o-Dichlorobenzene
City of Scottsdale
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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | ND | 16 | 0 | ND |
| 2015 | ND | 10 | 0 | ND |
| 2016 | ND | 10 | 0 | ND |
| 2017 | ND | 17 | 0 | ND |
| 2018 | ND | 17 | 0 | ND |
| 2019 | ND | 19 | 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 |
|---|---|---|
| 2014-02-05 | AB45662 | ND |
| 2014-02-05 | AB45661 | ND |
| 2014-02-05 | AB45660 | ND |
| 2014-02-05 | AB45659 | ND |
| 2014-02-12 | AB45865 | ND |
| 2014-02-13 | AB45913 | ND |
| 2014-03-18 | 4031529-01V | ND |
| 2014-03-19 | 4031630-01V | ND |
| 2014-06-03 | AB48513V | ND |
| 2014-06-12 | AB48763V | ND |
| 2014-08-05 | AB49916 | ND |
| 2014-08-06 | 4080551-01V | ND |
| 2014-08-07 | AB49988 | ND |
| 2014-08-27 | AB50551 | ND |
| 2014-11-10 | AB52409V | ND |
| 2014-11-18 | AB52684V | ND |
| 2015-01-26 | 5012122-01V | ND |
| 2015-03-04 | AB55258V | ND |
| 2015-03-04 | AB55247 | ND |
| 2015-05-19 | AB57090V | ND |
| 2015-06-15 | AB57584V | ND |
| 2015-07-22 | AB58586 | ND |
| 2015-07-28 | AB58723 | ND |
| 2015-09-23 | AB60333 | ND |
| 2015-11-11 | AB61680 | ND |
| 2015-12-07 | AB62200 | ND |
| 2016-01-12 | AB62917 | ND |
| 2016-03-07 | AB64247 | ND |
| 2016-03-07 | AB64246 | ND |
| 2016-06-09 | 550-65006-1 | ND |
| 2016-06-09 | 550-65005-1 | ND |
| 2016-08-22 | 550-68726-1V | ND |
| 2016-08-25 | 550-68729-1V | ND |
| 2016-08-31 | AB68676V | ND |
| 2016-12-06 | AB71090 | ND |
| 2016-12-27 | 550-74974-1 | ND |
| 2017-01-23 | AB72209 | ND |
| 2017-01-31 | AB72398 | ND |
| 2017-01-31 | AB72396 | ND |
| 2017-03-13 | AB73529 | ND |
| 2017-04-11 | AB74281VOC | ND |
| 2017-04-18 | AB74456VOC | ND |
| 2017-05-03 | AB74954VOC | ND |
| 2017-05-03 | AB74952VOC | ND |
| 2017-05-11 | AB75252VOC | ND |
| 2017-05-25 | AB75560VOC | ND |
| 2017-06-29 | AB76530VOC | ND |
| 2017-06-29 | AB76529VOC | ND |
| 2017-07-10 | AB76770VOC | ND |
| 2017-07-10 | AB76769VOC | ND |
| 2017-08-09 | AB77831 | ND |
| 2017-10-10 | 550-91495-1 | ND |
| 2017-11-01 | 550-92599-1 | ND |
| 2018-01-04 | AB81857 VOC | ND |
| 2018-01-08 | AB81931 VOC | ND |
| 2018-01-31 | AB82425 VOC | ND |
| 2018-03-15 | 550-99669-1 VOC | ND |
| 2018-04-04 | 550-101241-1 VOC | ND |
| 2018-04-09 | 550-101240-1 VOC | ND |
| 2018-07-26 | 550-106958-1 VOC | ND |
| 2018-07-31 | 550-106957-1 VOC | ND |
| 2018-08-06 | AB87231 VOC | ND |
| 2018-08-06 | AB87230 VOC | ND |
| 2018-08-22 | 550-108523-1 | ND |
| 2018-09-13 | AB88206 VOC | ND |
| 2018-10-08 | AB88718 VOC | ND |
| 2018-10-16 | AB88953 VOC | ND |
| 2018-10-16 | AB88952 VOC | ND |
| 2018-10-25 | AB89225 VOC | ND |
| 2018-10-30 | AB89327 VOC | ND |
| 2019-01-08 | AB90901 VOC | ND |
| 2019-01-28 | AB91381 VOC | ND |
| 2019-02-20 | AB91936 VOC | ND |
| 2019-02-21 | AB91994 VOC | ND |
| 2019-03-11 | 550-119823-1 | ND |
| 2019-03-14 | 550-119827-1 | ND |
| 2019-03-28 | AB92855 VOC | ND |
| 2019-05-15 | AB93968 VOC | ND |
| 2019-06-06 | AB94449 VOC | ND |
| 2019-06-20 | AB94661 VOC | ND |
| 2019-06-25 | 550-124885-2 | ND |
| 2019-06-25 | 550-124885-1 | ND |
| 2019-08-19 | AB96017 VOC | ND |
| 2019-08-19 | AB96016 VOC | ND |
| 2019-08-22 | AB96146 VOC | ND |
| 2019-09-05 | AB96446 VOC | ND |
| 2019-10-29 | AB98016 VOC | ND |
| 2019-10-29 | AB98015 VOC | ND |
| 2019-11-07 | AB98318 VOC | ND |