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EWG's Tap Water Database — 2019 UPDATE

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1,1,1-Trichloroethane

Northampton Bucks County Municipal Authority

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.

 

94

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND120ND
2013ND120ND
2014ND230ND
2015ND150ND
2016ND110ND
2017ND210ND

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
2012-02-28L4066896-1ND
2012-03-07L4061769-1ND
2012-05-23L4168750-1ND
2012-05-23L4168751-1ND
2012-06-06L3257952-3ND
2012-06-06L3257952-1ND
2012-06-06L3257952-2ND
2012-06-06L3257952-4ND
2012-08-16L4291049-1ND
2012-08-16L4291049-2ND
2012-11-15L4392086-2ND
2012-11-15L4392086-1ND
2013-03-05L3661861-2ND
2013-03-05L3661861-1ND
2013-05-14L2391330-1ND
2013-05-14L2286687-1ND
2013-07-02L1595500-2ND
2013-07-02L1595500-4ND
2013-07-02L1595500-1ND
2013-07-02L1595500-3ND
2013-08-08L4725530-1ND
2013-08-08L4725529-1ND
2013-11-19L4836093-1ND
2013-11-19L4836092-1ND
2014-02-25L4951918-1ND
2014-02-25L4951922-1ND
2014-05-20L4690565-1ND
2014-05-20L4799412-1ND
2014-07-17L5163463-13ND
2014-07-17L5163463-1ND
2014-07-17L5163463-2ND
2014-07-17L5163463-15ND
2014-07-17L5163463-3ND
2014-07-17L5163463-14ND
2014-07-17L5163463-4ND
2014-07-17L5163463-7ND
2014-07-17L5163463-6ND
2014-07-17L5163463-5ND
2014-07-17L5163463-12ND
2014-07-17L5163463-10ND
2014-07-17L5163463-11ND
2014-07-17L5163463-9ND
2014-07-17L5163463-8ND
2014-08-15L4359849-1ND
2014-08-15L4460454-1ND
2014-12-04L5352437-1ND
2014-12-04L5352436-1ND
2015-02-1012390488ND
2015-02-1012390434ND
2015-05-1112738436ND
2015-05-1112738490ND
2015-07-0913859325ND
2015-07-0913859379ND
2015-07-0913859433ND
2015-08-1913123832ND
2015-08-1913123886ND
2015-08-2813124407ND
2015-11-2013503426ND
2015-11-2013503372ND
2015-11-2013503588ND
2015-11-2013503534ND
2015-11-2013503480ND
2016-02-2313975161ND
2016-02-2313975108ND
2016-02-2313975055ND
2016-02-2313975002ND
2016-02-2313974949ND
2016-05-2414237909ND
2016-07-2114555720ND
2016-07-2114555772ND
2016-07-2114555668ND
2016-07-2114555616ND
2016-08-3014892512ND
2017-02-2715644176ND
2017-06-0716243965ND
2017-08-0116551824ND
2017-08-0116551772ND
2017-08-0116552084ND
2017-08-0116551876ND
2017-08-0116552032ND
2017-08-0116551980ND
2017-08-0116552136ND
2017-08-0116551928ND
2017-08-1716553058ND
2017-08-1716553110ND
2017-08-1716553006ND
2017-08-1716553162ND
2017-08-1716553266ND
2017-08-1716553214ND
2017-08-2416552926ND
2017-08-2416552822ND
2017-08-2416552770ND
2017-08-2416552718ND
2017-08-2416552874ND