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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Hazy Hollow East Estates

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

 

39

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND80ND
2016ND90ND
2017ND70ND
2018ND70ND
2019ND70ND

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
2014-07-01AC58567ND
2015-01-15AC76468ND
2015-01-15AC76472ND
2015-01-15AC76478ND
2015-01-15AC76482ND
2015-01-15AC76460ND
2015-01-15AC76464ND
2015-01-15AC76470ND
2015-05-07AC91041ND
2016-03-23AD30123ND
2016-03-23AD30113ND
2016-03-23AD30111ND
2016-03-23AD30119ND
2016-03-23AD30157ND
2016-03-23AD30115ND
2016-03-23AD30117ND
2016-10-26AD54845ND
2016-12-09AD61708ND
2017-05-16AD84484ND
2017-05-16AD84474ND
2017-05-16AD84478ND
2017-05-16AD84490ND
2017-05-16AD84498ND
2017-05-16AD84482ND
2017-05-16AD84472ND
2018-04-23AE23515ND
2018-04-23AE23497ND
2018-04-23AE23501ND
2018-04-23AE23517ND
2018-04-23AE23519ND
2018-08-14AE36939ND
2018-08-14AE36935ND
2019-03-18AE58747ND
2019-03-18AE58751ND
2019-03-18AE58753ND
2019-03-18AE58731ND
2019-03-18AE58729ND
2019-03-18AE58733ND
2019-03-18AE58719ND