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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Valencia Water Company Town Division

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015N/A00N/A
2016ND10ND
2017ND40ND
2018ND10ND
2019ND10ND

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
2014-01-21550-18092-3ND
2014-01-21550-18092-4VND
2014-03-11550-21000-1VND
2014-05-06550-24091-2ND
2014-07-08550-27524-1ND
2016-12-01541229-001ND
2017-06-21555731-001ND
2017-06-21555731-002ND
2017-06-21555731-003ND
2017-06-21555731-004ND
2018-01-09572884-001ND
2019-10-3119J3517-01ND