o-Dichlorobenzene
City of Sugar Land
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 3 | 0 | ND |
2015 | ND | 7 | 0 | ND |
2016 | ND | 8 | 0 | ND |
2017 | ND | 6 | 0 | ND |
2018 | ND | 7 | 0 | ND |
2019 | ND | 9 | 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 |
---|---|---|
2014-02-11 | AC42218 | ND |
2014-04-29 | AC52055 | ND |
2014-07-23 | AC60702 | ND |
2015-01-22 | AC77367 | ND |
2015-04-01 | AC86976 | ND |
2015-04-01 | AC86982 | ND |
2015-04-01 | AC86978 | ND |
2015-04-01 | AC86980 | ND |
2015-04-01 | AC86974 | ND |
2015-04-01 | AC86970 | ND |
2016-02-02 | AD21460 | ND |
2016-02-02 | AD21456 | ND |
2016-02-02 | AD21458 | ND |
2016-02-02 | AD21464 | ND |
2016-02-02 | AD21462 | ND |
2016-02-02 | AD21466 | ND |
2016-09-01 | AD47688 | ND |
2016-10-05 | AD52573 | ND |
2017-01-04 | AD62987 | ND |
2017-03-22 | AD76321 | ND |
2017-03-22 | AD76341 | ND |
2017-03-22 | AD76323 | ND |
2017-03-22 | AD76345 | ND |
2017-04-03 | AD78053 | ND |
2018-01-10 | AE08619 | ND |
2018-01-10 | AE08617 | ND |
2018-01-10 | AE08621 | ND |
2018-06-08 | AE29244 | ND |
2018-06-08 | AE29242 | ND |
2018-06-08 | AE29254 | ND |
2018-12-10 | AE48388 | ND |
2019-01-17 | AE50518 | ND |
2019-01-17 | AE50520 | ND |
2019-01-17 | AE50522 | ND |
2019-03-08 | AE57835 | ND |
2019-03-08 | AE57831 | ND |
2019-03-08 | AE57815 | ND |
2019-03-08 | AE57813 | ND |
2019-04-08 | AE61436 | ND |
2019-07-08 | AE73446 | ND |