Know Your Environment. Protect Your Health.

o-Dichlorobenzene

Horsham Water&sewer Authority

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.

 

95

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND130ND
2020ND230ND
2021ND180ND
2022ND180ND
2023ND150ND

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
2018-01-30AF74813ND
2018-01-30AF74814ND
2018-02-13AF75932ND
2018-03-23AF79016ND
2018-06-22AF86999ND
2018-08-30AF94269ND
2018-10-03AF96985ND
2018-12-27AG04620ND
2019-02-11AG07773ND
2019-02-11AG07771ND
2019-02-11AG07775ND
2019-02-11AG07772ND
2019-02-27AG09179ND
2019-04-11AG13046ND
2019-04-11AG13047ND
2019-05-09AG16016ND
2019-05-09AG16019ND
2019-05-23AG16891ND
2019-08-21AG28299ND
2019-09-18AG31925ND
2019-09-18AG31924ND
2020-01-1621502657.00ND
2020-01-1621502636.00ND
2020-01-1621502615.00ND
2020-01-1621502594.00ND
2020-03-1221846180.00ND
2020-03-1221846159.00ND
2020-03-1221846138.00ND
2020-03-1221846117.00ND
2020-03-1221846096.00ND
2020-04-0822021658.00ND
2020-04-0822021616.00ND
2020-04-0822021595.00ND
2020-04-0822021637.00ND
2020-05-2022214500.00ND
2020-05-2022214479.00ND
2020-07-2222607034.00ND
2020-07-2222607013.00ND
2020-07-2222607055.00ND
2020-07-2222606992.00ND
2020-10-2123181841.00ND
2020-10-2123181820.00ND
2020-10-2123181778.00ND
2020-10-2123181799.00ND
2021-01-0623888198.00ND
2021-01-0623888177.00ND
2021-01-0623888135.00ND
2021-01-0623888156.00ND
2021-05-1324438532.00ND
2021-05-1324438511.00ND
2021-05-1324438490.00ND
2021-05-1324438469.00ND
2021-07-0824828063.00ND
2021-07-2124828168.00ND
2021-07-2124828231.00ND
2021-07-2124828210.00ND
2021-07-2124828189.00ND
2021-07-2925022381.00ND
2021-09-2925220226.00ND
2021-10-0725403886.00ND
2021-10-1325403921.00ND
2021-10-2725403931.00ND
2022-01-0526117086.00ND
2022-01-1226117044.00ND
2022-01-1226117065.00ND
2022-02-1026117143.00ND
2022-02-1726117107.00ND
2022-02-2426117120.00ND
2022-04-0626463500.00ND
2022-04-2026463542.00ND
2022-04-2026463563.00ND
2022-04-2026463521.00ND
2022-07-0727037096.00ND
2022-07-1327037075.00ND
2022-07-1327037054.00ND
2022-07-1427037033.00ND
2022-11-0227822987.00ND
2022-11-0927822924.00ND
2022-11-1027822945.00ND
2022-11-1027822966.00ND
2023-01-1828172698.00ND
2023-01-1928172677.00ND
2023-01-2628172719.00ND
2023-01-2628172740.00ND
2023-04-1228702129.00ND
2023-04-2628702171.00ND
2023-04-2628702192.00ND
2023-04-2628702108.00ND
2023-04-2628702150.00ND
2023-07-2729301884.00ND
2023-07-2729301863.00ND
2023-07-2729301905.00ND
2023-10-1929886663.00ND
2023-10-1929886642.00ND
2023-10-1929886621.00ND