o-Dichlorobenzene
Horsham Water&sewer 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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 23 | 0 | ND |
2015 | ND | 24 | 0 | ND |
2016 | ND | 22 | 0 | ND |
2017 | ND | 16 | 0 | ND |
2018 | ND | 8 | 0 | ND |
2019 | ND | 13 | 0 | ND |
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 |
---|---|---|
2014-01-09 | AE19948 | ND |
2014-01-09 | AE19956 | ND |
2014-01-09 | AE19959 | ND |
2014-01-24 | AE21287 | ND |
2014-02-19 | AE24091 | ND |
2014-02-19 | AE24093 | ND |
2014-02-19 | AE24094 | ND |
2014-02-19 | AE24099 | ND |
2014-02-19 | AE24100 | ND |
2014-02-20 | AE24092 | ND |
2014-04-16 | AE29642 | ND |
2014-04-16 | AE29643 | ND |
2014-04-16 | AE29635 | ND |
2014-04-16 | AE29638 | ND |
2014-04-16 | AE29639 | ND |
2014-07-23 | AE41288 | ND |
2014-07-23 | AE41289 | ND |
2014-08-13 | AE43999 | ND |
2014-08-13 | AE44001 | ND |
2014-08-13 | AE44009 | ND |
2014-10-08 | AE51808 | ND |
2014-10-09 | AE51797 | ND |
2014-10-09 | AE51805 | ND |
2015-01-16 | 12286570 | ND |
2015-01-16 | 12286597 | ND |
2015-01-16 | 12286621 | ND |
2015-03-04 | 12514931 | ND |
2015-03-04 | 12514952 | ND |
2015-03-04 | 12514973 | ND |
2015-03-04 | 12514994 | ND |
2015-03-04 | 12515015 | ND |
2015-03-04 | 12515036 | ND |
2015-03-04 | 12515057 | ND |
2015-03-04 | 12515078 | ND |
2015-03-04 | 12515099 | ND |
2015-04-16 | 12632983 | ND |
2015-04-16 | 12633025 | ND |
2015-04-16 | 12633046 | ND |
2015-04-23 | 12633004 | ND |
2015-07-15 | 13012135 | ND |
2015-07-15 | 13012177 | ND |
2015-07-17 | 13012114 | ND |
2015-07-17 | 13012156 | ND |
2015-10-13 | 13388708 | ND |
2015-10-14 | 13388645 | ND |
2015-10-14 | 13388666 | ND |
2015-10-14 | 13388687 | ND |
2016-01-12 | 13752670 | ND |
2016-01-12 | 13752691 | ND |
2016-01-12 | 13752712 | ND |
2016-02-16 | 13869792 | ND |
2016-03-16 | 13985436 | ND |
2016-03-16 | 13985457 | ND |
2016-03-16 | 13985514 | ND |
2016-03-16 | 13985520 | ND |
2016-03-16 | 13985541 | ND |
2016-03-16 | 13985562 | ND |
2016-03-17 | 13985415 | ND |
2016-03-17 | 13985478 | ND |
2016-04-26 | 14102739 | ND |
2016-05-17 | 14250253 | ND |
2016-05-17 | 14250274 | ND |
2016-05-17 | 14250295 | ND |
2016-07-19 | 14569331 | ND |
2016-07-19 | 14569352 | ND |
2016-07-19 | 14569373 | ND |
2016-10-26 | 15075513 | ND |
2016-10-26 | 15075534 | ND |
2016-10-26 | 15075555 | ND |
2017-01-05 | 15517116 | ND |
2017-01-05 | 15517074 | ND |
2017-01-25 | 15517095 | ND |
2017-02-14 | 15655263 | ND |
2017-02-14 | 15655284 | ND |
2017-02-14 | 15655305 | ND |
2017-02-14 | 15655242 | ND |
2017-03-30 | 15795464 | ND |
2017-04-05 | 15936813 | ND |
2017-04-05 | 15936834 | ND |
2017-04-05 | 15936855 | ND |
2017-04-18 | 15936792 | ND |
2017-08-09 | 16565740 | ND |
2017-08-16 | 16565698 | ND |
2017-08-16 | 16565719 | ND |
2017-10-10 | 16880009 | ND |
2018-01-30 | AF74814 | ND |
2018-01-30 | AF74813 | ND |
2018-02-13 | AF75932 | ND |
2018-03-23 | AF79016 | ND |
2018-06-22 | AF86999 | ND |
2018-08-30 | AF94269 | ND |
2018-10-03 | AF96985 | ND |
2018-12-27 | AG04620 | ND |
2019-02-11 | AG07771 | ND |
2019-02-11 | AG07772 | ND |
2019-02-11 | AG07773 | ND |
2019-02-11 | AG07775 | ND |
2019-02-27 | AG09179 | ND |
2019-04-11 | AG13046 | ND |
2019-04-11 | AG13047 | ND |
2019-05-09 | AG16016 | ND |
2019-05-09 | AG16019 | ND |
2019-05-23 | AG16891 | ND |
2019-08-21 | AG28299 | ND |
2019-09-18 | AG31924 | ND |
2019-09-18 | AG31925 | ND |