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EWG's Tap Water Database — 2021 UPDATE

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Toluene

Nas Whiting Field

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.

 

166

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND120ND
20150.0344 ppb343ND - 0.420 ppb
2016ND300ND
2017ND220ND
2018ND360ND
2019ND320ND

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 Result
2014-02-06ND
2014-02-06ND
2014-02-06ND
2014-09-09ND
2014-09-09ND
2014-09-09ND
2014-11-11ND
2014-11-11ND
2014-11-11ND
2014-12-04ND
2014-12-04ND
2014-12-04ND
2015-01-06ND
2015-01-06ND
2015-01-06ND
2015-02-100.420 ppb
2015-02-100.400 ppb
2015-02-100.350 ppb
2015-03-03ND
2015-03-03ND
2015-03-04ND
2015-04-02ND
2015-04-02ND
2015-04-02ND
2015-05-12ND
2015-05-12ND
2015-05-12ND
2015-06-10ND
2015-06-10ND
2015-06-10ND
2015-07-01ND
2015-07-01ND
2015-07-01ND
2015-07-09ND
2015-07-13ND
2015-07-15ND
2015-08-11ND
2015-08-11ND
2015-09-03ND
2015-09-03ND
2015-10-07ND
2015-10-07ND
2015-11-05ND
2015-11-05ND
2015-12-15ND
2015-12-15ND
2016-01-07ND
2016-01-07ND
2016-02-11ND
2016-02-11ND
2016-03-09ND
2016-03-09ND
2016-04-05ND
2016-04-05ND
2016-05-16ND
2016-05-16ND
2016-06-09ND
2016-06-09ND
2016-07-14ND
2016-07-14ND
2016-07-15ND
2016-08-08ND
2016-08-08ND
2016-08-08ND
2016-09-15ND
2016-09-15ND
2016-09-15ND
2016-10-10ND
2016-10-10ND
2016-10-10ND
2016-11-14ND
2016-11-14ND
2016-11-14ND
2016-12-15ND
2016-12-15ND
2016-12-15ND
2017-01-16ND
2017-01-16ND
2017-01-16ND
2017-02-14ND
2017-02-14ND
2017-02-14ND
2017-03-15ND
2017-03-15ND
2017-04-04ND
2017-04-04ND
2017-05-09ND
2017-05-09ND
2017-06-14ND
2017-06-14ND
2017-08-08ND
2017-08-08ND
2017-10-12ND
2017-10-12ND
2017-10-12ND
2017-12-14ND
2017-12-14ND
2017-12-14ND
2018-01-15ND
2018-01-15ND
2018-01-15ND
2018-02-06ND
2018-02-06ND
2018-02-06ND
2018-03-15ND
2018-03-15ND
2018-03-15ND
2018-04-11ND
2018-04-11ND
2018-04-11ND
2018-05-08ND
2018-05-08ND
2018-05-08ND
2018-06-18ND
2018-06-18ND
2018-06-18ND
2018-07-12ND
2018-07-12ND
2018-07-12ND
2018-08-08ND
2018-08-08ND
2018-08-08ND
2018-09-12ND
2018-09-12ND
2018-09-12ND
2018-10-18ND
2018-10-18ND
2018-10-18ND
2018-11-15ND
2018-11-15ND
2018-11-30ND
2018-12-12ND
2018-12-12ND
2018-12-12ND
2019-01-16ND
2019-01-16ND
2019-01-16ND
2019-02-13ND
2019-02-13ND
2019-02-13ND
2019-03-07ND
2019-03-07ND
2019-03-07ND
2019-04-17ND
2019-04-17ND
2019-05-09ND
2019-05-09ND
2019-06-12ND
2019-06-12ND
2019-07-17ND
2019-07-17ND
2019-08-14ND
2019-08-14ND
2019-08-14ND
2019-09-12ND
2019-09-12ND
2019-09-12ND
2019-10-10ND
2019-10-16ND
2019-10-16ND
2019-11-06ND
2019-11-06ND
2019-11-06ND
2019-12-05ND
2019-12-05ND
2019-12-05ND