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EWG's Tap Water Database — 2019 UPDATE

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Monochlorobenzene (chlorobenzene)

Northampton Bucks County Municipal Authority

Monochlorobenzene is used as a solvent for pesticides, a degreasing agent and an intermediate for manufacturing other chemicals. It causes liver and kidney damage in studies of laboratory animals.

 

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

EWG Health Guideline 70 ppb

The EWG Health Guideline of 70 ppb for monochlorobenzene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.

EPA Maximum Contaminant
Level (MCL) 100 ppb

The legal limit for monochlorobenzene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1960s.

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
2015-02-1012390496ND
2015-02-1012390442ND
2015-05-1112738444ND
2015-05-1112738498ND
2015-07-0913859333ND
2015-07-0913859387ND
2015-07-0913859441ND
2015-08-1913123840ND
2015-08-1913123894ND
2015-08-2813124415ND
2015-11-2013503434ND
2015-11-2013503380ND
2015-11-2013503596ND
2015-11-2013503542ND
2015-11-2013503488ND
2016-02-2313975169ND
2016-02-2313975116ND
2016-02-2313975063ND
2016-02-2313975010ND
2016-02-2313974957ND
2016-05-2414237917ND
2016-07-2114555728ND
2016-07-2114555780ND
2016-07-2114555676ND
2016-07-2114555624ND
2016-08-3014892520ND
2017-02-2715644184ND
2017-06-0716243973ND
2017-08-0116551832ND
2017-08-0116551780ND
2017-08-0116552092ND
2017-08-0116551884ND
2017-08-0116552040ND
2017-08-0116551988ND
2017-08-0116552144ND
2017-08-0116551936ND
2017-08-1716553066ND
2017-08-1716553118ND
2017-08-1716553014ND
2017-08-1716553170ND
2017-08-1716553274ND
2017-08-1716553222ND
2017-08-2416552934ND
2017-08-2416552830ND
2017-08-2416552778ND
2017-08-2416552726ND
2017-08-2416552882ND