Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

1,1,1-Trichloroethane

Symonds Water Association

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
2012ND40ND
2013ND40ND
2014ND10ND
2015ND10ND
2016ND10ND
2017ND10ND

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
2012-01-17120118-005VOND
2012-04-09120410-031VOND
2012-08-15120816-009VOND
2012-10-08121009-011VOND
2013-01-23130124-011VOND
2013-04-08130409-011VOND
2013-07-09130710-010VOND
2013-10-15131017-002VOND
2014-06-02140603-012VOND
2015-06-18150619-002VOND
2016-12-19161220-047VOND
2017-06-21170622-012VOND