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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Telford Borough Authority

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

 

86

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND140ND
2015ND140ND
2016ND160ND
2017ND140ND
2018ND140ND
2019ND140ND

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
2014-02-1120140538ND
2014-02-1120140540ND
2014-02-1120140539ND
2014-04-0220141150ND
2014-04-0220141147ND
2014-04-0220141149ND
2014-04-0220141148ND
2014-06-0320141878ND
2014-07-1620142431ND
2014-07-1620142433ND
2014-07-1620142432ND
2014-11-0514110360-003ND
2014-11-0514110360-002ND
2014-11-0514110360-001ND
2015-02-1112403521ND
2015-02-1112403563ND
2015-02-1112403542ND
2015-04-1412635042ND
2015-04-1412634958ND
2015-04-1412635021ND
2015-04-1412634979ND
2015-04-1412635000ND
2015-07-1413014691ND
2015-07-1413014693ND
2015-07-1413014692ND
2015-10-0713390819ND
2015-10-0713390798ND
2015-10-0713390777ND
2016-01-1813754467ND
2016-03-0213871957ND
2016-03-0213871936ND
2016-04-1314104832ND
2016-04-1314104916ND
2016-04-1314104874ND
2016-04-1314104895ND
2016-04-1314104853ND
2016-07-1314572205ND
2016-07-1314572259ND
2016-07-1314572307ND
2016-07-1314572286ND
2016-07-1314572232ND
2016-10-1215077674ND
2016-10-1215077716ND
2016-10-1215077695ND
2017-02-1515657724ND
2017-02-1515657703ND
2017-02-1515657745ND
2017-05-0316097073ND
2017-05-0316097052ND
2017-05-0316096989ND
2017-05-0316097031ND
2017-05-0316097010ND
2017-08-0216568600ND
2017-08-0216568579ND
2017-08-0216568558ND
2017-11-0117025487ND
2017-11-0117025466ND
2017-11-0117025508ND
2018-02-1220180562ND
2018-02-1220180561ND
2018-02-1220180560ND
2018-05-0320181778ND
2018-05-0320181777ND
2018-05-0320181776ND
2018-05-0320181775ND
2018-05-0320181774ND
2018-08-0120182931ND
2018-08-0120182933ND
2018-08-0120182932ND
2018-11-278114737-01ND
2018-11-278114737-02ND
2018-11-278114737-03ND
2019-02-0620190503ND
2019-02-0620190505ND
2019-02-0620190504ND
2019-05-0120191635ND
2019-05-0120191636ND
2019-05-0120191633ND
2019-05-0120191634ND
2019-05-0120191637ND
2019-08-0720193060ND
2019-08-0720193062ND
2019-08-0720193061ND
2019-11-0620194361ND
2019-11-0620194363ND
2019-11-0620194362ND