o-Dichlorobenzene

City of Stuart - Water Plant

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.

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215

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	6	0	ND
2015	ND	4	0	ND
2016	ND	5	0	ND
2017	0.0780 ppb	40	3	ND - 1.30 ppb
2018	0.115 ppb	48	12	ND - 0.970 ppb
2019	0.0230 ppb	112	3	ND - 0.990 ppb

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	Result
2014-01-07	ND
2014-04-04	ND
2014-07-07	ND
2014-08-15	ND
2014-11-04	ND
2014-12-16	ND
2015-01-07	ND
2015-04-01	ND
2015-09-24	ND
2015-12-24	ND
2016-01-07	ND
2016-04-11	ND
2016-06-03	ND
2016-07-26	ND
2016-10-19	ND
2017-01-17	ND
2017-04-04	ND
2017-07-27	ND
2017-08-23	ND
2017-08-23	ND
2017-08-23	ND
2017-08-23	ND
2017-08-23	ND
2017-08-23	ND
2017-08-23	ND
2017-08-23	ND
2017-09-21	ND
2017-09-27	ND
2017-09-27	ND
2017-09-27	ND
2017-09-27	ND
2017-09-27	ND
2017-09-27	ND
2017-09-27	1.10 ppb
2017-09-27	ND
2017-10-20	ND
2017-11-22	ND
2017-11-22	ND
2017-11-22	ND
2017-11-22	ND
2017-11-22	ND
2017-11-22	ND
2017-11-22	0.720 ppb
2017-11-22	ND
2017-11-22	ND
2017-11-22	ND
2017-12-06	ND
2017-12-06	ND
2017-12-06	1.30 ppb
2017-12-06	ND
2017-12-06	ND
2017-12-06	ND
2017-12-06	ND
2017-12-06	ND
2017-12-06	ND
2018-01-25	ND
2018-04-11	ND
2018-09-17	0.250 ppb
2018-09-17	0.250 ppb
2018-09-17	0.250 ppb
2018-09-17	0.250 ppb
2018-09-17	0.250 ppb
2018-09-17	0.250 ppb
2018-09-17	0.250 ppb
2018-09-17	0.830 ppb
2018-09-17	0.250 ppb
2018-10-04	ND
2018-10-04	ND
2018-10-04	ND
2018-10-04	ND
2018-10-04	ND
2018-10-04	ND
2018-10-04	ND
2018-10-04	ND
2018-10-04	ND
2018-10-04	ND
2018-10-04	ND
2018-10-04	ND
2018-10-04	ND
2018-10-04	0.930 ppb
2018-10-04	ND
2018-10-04	ND
2018-10-04	ND
2018-10-24	ND
2018-10-24	ND
2018-11-20	ND
2018-11-20	ND
2018-11-20	ND
2018-11-20	0.800 ppb
2018-11-20	ND
2018-11-20	ND
2018-11-20	ND
2018-11-20	ND
2018-11-20	ND
2018-12-05	ND
2018-12-05	ND
2018-12-05	ND
2018-12-05	ND
2018-12-05	ND
2018-12-05	0.970 ppb
2018-12-05	ND
2018-12-05	ND
2018-12-05	ND
2019-01-25	ND
2019-02-15	ND
2019-02-15	ND
2019-02-15	ND
2019-02-15	ND
2019-02-15	ND
2019-02-15	ND
2019-02-15	ND
2019-02-15	ND
2019-03-13	ND
2019-03-13	ND
2019-03-13	ND
2019-03-13	ND
2019-03-13	0.990 ppb
2019-03-13	ND
2019-03-13	ND
2019-03-13	ND
2019-03-21	ND
2019-04-25	ND
2019-04-25	ND
2019-04-25	ND
2019-04-25	ND
2019-04-25	ND
2019-04-25	ND
2019-04-25	ND
2019-04-25	ND
2019-04-25	ND
2019-04-25	ND
2019-04-25	ND
2019-04-25	ND
2019-04-25	ND
2019-04-25	0.840 ppb
2019-04-25	ND
2019-04-25	ND
2019-04-26	ND
2019-04-26	ND
2019-05-20	ND
2019-05-20	ND
2019-05-20	ND
2019-05-20	ND
2019-05-20	ND
2019-05-20	ND
2019-05-20	ND
2019-05-20	ND
2019-05-20	ND
2019-05-20	ND
2019-06-18	ND
2019-06-18	ND
2019-07-24	ND
2019-07-24	ND
2019-07-24	ND
2019-07-24	ND
2019-07-24	ND
2019-07-24	ND
2019-07-24	ND
2019-07-24	ND
2019-07-24	ND
2019-07-24	ND
2019-07-24	ND
2019-07-24	ND
2019-07-24	ND
2019-07-24	ND
2019-07-24	0.750 ppb
2019-07-24	ND
2019-07-24	ND
2019-09-17	ND
2019-09-17	ND
2019-09-17	ND
2019-09-17	ND
2019-09-17	ND
2019-09-17	ND
2019-09-17	ND
2019-09-17	ND
2019-09-17	ND
2019-09-17	ND
2019-10-21	ND
2019-10-21	ND
2019-10-21	ND
2019-10-21	ND
2019-10-21	ND
2019-10-21	ND
2019-10-21	ND
2019-10-21	ND
2019-10-21	ND
2019-10-21	ND
2019-10-21	ND
2019-10-21	ND
2019-10-21	ND
2019-10-21	ND
2019-10-21	ND
2019-10-21	ND
2019-10-21	ND
2019-11-07	ND
2019-11-18	ND
2019-11-18	ND
2019-11-18	ND
2019-11-18	ND
2019-11-18	ND
2019-11-18	ND
2019-11-18	ND
2019-11-18	ND
2019-11-18	ND
2019-11-18	ND
2019-12-17	ND
2019-12-17	ND
2019-12-17	ND
2019-12-17	ND
2019-12-17	ND
2019-12-17	ND
2019-12-17	ND
2019-12-17	ND
2019-12-17	ND