Know Your Environment. Protect Your Health.

o-Dichlorobenzene

Ephrata Area Joint 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.

 

48

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND50ND
2019ND50ND
2020ND90ND
2021ND90ND
2022ND100ND
2023ND100ND

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
2018-01-047020609-01ND
2018-01-058000628-01ND
2018-04-098007939-01ND
2018-07-158020415-01ND
2018-10-018028440-01ND
2019-01-028018023-01ND
2019-01-089000133-01ND
2019-04-027004831-01ND
2019-07-027011943-01ND
2019-10-079035881-01ND
2020-01-0321627532.00ND
2020-04-0622168751.00ND
2020-04-1322168807.00ND
2020-04-1322168806.00ND
2020-07-1322753758.00ND
2020-07-1722753835.00ND
2020-07-2122753836.00ND
2020-10-0723319887.00ND
2020-10-1423319967.00ND
2021-02-1224015881.00ND
2021-02-2624015909.00ND
2021-04-0824201060.00ND
2021-04-1424390927.00ND
2021-07-0124976242.00ND
2021-07-0124976243.00ND
2021-07-1624976354.00ND
2021-10-0525545663.00ND
2021-10-0825545731.00ND
2022-01-0526077515.00ND
2022-01-3126077715.00ND
2022-02-0826247116.00ND
2022-04-0426604671.00ND
2022-04-0526604703.00ND
2022-07-1127188744.00ND
2022-07-1227188825.00ND
2022-07-2227188984.00ND
2022-10-1027782896.00ND
2022-10-2527782948.00ND
2023-01-0928307556.00ND
2023-01-2428307788.00ND
2023-01-2428307810.00ND
2023-04-1428855576.00ND
2023-04-1428855575.00ND
2023-07-1129451547.00ND
2023-07-1829451606.00ND
2023-08-2929654934.00ND
2023-10-3130028770.00ND
2023-10-3130028769.00ND