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EWG's Tap Water Database — 2019 UPDATE

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Toluene

Washington Aqueduct Division

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.

 

142

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND240ND
2013ND240ND
2014ND240ND
2015ND240ND
2016ND240ND
2017ND220ND

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
2012-01-01DalecarliaND
2012-01-01McMillanND
2012-02-01DalecarliaND
2012-02-01McMillanND
2012-03-01DalecarliaND
2012-03-01McMillanND
2012-04-01DalecarliaND
2012-04-01McMillanND
2012-05-01DalecarliaND
2012-05-01McMillanND
2012-06-01DalecarliaND
2012-06-01McMillanND
2012-07-01DalecarliaND
2012-07-01McMillanND
2012-08-01DalecarliaND
2012-08-01McMillanND
2012-09-01DalecarliaND
2012-09-01McMillanND
2012-10-01DalecarliaND
2012-10-01McMillanND
2012-11-01DalecarliaND
2012-11-01McMillanND
2012-12-01DalecarliaND
2012-12-01McMillanND
2013-01-01DalecarliaND
2013-01-01McMillanND
2013-02-01DalecarliaND
2013-02-01McMillanND
2013-03-01DalecarliaND
2013-03-01McMillanND
2013-04-01DalecarliaND
2013-04-01McMillanND
2013-05-01DalecarliaND
2013-05-01McMillanND
2013-06-01DalecarliaND
2013-06-01McMillanND
2013-07-01DalecarliaND
2013-07-01McMillanND
2013-08-01DalecarliaND
2013-08-01McMillanND
2013-09-01DalecarliaND
2013-09-01McMillanND
2013-10-01DalecarliaND
2013-10-01McMillanND
2013-11-01DalecarliaND
2013-11-01McMillanND
2013-12-01DalecarliaND
2013-12-01McMillanND
2014-01-01DalecarliaND
2014-01-01McMillanND
2014-02-01DalecarliaND
2014-02-01McMillanND
2014-03-01DalecarliaND
2014-03-01McMillanND
2014-04-01DalecarliaND
2014-04-01McMillanND
2014-05-01DalecarliaND
2014-05-01McMillanND
2014-06-01DalecarliaND
2014-06-01McMillanND
2014-07-01DalecarliaND
2014-07-01McMillanND
2014-08-01DalecarliaND
2014-08-01McMillanND
2014-09-01DalecarliaND
2014-09-01McMillanND
2014-10-01DalecarliaND
2014-10-01McMillanND
2014-11-01DalecarliaND
2014-11-01McMillanND
2014-12-01DalecarliaND
2014-12-01McMillanND
2015-01-01DalecarliaND
2015-01-01McMillanND
2015-02-01DalecarliaND
2015-02-01McMillanND
2015-03-01DalecarliaND
2015-03-01McMillanND
2015-04-01DalecarliaND
2015-04-01McMillanND
2015-05-01DalecarliaND
2015-05-01McMillanND
2015-06-01DalecarliaND
2015-06-01McMillanND
2015-07-01DalecarliaND
2015-07-01McMillanND
2015-08-01DalecarliaND
2015-08-01McMillanND
2015-09-01DalecarliaND
2015-09-01McMillanND
2015-10-01DalecarliaND
2015-10-01McMillanND
2015-11-01DalecarliaND
2015-11-01McMillanND
2015-12-01DalecarliaND
2015-12-01McMillanND
2016-01-01DalecarliaND
2016-01-01McMillanND
2016-02-01DalecarliaND
2016-02-01McMillanND
2016-03-01DalecarliaND
2016-03-01McMillanND
2016-04-01DalecarliaND
2016-04-01McMillanND
2016-05-01DalecarliaND
2016-05-01McMillanND
2016-06-01DalecarliaND
2016-06-01McMillanND
2016-07-01DalecarliaND
2016-07-01McMillanND
2016-08-01DalecarliaND
2016-08-01McMillanND
2016-09-01DalecarliaND
2016-09-01McMillanND
2016-10-01DalecarliaND
2016-10-01McMillanND
2016-11-01DalecarliaND
2016-11-01McMillanND
2016-12-01DalecarliaND
2016-12-01McMillanND
2017-01-01DalecarliaND
2017-01-01McMillanND
2017-02-01DalecarliaND
2017-02-01McMillanND
2017-03-01DalecarliaND
2017-03-01McMillanND
2017-04-01DalecarliaND
2017-04-01McMillanND
2017-05-01DalecarliaND
2017-05-01McMillanND
2017-06-01DalecarliaND
2017-06-01McMillanND
2017-07-01DalecarliaND
2017-07-01McMillanND
2017-08-01DalecarliaND
2017-08-01McMillanND
2017-09-01DalecarliaND
2017-09-01McMillanND
2017-10-01DalecarliaND
2017-10-01McMillanND
2017-11-01DalecarliaND
2017-12-01DalecarliaND