Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

1,1,1-Trichloroethane

Piedmont Municpal Authority

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND40ND
2014ND40ND
2015ND40ND
2016ND10ND
2017N/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
2012-11-01020870.001ND
2013-01-21024125.001ND
2013-04-15027179.001ND
2013-07-16031825.001ND
2013-10-10035418.001ND
2014-01-13038693.001ND
2014-06-16042210.001ND
2014-07-02045608.001ND
2014-10-08049098.001ND
2015-01-06052216.001ND
2015-06-01054864.001ND
2015-07-13059245.001ND
2015-10-06063868.001ND
2016-02-016B01046-01ND