Know Your Environment. Protect Your Health.

Toluene

Chester 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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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
2018-01-092287664001ND
2018-05-158012319-01ND
2018-07-128020049-01ND
2019-07-103044796001ND
2020-02-0321499829.00ND
2020-05-0122019650.00ND
2020-07-0122412568.00ND
2021-04-0924244239.00ND
2021-07-2824825571.00ND
2022-04-2926461075.00ND
2022-08-0927230361.00ND
2022-11-0827819900.00ND
2023-07-1229299096.00ND
2023-11-0830068034.00ND
2023-11-1530068571.00ND