Know Your Environment. Protect Your Health.

o-Dichlorobenzene

Big Flats Water District #2

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND60ND
2021ND60ND
2022ND30ND
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
2018-04-04R1802920-002POCSND
2018-04-04R1802920-001POCSND
2019-04-03R1902904-002POCSND
2019-04-03R1902904-001POCSND
2020-01-083080420001POCND
2020-04-103096566001POCND
2020-04-103096566002POCND
2020-04-103096566003POCND
2020-07-013112191001POCND
2020-10-073134231001POCND
2021-01-133152400001POCND
2021-04-073168913002POCND
2021-04-073168913001POCND
2021-04-073168913003POCND
2021-07-073187629001ND
2021-10-13R2110762-001POCSND
2022-04-07S2D0298-03POCSND
2022-04-07S2D0298-02POCSND
2022-04-07S2D0298-01POCSND
2023-04-24R2303482-001POCND
2023-04-24R2303482-002POCND
2023-07-19T3G2236-01POCSND