Know Your Environment. Protect Your Health.

Toluene

San Juan Vista

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.

 

10

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019N/A00N/A
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
2018-05-23CA3901215_001_001-201805231202ND
2020-02-10CA3901215_001_001-202002101422ND
2020-05-18CA3901215_001_001-202005181050ND
2020-08-12CA3901215_001_001-202008121113ND
2021-08-04CA3901215_001_001-202108041053ND
2021-11-05CA3901215_001_001-202111051535ND
2022-02-09CA3901215_001_001-202202091149ND
2022-08-08CA3901215_001_001-202208081215ND
2023-08-17CA3901215_001_001-202308171040ND
2023-11-08CA3901215_001_001-202311081325ND