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EWG's Tap Water Database — 2021 UPDATE

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Toluene

Sardis Lone Elm WSC

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.

 

32

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND80ND
2016ND50ND
2017ND60ND
2018ND60ND
2019ND50ND

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
2014-04-28Q1413518013ND
2014-04-28Q1413518010ND
2015-04-20Q1514635021ND
2015-04-20Q1514635020ND
2015-04-20Q1514635017ND
2015-04-20Q1514635016ND
2015-04-20Q1514635014ND
2015-07-22Q1528430001ND
2015-09-10Q1535233002ND
2015-11-19Q1546073006ND
2016-01-25Q1603127004ND
2016-01-25Q1603127001ND
2016-01-25Q1603127008ND
2016-10-27Q1645955004ND
2016-10-27Q1645955001ND
2017-04-06Q1714243035ND
2017-04-06Q1714243028ND
2017-04-06Q1714243033ND
2017-04-06Q1714243026ND
2017-04-06Q1714243032ND
2017-10-16Q1753055001ND
2018-01-11Q1801694020ND
2018-01-11Q1801694018ND
2018-01-11Q1801694017ND
2018-01-11Q1801694015ND
2018-01-11Q1801694012ND
2018-08-27Q1834176002ND
2019-04-18Q1915875003ND
2019-04-18Q1915875008ND
2019-04-18Q1915875020ND
2019-04-18Q1915875005ND
2019-04-18Q1915875017ND