1,2,4-Trichlorobenzene

City of Stuart - Water Plant

1,2,4-Trichlorobenzene is an industrial solvent that can harm the adrenal glands and may increase the risk of cancer.

214

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	ND	40	0	ND
2018	0.0785 ppb	47	9	ND - 0.410 ppb
2019	ND	112	0	ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 5 ppb

The EWG Health Guideline of 5 ppb for 1,2,4-trichlorobenzene 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 hormone disruption.

EPA Maximum Contaminant
Level (MCL) 70 ppb

The legal limit for 1,2,4-trichlorobenzene, established in 1992, was based on a toxicity study in laboratory animals conducted in 1981. This limit may not fully protect against hormone disruption.

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	ND
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	ND
2017-11-22	ND
2017-11-22	ND
2017-11-22	ND
2017-12-06	ND
2017-12-06	ND
2017-12-06	ND
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	0.410 ppb
2018-09-17	0.410 ppb
2018-09-17	0.410 ppb
2018-09-17	0.410 ppb
2018-09-17	0.410 ppb
2018-09-17	0.410 ppb
2018-09-17	0.410 ppb
2018-09-17	0.410 ppb
2018-09-17	0.410 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	ND
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	ND
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	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	ND
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	ND
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	ND
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