Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Monochlorobenzene (chlorobenzene)

Windhaven Mobile Home Park

Monochlorobenzene is used as a solvent for pesticides, a degreasing agent and an intermediate for manufacturing other chemicals. It causes liver and kidney damage in studies of laboratory animals.

 

51

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND90ND
2016ND80ND
2017ND100ND
2018ND80ND
2019ND80ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 70 ppb

The EWG Health Guideline of 70 ppb for monochlorobenzene 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) 100 ppb

The legal limit for monochlorobenzene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1960s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-1014020727-03ND
2014-02-1014020727-04ND
2014-05-0814050814-03ND
2014-05-0814050814-04ND
2014-09-1214091269-03ND
2014-09-1214091269-04ND
2014-11-0514110544-03ND
2014-11-0514110544-04ND
2015-02-0412399774ND
2015-02-0412399795ND
2015-06-0312880312ND
2015-06-0312880313ND
2015-06-1912880314ND
2015-09-0113262918ND
2015-09-0113262939ND
2015-11-0413387170ND
2015-11-0413387191ND
2016-02-0913868493ND
2016-02-0913868472ND
2016-05-1214248677ND
2016-05-1214248656ND
2016-05-1214248698ND
2016-05-1214248633ND
2016-11-0715224075ND
2016-11-0715224053ND
2017-02-0815653113ND
2017-02-0815653092ND
2017-05-1916092013ND
2017-05-1916092036ND
2017-05-1916092120ND
2017-05-1916092099ND
2017-08-2316563356ND
2017-08-2316563377ND
2017-11-1417021379ND
2017-11-1417021400ND
2018-02-068021819-04ND
2018-02-068021819-03ND
2018-05-178053832-03ND
2018-05-178053832-04ND
2018-08-148083605-03ND
2018-08-148083605-04ND
2018-11-218114128-01ND
2018-11-218114128-02ND
2019-02-129022854-03ND
2019-02-129022854-06ND
2019-05-209054272-01ND
2019-05-209054272-04ND
2019-08-129083617-03ND
2019-08-129083617-06ND
2019-11-119112787-06ND
2019-11-119112787-03ND