Know Your Environment. Protect Your Health.

Toluene

Westchester County Water District #3

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.

 

21

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND40ND
2021ND50ND
2022ND50ND
2023ND50ND

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
2018-09-24AU20759POCSND
2019-11-12AV23848POCSND
2020-04-28AW07856POCSND
2020-11-09AW21633POCSND
2020-12-15AW23891-POCSND
2020-12-15AW23893-POCSND
2021-04-06AX06359-POCSND
2021-09-20AX19180-POCS-WD3ND
2021-09-20AX19184-POCS-WD3ND
2021-11-09AX22573-POCSND
2021-11-09AX22576-POCSND
2022-04-11AY05984-POCSND
2022-10-24AY19125-POCS-WD3ND
2022-10-24AY19127-POCS-WD3ND
2022-11-01AY19681-POCSND
2022-11-01AY19679-POCSND
2023-04-25AZ07359--POCSND
2023-10-19AZ19385-POCS-WD3ND
2023-10-19AZ19384-POCS-WD3ND
2023-11-01AZ20238-POCSND
2023-11-01AZ20240-POCSND