Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,1,1-Trichloroethane

Lee County Utilities

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.

 

18

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
2014ND50ND
2015ND10ND
20160.200 ppb110.200 ppb
2017ND50ND
2018ND40ND
20190.0750 ppb21ND - 0.150 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 Result
2014-02-05ND
2014-03-03ND
2014-04-16ND
2014-04-16ND
2014-10-08ND
2015-10-12ND
2016-10-030.200 ppb
2017-02-01ND
2017-03-02ND
2017-04-03ND
2017-04-03ND
2017-10-05ND
2018-06-11ND
2018-07-09ND
2018-10-01ND
2018-10-16ND
2019-01-070.150 ppb
2019-10-07ND