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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Boys Ranch Town

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.

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND10ND
2016ND20ND
2017ND90ND
2018ND70ND
2019ND80ND

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
2014-02-10039494.001ND
2015-02-05052973.001ND
2016-03-30SDWA-1024553-00ND
2016-09-27SDWA-1074797-00ND
2017-03-20SDWA-1136591-00ND
2017-03-20SDWA-1136590-00ND
2017-05-09SDWA-1150974-00ND
2017-05-09SDWA-1150969-00ND
2017-09-12SDWA-1192046-00ND
2017-09-12SDWA-1192042-00ND
2017-09-12SDWA-1192037-00ND
2017-11-28SDWA-1214426-00ND
2017-11-28SDWA-1214421-00ND
2018-02-12SDWA-1237821-00ND
2018-04-11SDWA-1253546-00ND
2018-06-04SDWA-1268265-00ND
2018-08-23SDWA-1291394-00ND
2018-08-23SDWA-1291389-00ND
2018-10-15SDWA-1313813-00ND
2018-10-15SDWA-1313808-00ND
2019-02-12SDWA-1339118-00ND
2019-02-12SDWA-1339113-00ND
2019-03-19SDWA-1361395-00ND
2019-03-19SDWA-1361390-00ND
2019-07-30SDWA-1392392-00ND
2019-07-30SDWA-1392387-00ND
2019-10-23SDWA-1424992-00ND
2019-10-23SDWA-1424997-00ND