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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

City of Phoenix

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

 

97

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
2014ND140ND
2015ND30ND
2016ND20ND
2017ND240ND
2018ND270ND
2019ND270ND

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
2014-01-064010287-01ND
2014-01-062013081234ND
2014-01-082013081395ND
2014-01-152014001541ND
2014-01-152014001126ND
2014-01-162014001412ND
2014-01-162014001140ND
2014-01-212014003201ND
2014-01-212014003186ND
2014-01-232014003220ND
2014-02-182014009513ND
2014-02-182014009413ND
2014-02-262014009696ND
2014-04-072014020061ND
2015-01-072014084197ND
2015-01-212015001870ND
2015-01-292015006468ND
2016-01-122016001462ND
2016-01-132016001686ND
2017-01-042016086858ND
2017-01-042016086879ND
2017-01-042016086891ND
2017-01-04201701040662VND
2017-01-042016087234ND
2017-01-052016087246ND
2017-01-102017001707ND
2017-01-102017001691ND
2017-01-112017001866ND
2017-01-112017001852ND
2017-01-172017002400ND
2017-01-182017002446ND
2017-01-182017002433ND
2017-01-252017004361ND
2017-01-252017004347ND
2017-02-012017006547ND
2017-02-082017008750ND
2017-02-222017012582ND
2017-03-222017020011ND
2017-04-122017028332ND
2017-04-272017031739VOCND
2017-04-272017031726VOCND
2017-07-19201707250776VND
2017-10-102017077918ND
2018-01-02201801040403VND
2018-01-02201801040400VND
2018-01-03201801040405VND
2018-01-03201801030337VND
2018-01-04201801040407VND
2018-01-04201801040408VND
2018-01-08201801100473VND
2018-01-08201801100471VND
2018-01-09201801100475VND
2018-01-102018001274ND
2018-01-102018001266ND
2018-01-112018001314ND
2018-01-162018002916ND
2018-01-162018002910ND
2018-01-182018002983ND
2018-01-182018002989ND
2018-01-182018004208ND
2018-01-242018003831ND
2018-01-242018003825ND
2018-01-252018005657ND
2018-04-032018021545ND
2018-04-262018025995ND
2018-05-092018031007ND
2018-07-192018048399ND
2018-07-262018050957ND
2018-10-022018067812ND
2018-10-252018073815ND
2019-01-022018089146ND
2019-01-022018090025ND
2019-01-02201901020376VND
2019-01-032018089649ND
2019-01-032018089606ND
2019-01-032018089395ND
2019-01-032018089394ND
2019-01-082019000561ND
2019-01-082019000555ND
2019-01-092019000575ND
2019-01-092019000567ND
2019-01-102019000853ND
2019-01-152019002348ND
2019-01-152019002353ND
2019-01-162019002383ND
2019-01-162019002369ND
2019-01-172019002091ND
2019-01-172019002085ND
2019-01-232019004515ND
2019-01-232019004510ND
2019-01-242019004845ND
2019-01-292019005826ND
2019-02-072019006450ND
2019-04-242019029611ND
2019-05-142019034765ND
2019-07-252019052898ND
2019-11-052019082069ND