Know Your Environment. Protect Your Health.

o-Dichlorobenzene

Elk River

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.

 

25

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND100ND
2019ND30ND
2020ND60ND
2021ND30ND
2022N/A00N/A
2023ND30ND

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

Date Lab ID Result
2018-01-2318A0771-01ND
2018-03-1318C0478-01ND
2018-03-1318C0479-01ND
2018-03-1318C0479-02ND
2018-03-1318C0479-03ND
2018-05-0818E0607-01ND
2018-07-3118G2014-01ND
2018-07-3118G2014-02ND
2018-12-0618L0232-01ND
2018-12-0618L0232-02ND
2019-01-2319A0796-01ND
2019-01-2319A0796-02ND
2019-10-3019J1749-01ND
2020-10-2720J1500-01ND
2020-10-2720J1500-02ND
2020-10-2720J1500-03ND
2020-10-2720J1504-02ND
2020-10-2720J1504-03ND
2020-10-2720J1523-01ND
2021-06-1421F0874-01ND
2021-06-1421F0875-01ND
2021-06-1421F0875-02ND
2023-10-1623J0803-01ND
2023-11-2823K1276-01ND
2023-11-2823K1276-02ND