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EWG's Tap Water Database — 2021 UPDATE

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Toluene

Fort Sam Houston

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
2014N/A00N/A
2015ND10ND
2016ND30ND
2017ND60ND
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
2015-03-23AC85623ND
2016-02-25AD25793ND
2016-09-28AD51718ND
2016-12-15AD62394ND
2017-01-30AD67573ND
2017-01-30AD67575ND
2017-04-24AD80717ND
2017-04-24AD80715ND
2017-07-07AD88708ND
2017-10-10AE00129ND
2018-01-18AE09245ND
2018-04-20AE23481ND
2018-04-20AE23471ND
2019-01-24AE51287ND
2019-01-24AE51285ND
2019-01-24AE51269ND