Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Monochlorobenzene (chlorobenzene)

City of Tempe

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.

MORE ABOUT THIS CONTAMINANT

 

84

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND170ND
2015ND20ND
2016ND30ND
2017ND240ND
2018ND210ND
2019ND170ND

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
2014-01-021401002-01VND
2014-01-281401146-01VND
2014-01-281401144-01VND
2014-01-281401143-01VND
2014-01-281401142-01VND
2014-01-291401148-01VND
2014-01-291401147-01VND
2014-01-291401145-01VND
2014-01-291401141-01VND
2014-03-241403189-01VND
2014-04-281404215-01VND
2014-04-301404216-01VND
2014-07-291407258-01VND
2014-07-301407280-01VND
2014-07-301407276-01VND
2014-11-121411119-01VND
2014-11-121411118-01VND
2015-02-25150222701VND
2015-03-041503035-01VND
2016-01-131601108-01VND
2016-01-261601221-01VND
2016-04-081604073-01VND
2017-01-031701015-01VND
2017-01-031701007-01VND
2017-01-171701113-01VND
2017-01-171701112-01VND
2017-01-181701116-01VND
2017-01-181701115-01VND
2017-01-181701114-01VND
2017-01-191701117-01VND
2017-01-261701120-01VND
2017-01-261701119-01VND
2017-01-311701253-01VND
2017-01-311701252-01VND
2017-03-23201703230333VND
2017-04-037040337-01VOCND
2017-05-047050712-01ND
2017-05-047050711-01ND
2017-08-281708300-01VND
2017-08-291708311-01VND
2017-08-301708317-01VND
2017-09-071709042-01VND
2017-10-021710019-01VND
2017-10-031710038-01VND
2017-10-111710157-01VND
2017-10-111710156-01VND
2018-01-021801001-001BND
2018-01-031801015-001BND
2018-01-031801014-001BND
2018-01-171801103-01BND
2018-01-171801102-001BND
2018-01-171801101-001BND
2018-01-181801115-001BND
2018-01-181801114-001BND
2018-01-231801143-001BND
2018-01-241801151-001BND
2018-02-051802024-001BND
2018-02-051802023-001BND
2018-02-061802032-001BND
2018-02-131802083-001BND
2018-03-061803023-001BND
2018-04-101804109-001BND
2018-04-111804131-001BND
2018-04-111804123-001BND
2018-07-091807047-001BND
2018-07-311807285-001BND
2018-10-011810011-001BND
2019-01-021901015-001 VOCND
2019-01-021901007-001 VOCND
2019-01-021901005-001 VOCND
2019-01-021901004-001 VOCND
2019-01-031901024-001 VOCND
2019-01-031901021-001 VOCND
2019-01-031901025-001 VOCND
2019-01-031901026-001 VOCND
2019-01-071901045-001 VOCND
2019-01-081901054-001 VOCND
2019-03-131903102-001 VOCND
2019-03-291903192-001 VOCND
2019-03-301903194-001 VOCND
2019-04-021904016-001ND
2019-04-111904119-001ND
2019-07-011907004-001ND
2019-10-011910010-001ND