Know Your Environment. Protect Your Health.

Toluene

Sleepy Valley Water Company

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
202154.0 ppb21ND - 108.0 ppb
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
2018-07-03CA1900903_001_001-201807030824ND
2018-07-03CA1900903_002_002-201807030843ND
2019-12-18CA1900903_001_001-201912180745ND
2019-12-18CA1900903_002_002-201912180745ND
2020-07-08CA1900903_002_002-202007080740ND
2020-07-08CA1900903_001_001-202007080730ND
2021-08-04CA1900903_002_002-202108040730ND
2021-08-04CA1900903_001_001-202108040720108.0 ppb
2022-06-29CA1900903_002_002-202206291028ND
2022-06-29CA1900903_001_001-202206291020ND
2023-11-15CA1900903_001_001-202311150730ND
2023-11-15CA1900903_002_002-202311150730ND