ND
2018-06-065806-018-1020ND
2018-08-015806-017-0835ND
2019-07-265810-004-1015ND
2019-07-265810-005-1005ND
2019-07-265810-015-0945ND
2019-07-265810-014-1030ND
2019-07-265810-013-1050ND
2019-07-265810-002-1118ND