Know Your Environment. Protect Your Health.

o-Dichlorobenzene

Tryon Road Special Utility District

NOTE: Tryon Road Special Utility District purchases water from Northeast Texas Municipal Water District which is required to test for o-dichlorobenzene. Sample information shown below was taken by Northeast Texas Municipal Water District.

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.

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND30ND
2021ND30ND
2022ND30ND
2023ND40ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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

NOTE: Tryon Road Special Utility District purchases water from Northeast Texas Municipal Water District which is required to test for o-dichlorobenzene. Sample information shown below was taken by Northeast Texas Municipal Water District.

Date Lab ID Result
2018-09-20Q1837729001ND
2019-08-14Q1954876001ND
2020-04-23Q2016185003ND
2020-08-18Q2032884003ND
2021-02-09Q2103854003ND
2022-03-01Q2206887005ND
2023-01-18Q2302651002ND