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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Mcconnellsburg Borough Municipal 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

 

29

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20140.875 ppb42ND - 1.90 ppb
20150.873 ppb32ND - 1.80 ppb
20161.15 ppb43ND - 1.70 ppb
20171.06 ppb106ND - 1.80 ppb
20180.700 ppb42ND - 1.70 ppb
20190.575 ppb42ND - 1.70 ppb

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
2014-08-282026074002ND
2014-08-2820260740031.90 ppb
2014-08-2820260740041.60 ppb
2014-08-282026074001ND
2015-11-0513564695ND
2015-11-05135647160.820 ppb
2015-11-05135647371.80 ppb
2016-04-21141671961.60 ppb
2016-04-2114167154ND
2016-04-21141671751.30 ppb
2016-11-08152860181.70 ppb
2017-04-04160049551.80 ppb
2017-04-18160051421.80 ppb
2017-04-18161630261.80 ppb
2017-04-18166332051.80 ppb
2017-05-03161630841.70 ppb
2017-05-03166331481.70 ppb
2017-05-1716163264ND
2017-09-2016940889ND
2017-09-2016790834ND
2017-11-0817080586ND
2018-03-28(102) HORTONND
2018-10-17(101) RESERVND
2018-10-17(104) SECRES1.10 ppb
2018-10-17(105) SECRES1.70 ppb
2019-07-17(101) RESERVND
2019-07-17(102) HORTONND
2019-07-17(104) SECRES0.600 ppb
2019-07-17(105) SECRES1.70 ppb