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EWG's Tap Water Database — 2021 UPDATE

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1,1,1-Trichloroethane

Collegeville Trappe Joint Public Works Department

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

 

168

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND280ND
2015ND280ND
2016ND280ND
2017ND280ND
2018ND280ND
2019ND280ND

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
2014-01-2020140238ND
2014-01-2020140239ND
2014-01-2020140240ND
2014-01-2020140241ND
2014-01-2020140242ND
2014-03-1720140955ND
2014-03-1720140956ND
2014-04-2120141346ND
2014-04-2120141347ND
2014-04-2120141348ND
2014-04-2120141349ND
2014-04-2120141350ND
2014-04-2120141351ND
2014-04-2120141352ND
2014-07-0714070813-001ND
2014-07-0714070813-002ND
2014-07-0714070813-003ND
2014-07-0714070813-004ND
2014-08-1320142789ND
2014-08-1320142790ND
2014-08-1320142791ND
2014-11-1714111750-01ND
2014-11-1714111750-02ND
2014-11-1714111750-03ND
2014-11-1714111750-04ND
2014-11-1714111750-05ND
2014-11-1714111750-06ND
2014-12-0114120200-01ND
2015-01-1912285458ND
2015-01-1912285479ND
2015-01-1912285500ND
2015-01-1912285521ND
2015-01-1912285542ND
2015-01-1912285563ND
2015-01-1912285584ND
2015-04-2012631596ND
2015-04-2012631617ND
2015-04-2012631638ND
2015-04-2012631659ND
2015-04-2012631680ND
2015-04-2012631701ND
2015-04-2012631722ND
2015-07-0613011209ND
2015-07-0613011235ND
2015-07-0613011261ND
2015-07-0613011287ND
2015-07-0613011313ND
2015-07-0613011339ND
2015-07-2013011553ND
2015-10-1913387781ND
2015-10-1913387802ND
2015-10-1913387823ND
2015-10-1913387844ND
2015-10-1913387865ND
2015-10-1913387886ND
2015-10-1913387907ND
2016-01-1813751352ND
2016-01-1813751373ND
2016-01-1813751394ND
2016-01-1813751415ND
2016-01-1813751436ND
2016-01-1813751457ND
2016-02-1613869081ND
2016-04-1814101346ND
2016-04-1814101367ND
2016-04-1814101388ND
2016-04-1814101409ND
2016-04-1814101430ND
2016-04-1814101451ND
2016-04-1814101472ND
2016-07-1814568368ND
2016-07-1814568389ND
2016-07-1814568410ND
2016-07-1814568431ND
2016-07-1814568452ND
2016-07-1814568473ND
2016-07-1814568494ND
2016-10-1715074116ND
2016-10-1715074137ND
2016-10-1715074158ND
2016-10-1715074179ND
2016-10-1715074200ND
2016-10-1715074221ND
2016-10-1715074242ND
2017-02-2715653931ND
2017-02-2715653952ND
2017-02-2715653973ND
2017-02-2715653994ND
2017-02-2715654015ND
2017-03-0715793998ND
2017-03-0715794019ND
2017-04-1715935331ND
2017-04-1715935352ND
2017-04-1715935373ND
2017-04-1715935394ND
2017-04-1715935415ND
2017-04-1715935436ND
2017-04-1715935457ND
2017-07-1716411671ND
2017-07-1716411692ND
2017-07-1716411713ND
2017-07-1716411734ND
2017-07-1716411755ND
2017-07-1716411776ND
2017-07-1716411797ND
2017-10-1616878522ND
2017-10-1616878543ND
2017-10-1616878564ND
2017-10-1616878585ND
2017-10-1616878606ND
2017-10-1616878627ND
2017-10-1616878648ND
2018-01-2220180311ND
2018-01-2220180312ND
2018-01-2220180313ND
2018-01-2220180314ND
2018-01-2220180315ND
2018-01-2220180316ND
2018-01-2220180317ND
2018-04-1820181575ND
2018-04-1820181576ND
2018-04-1820181577ND
2018-04-1820181578ND
2018-04-1820181579ND
2018-04-1820181580ND
2018-04-1820181581ND
2018-07-1620182718ND
2018-07-1620182719ND
2018-07-1620182720ND
2018-07-1620182721ND
2018-07-1620182722ND
2018-07-1620182723ND
2018-07-1620182724ND
2018-10-1520183946ND
2018-10-1520183947ND
2018-10-1520183948ND
2018-10-1520183949ND
2018-10-1520183950ND
2018-10-1520183951ND
2018-10-1520183952ND
2019-01-2320190306ND
2019-01-2320190307ND
2019-01-2320190308ND
2019-01-2320190309ND
2019-01-2320190310ND
2019-01-2320190311ND
2019-01-2320190312ND
2019-04-1520191439ND
2019-04-1520191440ND
2019-04-1520191441ND
2019-04-1520191442ND
2019-04-1520191443ND
2019-04-1520191444ND
2019-04-1520191445ND
2019-07-1520192706ND
2019-07-1520192707ND
2019-07-1520192708ND
2019-07-1520192709ND
2019-07-1520192710ND
2019-07-1520192711ND
2019-07-1520192712ND
2019-10-2120194150ND
2019-10-2120194151ND
2019-10-2120194152ND
2019-10-2120194153ND
2019-10-2120194154ND
2019-10-2120194155ND
2019-10-2120194156ND