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EWG's Tap Water Database — 2019 UPDATE

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Toluene

City of Lewiston

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.

 

16

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND20ND
2013ND30ND
2014ND30ND
2015ND30ND
2016ND10ND
2017ND40ND

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
2012-04-03V59256ND
2012-08-15V62175ND
2013-02-27V130228026-001ND
2013-06-05V130606050-001ND
2013-08-21V130822058-005ND
2014-02-25V140226039-001ND
2014-06-03V140604041-002ND
2014-08-13V140814054-004ND
2015-01-21V150122025-001ND
2015-04-14V150416021-001ND
2015-07-22V150723044-003ND
2016-02-09V160209050-002ND
2017-03-28V170328050-001ND
2017-03-28V170328050-002ND
2017-09-19V170920029-003ND
2017-09-19V170920029-004ND