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EWG's Tap Water Database — 2019 UPDATE

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1,1,1-Trichloroethane

City of Corpus Christi

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
2012ND10ND
2013ND10ND
2014ND10ND
2015ND10ND
2016ND10ND
2017ND50ND

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
2012-07-101207411001ND
2013-08-09AC27466ND
2014-08-07AC62550ND
2015-08-13AD04130ND
2016-09-14AD49468ND
2017-03-21AD76053ND
2017-05-16AD84466ND
2017-07-28AD91401ND
2017-07-28AD91393ND
2017-11-14AE04787ND