1,2,4-Trichlorobenzene

City of Celina

NOTE: City of Celina purchases water from Utrwd Regional Water Treatment Plant which is required to test for 1,2,4-trichlorobenzene. Sample information shown below was taken by Utrwd Regional Water Treatment Plant.

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

MORE ABOUT THIS CONTAMINANT

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2014	ND	2	ND
2015	ND	2	ND
2016	ND	2	ND
2017	ND	1	ND
2018	ND	2	ND
2019	ND	2	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	Lab ID	Result
2014-07-22	Q1429878002	ND
2014-07-22	Q1429878004	ND
2015-09-16	Q1536495003	ND
2015-09-21	Q1536819003	ND
2016-09-01	Q1635093002	ND
2016-09-02	Q1635676002	ND
2017-09-07	Q1742147002	ND
2017-09-26	Q1746575006	ND
2018-09-13	Q1836570001	ND
2018-09-25	Q1838256005	ND
2019-09-26	Q1969362002	ND
2019-09-27	Q1970279005	ND