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EWG's Tap Water Database — 2021 UPDATE

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Toluene

Rubio Canon Land & Water Association

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.

 

18

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015ND30ND
2016ND30ND
2017ND30ND
2018ND30ND
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
2014-02-033761-007-0845ND
2014-02-033761-004-0845ND
2014-02-033761-003-0715ND
2015-02-023761-003-0750ND
2015-02-023761-004-0700ND
2015-02-023761-007-0700ND
2016-02-013761-003-0745ND
2016-02-013761-007-0655ND
2016-02-013761-004-0655ND
2017-02-063761-004-0740ND
2017-02-063761-007-0740ND
2017-02-063761-003-0905ND
2018-02-053761-004-0636ND
2018-02-053761-007-0636ND
2018-02-053761-003-0750ND
2019-02-053761-004-1148ND
2019-02-053761-007-0809ND
2019-02-053761-003-0932ND