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EWG's Tap Water Database — 2021 UPDATE

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Toluene

United Water Pa Mechanicsburg

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.

 

38

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND90ND
2016ND70ND
2017ND50ND
2018ND50ND
2019ND60ND

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
2014-02-121071699003ND
2014-02-121071699001ND
2014-04-152001635001ND
2014-04-152001635002ND
2014-07-072016172003ND
2014-10-092033532001ND
2015-02-0312479195ND
2015-02-0312479150ND
2015-05-1112841447ND
2015-05-1112841470ND
2015-07-0712974664ND
2015-07-0712974685ND
2015-10-0713475189ND
2015-10-0713475168ND
2015-10-0713475212ND
2016-01-1313834612ND
2016-01-1313834589ND
2016-01-1313834633ND
2016-04-1914206410ND
2016-08-1014857583ND
2016-08-1014857604ND
2016-11-1015326815ND
2017-02-0715752212ND
2017-02-1415752256ND
2017-05-0216208302ND
2017-08-0116520105ND
2017-10-1016981642ND
2018-02-232297488001ND
2018-02-232297488002ND
2018-05-011810634-01ND
2018-08-071821380-01ND
2018-11-123000062001ND
2019-01-15H9A0708-01ND
2019-01-15H9A0708-02ND
2019-04-10H9D0711-01ND
2019-08-06H9H0636-01ND
2019-08-07H9H0668-01ND
2019-11-05H9K0519-01ND