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EWG's Tap Water Database — 2019 UPDATE

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o-Dichlorobenzene

Northampton Bucks County Municipal Authority

o-Dichlorobenzene is used as a chemical intermediate for making agricultural herbicides. It is toxic to the liver, kidneys and the nervous system, and causes cancer in animal studies.

 

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 600 ppb

The EWG Health Guideline of 600 ppb for o-dichlorobenzene 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) 600 ppb

The legal limit for o-dichlorobenzene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1970s.

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
2015-02-1012390481ND
2015-02-1012390427ND
2015-05-1112738429ND
2015-05-1112738483ND
2015-07-0913859318ND
2015-07-0913859372ND
2015-07-0913859426ND
2015-08-1913123825ND
2015-08-1913123879ND
2015-08-2813124400ND
2015-11-2013503419ND
2015-11-2013503365ND
2015-11-2013503581ND
2015-11-2013503527ND
2015-11-2013503473ND
2016-02-2313975154ND
2016-02-2313975101ND
2016-02-2313975048ND
2016-02-2313974995ND
2016-02-2313974942ND
2016-05-2414237902ND
2016-07-2114555713ND
2016-07-2114555765ND
2016-07-2114555661ND
2016-07-2114555609ND
2016-08-3014892505ND
2017-02-2715644169ND
2017-06-0716243958ND
2017-08-0116551817ND
2017-08-0116551765ND
2017-08-0116552077ND
2017-08-0116551869ND
2017-08-0116552025ND
2017-08-0116551973ND
2017-08-0116552129ND
2017-08-0116551921ND
2017-08-1716553051ND
2017-08-1716553103ND
2017-08-1716552999ND
2017-08-1716553155ND
2017-08-1716553259ND
2017-08-1716553207ND
2017-08-2416552919ND
2017-08-2416552815ND
2017-08-2416552763ND
2017-08-2416552711ND
2017-08-2416552867ND