Know Your Environment. Protect Your Health.

o-Dichlorobenzene

Pennsylvania American Water Company Yardley

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.

 

35

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND30ND
2020ND70ND
2021ND70ND
2022ND80ND
2023ND70ND

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
2018-04-1139062701ND
2018-08-1440630801ND
2018-08-1440630201ND
2019-04-0443649801ND
2019-08-2245815901ND
2019-08-2245816001ND
2020-01-0621487052.00ND
2020-04-0922005645.00ND
2020-04-0922005624.00ND
2020-07-0922591162.00ND
2020-08-0622780455.00ND
2020-08-0622780476.00ND
2020-10-1223166545.00ND
2021-01-0623695999.00ND
2021-04-0624231009.00ND
2021-04-0624230988.00ND
2021-07-0724812033.00ND
2021-08-0225004517.00ND
2021-08-0225004538.00ND
2021-10-0425387750.00ND
2022-01-0325926358.00ND
2022-03-0926272423.00ND
2022-04-0626447218.00ND
2022-04-0626447243.00ND
2022-07-1227020344.00ND
2022-08-0427216458.00ND
2022-08-0427216425.00ND
2022-10-1327625711.00ND
2023-01-0328156614.00ND
2023-04-1728684429.00ND
2023-04-1728684419.00ND
2023-07-1229285441.00ND
2023-08-0929478509.00ND
2023-08-0929478488.00ND
2023-10-1129870736.00ND