Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

1,1,1-Trichloroethane

Epcor Water - Paradise Valley/Scottsdale

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND50ND
2013ND40ND
2014ND40ND
2015ND40ND
2016ND30ND
2017ND40ND

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
2012-01-03160971ND
2012-02-06PVB0334-06ND
2012-04-02PVD0022-03ND
2012-12-032120055-03VND
2012-12-032120055-03ND
2013-01-153030134-03VND
2013-05-063050387-03ND
2013-09-033090143-03ND
2013-12-023120121-01ND
2014-03-034030096-01ND
2014-05-054050353-08ND
2014-08-054080398-01ND
2014-11-044110285-010VND
2015-03-025030035-01VND
2015-06-015060038-01VND
2015-07-065070342-01VND
2015-11-025110136-01ND
2016-03-036030448-01ND
2016-08-176081687-01ND
2016-11-076110607-01ND
2017-02-067020450-01ND
2017-06-057060314-01VOCND
2017-09-257092210-01ND
2017-10-177101905-01ND