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EWG's Tap Water Database — 2021 UPDATE

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Monochlorobenzene (chlorobenzene)

Collingswood Water Depar

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.

 

50

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND80ND
2016ND80ND
2017ND90ND
2018ND100ND
2019ND70ND

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
2014-03-0714031563-002ND
2014-03-0714031563-001ND
2014-06-1714061881-001ND
2014-06-1714061881-002ND
2014-09-2414092459-002ND
2014-09-2414092459-001ND
2014-12-03141203/2641-02ND
2014-12-03141203/2641-01ND
2015-03-12150312/2808-02ND
2015-03-12150312/2808-01ND
2015-05-14150514/2931-2ND
2015-05-14150514/2931-1ND
2015-08-17150817/3123-7ND
2015-08-17150817/3123-6ND
2015-11-18151118/3295-6DND
2015-11-18151118/3295-7DND
2016-02-19160219/3440-5ND
2016-02-19160219/3440-6ND
2016-05-18160518/3620-5ND
2016-05-18160518/3620-6ND
2016-08-18160818/3800-6ND
2016-08-18160818/3800-5ND
2016-12-02161202/3978-2AND
2016-12-02161202/3978-1AND
2017-02-21170221/4468-6ND
2017-02-21170221/4468-5ND
2017-06-2636672501ND
2017-06-2636672502ND
2017-06-30L6876932-1ND
2017-09-1537547701ND
2017-09-1537547702ND
2017-11-2738205405ND
2017-11-2738205406ND
2018-03-2039402101ND
2018-03-2039402102ND
2018-05-2540150402ND
2018-05-2540150401ND
2018-07-1040707602ND
2018-07-1040707601ND
2018-12-28P18-9014-02ND
2018-12-28381228703AND
2018-12-28P18-9014-01ND
2018-12-28381228702AND
2019-01-16390116768.1ND
2019-01-16390116767.1ND
2019-04-03390403745ND
2019-04-03390403746ND
2019-07-10390711700ND
2019-10-16391016760.1ND
2019-11-20391120796ND