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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

West Hwy 80 Ark Road WS

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
2014ND40ND
2015N/A00N/A
2016N/A00N/A
2017ND80ND
2018N/A00N/A
2019N/A00N/A

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
2014-08-04AD94924ND
2014-08-04AD94924ND
2014-08-11AD95313ND
2014-08-11AD95313ND
2017-05-0135310537001ND
2017-05-0135310537002ND
2017-05-0135310537001ND
2017-05-0135310537002ND
2017-07-2435326443005ND
2017-07-2435326443005ND
2017-08-0135327912005ND
2017-08-0135327912005ND