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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Spv Water Company

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND20ND
2016ND30ND
2017ND30ND
2018ND30ND
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
2014-01-085867-002-1110ND
2014-01-085867-003-1045ND
2015-01-145867-002-1220ND
2015-01-145867-003-1155ND
2016-01-135867-003-1045ND
2016-01-205867-002-1040ND
2016-01-205867-004-1030ND
2017-01-115867-002-1055ND
2017-01-115867-003-1040ND
2017-01-115867-004-1100ND
2018-01-105867-002-1120ND
2018-01-105867-003-1040ND
2018-01-105867-004-1110ND
2019-01-095867-002-1109ND
2019-01-095867-003-1043ND
2019-01-095867-004-1105ND