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EWG's Tap Water Database — 2021 UPDATE

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Toluene

Naval Support Facility, Indian Head

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND10ND
2015ND20ND
2016ND20ND
2017ND40ND
2018ND20ND
2019ND30ND

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
2014-04-030080058_09_04349ND
2015-08-06E16000441001ND
2015-11-09E16002040001ND
2016-08-30E17000878001ND
2016-10-27E17001910001ND
2017-03-22E17003695001ND
2017-05-25E17004650001ND
2017-07-31E18000396001ND
2017-10-31E18001763001ND
2018-01-25E18002660001ND
2018-10-16E190011287001ND
2019-01-28E19002305001ND
2019-01-28E19002305004ND
2019-05-09E19003829006ND