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EWG's Tap Water Database — 2021 UPDATE

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Monochlorobenzene (chlorobenzene)

Epcor Water - Mohave

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.

 

40

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND120ND
2016ND50ND
2017ND60ND
2018ND100ND
2019ND60ND

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
2014-05-07550-24237-1VND
2015-03-10550-41482-1VND
2015-05-18550-45047-3VND
2015-05-18550-45047-2VND
2015-05-18550-45047-1ND
2015-05-19550-45076-3VND
2015-05-19550-45076-2ND
2015-05-19550-45076-1VND
2015-06-16550-46584-1ND
2015-09-15550-51357-8TND
2015-09-15550-51357-7ND
2015-11-30550-55138-8ND
2015-11-30550-55138-7ND
2016-02-02550-58216-2VND
2016-06-27550-65660-2ND
2016-06-27550-65660-1ND
2016-08-22550-68530-1ND
2016-12-06550-74145-1ND
2017-03-13550-79132-1ND
2017-03-13550-79132-2ND
2017-06-087060966-01VOCND
2017-08-107081254-01ND
2017-08-117081254-02ND
2017-11-157111744-01VOCND
2018-03-1918C2058-02ND
2018-06-13550-104387-1 VOCND
2018-08-23550-108601-1ND
2018-08-23550-108602-1ND
2018-08-23550-108603-1ND
2018-08-23550-108604-1ND
2018-08-27550-108897-1ND
2018-08-27550-108896-1ND
2018-08-27550-108893-1ND
2018-12-17550-115272-1ND
2019-01-28550-117109-1ND
2019-02-27550-118691-1ND
2019-04-16550-121443-1ND
2019-04-16550-121442-1ND
2019-05-15550-122990-1ND
2019-07-03550-125666-1ND