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EWG's Tap Water Database — 2019 UPDATE

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1,1,1-Trichloroethane

City of Wichita Falls

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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND20ND
2014ND30ND
2015ND30ND
2016ND10ND
2017ND20ND

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
2012-09-121209458004ND
2012-09-121209458002ND
2013-09-25Q1308144012ND
2013-09-25Q1308144010ND
2014-08-14Q1436796018ND
2014-08-14Q1436796006ND
2014-11-12AC71850ND
2015-02-09Q1505019002ND
2015-05-11Q1517193009ND
2015-09-22Q1537019019ND
2016-08-02Q1631878001ND
2017-03-06Q1709227002ND
2017-08-07Q1733093005ND