Know Your Environment. Protect Your Health.

Toluene

Sunbelt Fresh Water Supply District High Meadows Subdivision

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
2019ND30ND
2020ND30ND
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
2018-01-29AE11291ND
2018-01-29AE11293ND
2018-01-29AE11295ND
2019-07-02AE73138ND
2019-07-02AE73144ND
2019-07-02AE73152ND
2020-09-15AF27375ND
2020-09-24AF28465ND
2020-10-14AF30635ND
2021-06-09AF57222ND
2021-06-09AF57228ND
2022-01-26AF81956ND
2022-01-26AF81958ND
2023-03-07Q2309782001ND
2023-05-03AG39173ND