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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

City of Taneytown

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.

MORE ABOUT THIS CONTAMINANT

 

43

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND50ND
2015ND50ND
2016ND60ND
2017ND20ND
2018ND130ND
2019ND120ND

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
2014-01-130060012_02_COT01ND
2014-02-120060012_03_99467ND
2014-02-120060012_03_99467ND
2014-07-110060012_02_00012ND
2014-07-110060012_05_00012ND
2015-02-180060012_03_20554ND
2015-02-180060012_03_20554ND
2015-09-23E16001274006ND
2015-09-23E160012740011ND
2015-09-23E160012740041ND
2016-02-222125662ND
2016-02-222125661001ND
2016-08-31E17000888006ND
2016-08-31E17000888001ND
2016-08-31E17000888008ND
2016-08-31E17000888004ND
2017-09-28E18001312004ND
2017-09-28E18001312001ND
2018-03-052300211001ND
2018-03-13E18003311004ND
2018-06-20E18004567001ND
2018-06-262322947001ND
2018-07-102325449002ND
2018-07-102325449001ND
2018-08-16E19000551004ND
2018-08-16E19000551008ND
2018-08-16E19000551006ND
2018-08-16E19000551001ND
2018-08-202333891001ND
2018-10-24E19001379001ND
2018-11-062349403001ND
2019-03-193022708001ND
2019-06-033037434001ND
2019-06-13E19004289004ND
2019-07-153045712001ND
2019-07-153045714001ND
2019-07-25E20000354001ND
2019-07-25E20000354004ND
2019-07-25E20000354008ND
2019-07-25E20000354006ND
2019-07-25E20000354010ND
2019-07-25E20000354012ND
2019-11-053068008001ND