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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Joshua Valley Water Company

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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
2016-05-18201605190023VND
2016-05-18201605190024VND
2016-05-18201605190025VND
2016-05-18201605190026VND
2016-05-18201605190027VND
2019-11-11201911120004VND
2019-11-11201911120005VND
2019-11-11201911120006VND
2019-11-11201911120007VND
2019-11-11201911120008VND