Know Your Environment. Protect Your Health.

Toluene

North Central Texas Municipal Water Authority

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.

 

26

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND40ND
2021ND60ND
2022ND40ND
2023ND40ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-02-13Q1806366023ND
2018-02-13Q1806366017ND
2018-05-15Q1819778005ND
2018-09-10Q1835655007ND
2019-09-10Q1963432002ND
2019-09-10Q1963432004ND
2019-09-10Q1963432006ND
2019-09-10Q1963432008ND
2020-05-26Q2020617010ND
2020-05-26Q2020617012ND
2020-05-26Q2020617014ND
2020-09-15Q2036511001ND
2021-03-01Q2105128004ND
2021-03-01Q2105128002ND
2021-05-18Q2112967013ND
2021-08-24Q2122978005ND
2021-08-24Q2122978013ND
2021-12-09Q2134685004ND
2022-03-02Q2207242006ND
2022-03-02Q2207242008ND
2022-03-02Q2207242010ND
2022-09-07Q2226614008ND
2023-03-08Q2309188005ND
2023-05-16Q2318416003ND
2023-05-16Q2318416005ND
2023-09-05Q2338005004ND