Know Your Environment. Protect Your Health.

o-Dichlorobenzene

Ringwood Water Department

NOTE: Ringwood Water Department purchases water from Passaic Valley Water Commission which is required to test for o-dichlorobenzene. Sample information shown below was taken by Passaic Valley Water Commission.

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND40ND
2020ND40ND
2021ND30ND
2022ND40ND
2023ND10ND

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: Ringwood Water Department purchases water from Passaic Valley Water Commission which is required to test for o-dichlorobenzene. Sample information shown below was taken by Passaic Valley Water Commission.

Date Lab ID Result
2018-01-03AC05714HZND
2018-04-03JC64162-1ND
2018-07-11AC13282HZND
2018-10-03AC17084HZND
2019-01-02AC20580HZND
2019-04-10AC25044HZND
2019-07-03AC28785HZND
2019-10-02AC33219HZND
2020-01-08AC37301HZND
2020-04-01AC40801HZND
2020-07-01AC44467HZND
2020-10-07AC48494HZND
2021-01-06AC51904HZND
2021-04-07AC55371HZND
2021-07-07AC59006HZND
2021-10-06AC63608HZND
2022-01-05AC67073HZND
2022-04-06AC70562HZND
2022-07-06AC74369HZND
2022-10-06AC78224HZND
2023-01-04AC82218HZND
2023-04-0523D0288-01ND
2023-07-05AC89750HZND
2023-10-04AC93846HZND