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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

City of Bandera

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND40ND
2016ND20ND
2017ND20ND
2018ND50ND
2019ND30ND

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
2014-05-01AC52597ND
2014-05-01AC52591ND
2015-01-14AC76215ND
2015-01-14AC76205ND
2015-01-14AC76231ND
2015-05-26AC93276ND
2016-01-21AD19277ND
2016-02-08AD22471ND
2017-06-28AD88048ND
2017-06-28AD88044ND
2018-02-15AE14143ND
2018-02-15AE14111ND
2018-05-30AE28057ND
2018-09-18AE40785ND
2018-10-31AE45056ND
2019-01-10AE49333ND
2019-01-10AE49323ND
2019-01-10AE49329ND