Know Your Environment. Protect Your Health.

Toluene

Town of Ridgecrest Water Supply

NOTE: Town of Ridgecrest Water Supply purchases water from Town of Ferriday Water System which is required to test for toluene. Sample information shown below was taken by Town of Ferriday 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
2018N/A00N/A
2019ND80ND
2020ND20ND
2021N/A00N/A
2022ND40ND
2023N/A00N/A

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

NOTE: Town of Ridgecrest Water Supply purchases water from Town of Ferriday Water System which is required to test for toluene. Sample information shown below was taken by Town of Ferriday Water System.

Date Lab ID Result
2019-09-1635498099001ND
2019-09-1635498099002ND
2019-09-1635498099003ND
2019-09-1635498099004ND
2019-09-1635498099001ND
2019-09-1635498099002ND
2019-09-1635498099003ND
2019-09-1635498099004ND
2022-08-2335742847001ND
2022-08-2335742847002ND
2022-08-2335742847003ND
2022-08-2335742847004ND