Know Your Environment. Protect Your Health.

Toluene

Downtown Graton Mutual Water System

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.

 

12

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

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

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
2018-03-07CA4901246_002_002-201803071025ND
2018-03-07CA4901246_003_003-201803071040ND
2019-03-28CA4901246_003_003-201903281030ND
2019-03-28CA4901246_002_002-201903281040ND
2020-03-30CA4901246_002_002-202003301150ND
2020-03-30CA4901246_003_003-202003301135ND
2021-03-29CA4901246_002_002-202103291350ND
2021-03-29CA4901246_003_003-202103291405ND
2022-03-24CA4901246_002_002-202203241440ND
2022-03-24CA4901246_003_003-202203241450ND
2023-10-24CA4901246_002_002-202310241510ND
2023-10-24CA4901246_003_003-202310241456ND