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EWG's Tap Water Database — 2019 UPDATE

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Toluene

City of Kerrville

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.

 

28

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.273 ppb31ND - 0.820 ppb
2013ND10ND
2014ND10ND
2015ND60ND
2016ND50ND
2017ND120ND

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
2012-04-041204117005ND
2012-07-251207951005ND
2012-10-0412102280050.820 ppb
2013-07-29AC26104ND
2014-07-16AC59841ND
2015-04-15AC88380ND
2015-07-20AD00203ND
2015-07-20AD00201ND
2015-08-14AD04432ND
2015-08-14AD04428ND
2015-08-14AD04430ND
2016-02-01AD21129ND
2016-04-18AD33348ND
2016-07-05AD42974ND
2016-07-05AD42962ND
2016-10-24AD54358ND
2017-04-06AD78768ND
2017-05-08AD83088ND
2017-05-08AD83086ND
2017-05-09AD83355ND
2017-05-09AD83359ND
2017-05-09AD83357ND
2017-07-05AD88337ND
2017-07-05AD88335ND
2017-07-05AD88333ND
2017-07-05AD88339ND
2017-10-09AD99820ND
2017-10-09AD99818ND