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EWG's Tap Water Database

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Toluene

Grants Way

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.

 

20

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2010ND30ND
2011ND40ND
2012ND40ND
2013ND10ND
2014ND40ND
2015ND40ND

ppb = parts per billion.

State and national drinking water standards and health guidelines

Health Guideline 150 ppb

The 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.

ppb = parts per billion.

EPA Maximum Contaminant
Level (MCL) 1,000 ppb

The enforceable federal standard that defines the highest level of a contaminant allowed in drinking water.

ppb = parts per billion.

EPA Maximum Contaminant
Level Goal (MCLG)1,000 ppb

A non-enforceable federal health guideline. For cancer-causing chemicals, these health goals are typically set to zero.

ppb = parts per billion.

All test results

Date Lab ID Result
2010-04-14S73115ND
2010-09-13A10090774-02ND
2010-10-19S254798ND
2011-01-26S227888ND
2011-04-25S227921ND
2011-07-26S201364ND
2011-10-21S196634ND
2012-01-26S313461ND
2012-04-26S313584ND
2012-07-24S366444ND
2012-10-19S382326ND
2013-01-14S382342ND
2014-01-30S438321ND
2014-04-23S479078ND
2014-07-23L5171337-1ND
2014-10-15S257742ND
2015-01-15S504601ND
2015-04-21S580497ND
2015-08-24S612406ND
2015-10-20S614751ND