Know Your Environment. Protect Your Health.

Toluene

Deforest Waterworks

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.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019ND20ND
2020ND40ND
2021ND20ND
2022ND10ND
2023ND120ND

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
2018-03-131044928ND
2018-03-131044929ND
2018-08-29404007001ND
2019-06-191129331ND
2019-06-191129330ND
2020-06-021191109ND
2020-06-021191107ND
2020-06-021191108ND
2020-06-021191092ND
2021-04-131248611ND
2021-04-131248610ND
2022-07-261326226ND
2023-03-21669283001ND
2023-03-21669282001ND
2023-06-08682745001ND
2023-06-08682743001ND
2023-07-25691015001ND
2023-07-25691015002ND
2023-09-07698953003ND
2023-09-07698953001ND
2023-09-19701208001ND
2023-09-19701205001ND
2023-12-12714406001ND
2023-12-12714406002ND