Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Toluene

Mustang SUD

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.

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND40ND
2016ND40ND
2017ND50ND
2018ND40ND
2019ND40ND

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
2014-01-16Q1401487002ND
2015-04-07Q1512608012ND
2015-04-07Q1512608009ND
2015-07-06Q1525681012ND
2015-07-06Q1525681009ND
2016-01-07Q1600448016ND
2016-01-07Q1600448011ND
2016-01-07Q1600448010ND
2016-01-07Q1600448014ND
2017-03-22Q1712369006ND
2017-03-22Q1712369008ND
2017-03-22Q1712369004ND
2017-03-22Q1712369002ND
2017-10-04Q1749048001ND
2018-07-10Q1827459007ND
2018-07-10Q1827459006ND
2018-07-10Q1827459004ND
2018-07-10Q1827459002ND
2019-01-08Q1900592007ND
2019-01-08Q1900592020ND
2019-01-08Q1900592008ND
2019-01-08Q1900592017ND