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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Roswell Municipal Water System

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

 

36

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND130ND
2015ND40ND
2016ND40ND
2017ND130ND
2018ND10ND
2019ND10ND

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
2014-02-121402577-001AND
2014-02-121402572-001AND
2014-02-121402578-001AND
2014-02-121402573-001AND
2014-02-121402579-001AND
2014-02-121402576-001AND
2014-03-051403368-001AND
2014-03-051403365-001AND
2014-03-051403364-001AND
2014-03-051403366-001AND
2014-03-051403367-001AND
2014-03-051403329-001AND
2014-08-131408808-001AND
2015-07-081507521-001AND
2015-07-081507518-001AND
2015-08-061508472-001AND
2015-08-061508455-001AND
2016-07-131607776-001AND
2016-07-131607787-001AND
2016-07-131607784-001AND
2016-07-131607788-001AND
2017-07-112017020122ND
2017-07-112017020119ND
2017-07-112017020121ND
2017-07-112017020120ND
2017-08-082017023137ND
2017-08-082017023134ND
2017-08-082017023135ND
2017-08-082017023136ND
2017-10-102017029394ND
2017-10-102017029393ND
2017-10-102017029395ND
2017-10-102017029396ND
2017-10-102017029392ND
2018-07-232018020697ND
2019-07-082019018652ND