Know Your Environment. Protect Your Health.

o-Dichlorobenzene

Hampton Shaler Water Authority

NOTE: Hampton Shaler Water Authority purchases water from West View Water Authority which is required to test for o-dichlorobenzene. Sample information shown below was taken by West View Water 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.

 

13

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND20ND
2019ND20ND
2020ND10ND
2021ND20ND
2022ND20ND
2023ND20ND

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: Hampton Shaler Water Authority purchases water from West View Water Authority which is required to test for o-dichlorobenzene. Sample information shown below was taken by West View Water Authority.

Date Lab ID Result
2018-01-0201180119ND
2019-01-149011049-01ND
2020-01-0621585867.00ND
2020-02-1821755484.00ND
2020-05-1222313365.00ND
2020-08-0422898211.00ND
2020-11-1623448553.00ND
2021-02-0223973083.00ND
2021-02-0223973104.00ND
2022-01-2526032255.00ND
2022-01-2626032234.00ND
2023-01-2428261366.00ND
2023-01-2428261367.00ND