Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,1,1-Trichloroethane

Heatherstone West S/d

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.

 

11

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
2015ND20ND
2016N/A00N/A
2017N/A00N/A
2018ND50ND
2019ND40ND

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
2015-01-14ND
2015-01-20ND
2018-01-10CA18303-01 ND
2018-01-10CA18304-01 ND
2018-04-05CB03372-01 ND
2018-08-16CB08166-01 ND
2018-10-25CB14352-01RE1 ND
2019-01-16CB18782-01 ND
2019-04-11CC04168-01 ND
2019-08-08CC10589-01 ND
2019-10-17CC15839-01 ND