Know Your Environment. Protect Your Health.

Toluene

Rose Creek

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.

 

14

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND10ND
2020ND10ND
20211.33 ppb32ND - 2.40 ppb
20220.408 ppb43ND - 1.10 ppb
20230.720 ppb110.720 ppb

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
2018-02-0618B0292-01ND
2018-06-2618F2035-01ND
2018-09-2718I1479-01ND
2018-10-3018J1557-01ND
2019-03-2719C1219-01ND
2020-11-1620K0808-01ND
2021-07-2821G2036-012.40 ppb
2021-07-2821G2048-01ND
2021-10-0621J0293-011.60 ppb
2022-01-3122B0065-01ND
2022-06-0122F0111-011.10 ppb
2022-08-0122H0095-010.300 ppb
2022-10-1822J0781-010.230 ppb
2023-09-1223I0712-010.720 ppb