Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

1,1,1-Trichloroethane

City of Pampa

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.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND30ND
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
2014-06-25Q1423571003ND
2014-06-25Q1423571002ND
2015-05-26Q1519314008ND
2015-05-26Q1519314011ND
2015-12-01Q1547330001ND
2016-03-15Q1610754008ND
2016-03-15Q1610754006ND
2016-03-15Q1610754001ND
2017-01-31Q1704451002ND
2017-04-26Q1716946013ND
2017-04-26Q1716946011ND
2018-02-05Q1804320013ND
2018-02-05Q1804320008ND
2018-04-18Q1816136004ND
2019-02-13Q1906860003ND
2019-02-13Q1906860005ND
2019-05-15Q1925442002ND