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EWG's Tap Water Database — 2019 UPDATE

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1,1,1-Trichloroethane

City of Surprise - Mountain Vista

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.

 

89

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND160ND
2013ND160ND
2014ND160ND
2015ND120ND
2016ND150ND
2017ND140ND

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
2012-01-262012012-04VND
2012-01-262012012-03VND
2012-01-262012012-02VND
2012-01-262012012-01VND
2012-04-252042001-01VND
2012-04-252042000-01VND
2012-04-252041999-01VND
2012-04-252041994-01VND
2012-08-152081291-01VND
2012-08-152081287-01VND
2012-08-162081359-01VND
2012-09-042090143-01VND
2012-11-142111028-01VND
2012-11-142111027-01VND
2012-11-142111026-01VND
2012-11-142111024-01VND
2013-02-073020624-04ND
2013-02-073020624-03ND
2013-02-073020624-02ND
2013-02-073020624-01ND
2013-04-243041987-01VND
2013-04-243041985-01VND
2013-04-243041986-01VND
2013-04-243041989-01VND
2013-07-163071369-01VND
2013-07-163071367-01ND
2013-07-163071366-01ND
2013-07-163071362-01ND
2013-10-173101633-01VND
2013-10-173101632-01VND
2013-10-173101631-01VND
2013-10-173101630-01VND
2014-01-224011817-03ND
2014-01-224011817-01ND
2014-01-224011817-02ND
2014-01-224011817-04ND
2014-04-224041931-01VND
2014-04-224041930-01VND
2014-04-224041929-01VND
2014-04-224041927-01VND
2014-07-304072667-01VND
2014-07-304072665-01VND
2014-07-304072658-01VND
2014-07-304072656-01VND
2014-10-294102492-01ND
2014-10-294102491-01ND
2014-10-294102490-01ND
2014-10-294102474-01ND
2015-01-215011694-04VND
2015-01-215011694-01VND
2015-04-205041746-01VND
2015-04-205041743-01VND
2015-04-205041742-01VND
2015-04-205041741-01VND
2015-07-285072565-01VND
2015-07-285072564-01VND
2015-07-295072682-01ND
2015-07-295072676-01VND
2015-10-125101379-01VND
2015-10-125101369-01VOCND
2016-01-256012035-04VND
2016-01-256012035-03VND
2016-01-256012035-02VND
2016-01-256012035-01VND
2016-04-266042223-01VND
2016-04-266042222-01VND
2016-04-266042226-01VND
2016-04-266042227-01VND
2016-07-266072329-01VND
2016-07-266072325-01VND
2016-07-266072323-01VND
2016-07-266072321-01VND
2016-10-246102137-01VND
2016-10-246102135-01VOCND
2016-10-246102131-01ND
2017-01-307012591-04VND
2017-01-307012591-01VND
2017-01-307012591-02VND
2017-01-307012591-03VND
2017-04-207041996-01VOCND
2017-04-207041995-01VOCND
2017-04-207041987-01VOCND
2017-07-197071806-01ND
2017-07-197071804-01ND
2017-07-197071802-01ND
2017-10-117101207-02ND
2017-10-117101207-03ND
2017-10-117101207-04ND
2017-10-117101207-01ND