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EWG's Tap Water Database — 2021 UPDATE

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Toluene

Camden District

Toluene is a volatile solvent that harms the nervous and immune systems, damages the liver and may increase the risk of miscarriage and birth defects. Read More.

Toluene is a petroleum-derived chemical found in gasoline and used as a solvent in paints, adhesives and cleaning supplies. Toluene is highly neurotoxic. Exposure can cause fatigue and nausea, and may lead to nervous system disorders.

MORE ABOUT THIS CONTAMINANT

 

105

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND170ND
2015ND180ND
2016ND180ND
2017ND160ND
2018ND180ND
2019ND180ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 150 ppb

The EWG Health Guideline of 150 ppb for toluene 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) 1,000 ppb

The legal limit for toluene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-06S479118ND
2014-03-06S479119ND
2014-03-06S479120ND
2014-03-06S479121ND
2014-06-02S479195ND
2014-06-02S479196ND
2014-06-02S479197ND
2014-06-02S479198ND
2014-07-07S479231ND
2014-09-03S536966ND
2014-09-03S536967ND
2014-09-03S536968ND
2014-09-03S536969ND
2014-12-01S316450ND
2014-12-01S316451ND
2014-12-01S316452ND
2014-12-01S316453ND
2015-01-27S580494ND
2015-03-02S580506ND
2015-03-02S580507ND
2015-03-02S588743ND
2015-03-02S588744ND
2015-06-01S612418ND
2015-06-01S612419ND
2015-06-01S612420ND
2015-06-01S612421ND
2015-07-17S612444ND
2015-09-09S602039ND
2015-09-09S602040ND
2015-09-09S602041ND
2015-09-09S602042ND
2015-12-07S625013ND
2015-12-07S625014ND
2015-12-07S625015ND
2015-12-07S625016ND
2016-03-07S659177ND
2016-03-07S659178ND
2016-03-07S659179ND
2016-03-07S659180ND
2016-04-01S659032ND
2016-04-01S659033ND
2016-06-06S629050ND
2016-06-06S629051ND
2016-06-06S629052ND
2016-06-06S629053ND
2016-09-07S670383ND
2016-09-07S670384ND
2016-09-07S670385ND
2016-09-07S670386ND
2016-12-05S670404ND
2016-12-05S670409ND
2016-12-05S670410ND
2016-12-05S670458ND
2017-01-24S670505ND
2017-03-06S679367ND
2017-03-06S679368ND
2017-03-06S679369ND
2017-03-06S679370ND
2017-06-06S730810ND
2017-06-06S730811ND
2017-06-06S730812ND
2017-06-06S730813ND
2017-09-05S659074ND
2017-09-05S659078ND
2017-09-05S659082ND
2017-09-05S659086ND
2017-12-05S730753ND
2017-12-05S730761ND
2017-12-05S737087ND
2018-01-24S730857ND
2018-03-05S770678ND
2018-03-05S770682ND
2018-03-05S770686ND
2018-03-05S770690ND
2018-06-04S770837ND
2018-06-04S770841ND
2018-06-04S770849ND
2018-06-04S770883ND
2018-08-02S812085ND
2018-09-05S812257ND
2018-09-05S812261ND
2018-09-05S812265ND
2018-09-05S812285ND
2018-12-03S817025ND
2018-12-03S817033ND
2018-12-03S817037ND
2018-12-03S817041ND
2019-03-05S847949ND
2019-03-05S847953ND
2019-03-05S847957ND
2019-03-05S847961ND
2019-04-23S817135ND
2019-04-23S817137ND
2019-06-04S848075ND
2019-06-04S848079ND
2019-06-04S848083ND
2019-06-04S848087ND
2019-09-04S864721ND
2019-09-04S864725ND
2019-09-04S864729ND
2019-09-04S864733ND
2019-12-03S919923ND
2019-12-03S919927ND
2019-12-03S919931ND
2019-12-03S919935ND