Know Your Environment. Protect Your Health.

Toluene

Horsham Water&sewer Authority

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.

 

95

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND80ND
2019ND130ND
2020ND230ND
2021ND180ND
2022ND180ND
2023ND150ND

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
2018-01-30AF74813ND
2018-01-30AF74814ND
2018-02-13AF75932ND
2018-03-23AF79016ND
2018-06-22AF86999ND
2018-08-30AF94269ND
2018-10-03AF96985ND
2018-12-27AG04620ND
2019-02-11AG07773ND
2019-02-11AG07771ND
2019-02-11AG07775ND
2019-02-11AG07772ND
2019-02-27AG09179ND
2019-04-11AG13046ND
2019-04-11AG13047ND
2019-05-09AG16016ND
2019-05-09AG16019ND
2019-05-23AG16891ND
2019-08-21AG28299ND
2019-09-18AG31925ND
2019-09-18AG31924ND
2020-01-1621502671.00ND
2020-01-1621502650.00ND
2020-01-1621502629.00ND
2020-01-1621502608.00ND
2020-03-1221846194.00ND
2020-03-1221846173.00ND
2020-03-1221846152.00ND
2020-03-1221846131.00ND
2020-03-1221846110.00ND
2020-04-0822021672.00ND
2020-04-0822021630.00ND
2020-04-0822021609.00ND
2020-04-0822021651.00ND
2020-05-2022214514.00ND
2020-05-2022214493.00ND
2020-07-2222607048.00ND
2020-07-2222607027.00ND
2020-07-2222607069.00ND
2020-07-2222607006.00ND
2020-10-2123181855.00ND
2020-10-2123181834.00ND
2020-10-2123181792.00ND
2020-10-2123181813.00ND
2021-01-0623888212.00ND
2021-01-0623888191.00ND
2021-01-0623888149.00ND
2021-01-0623888170.00ND
2021-05-1324438518.00ND
2021-05-1324438497.00ND
2021-05-1324438476.00ND
2021-05-1324438455.00ND
2021-07-0824828077.00ND
2021-07-2124828182.00ND
2021-07-2124828245.00ND
2021-07-2124828224.00ND
2021-07-2124828203.00ND
2021-07-2925022395.00ND
2021-09-2925220240.00ND
2021-10-0725403900.00ND
2021-10-1325403915.00ND
2021-10-2725403945.00ND
2022-01-0526117100.00ND
2022-01-1226117058.00ND
2022-01-1226117079.00ND
2022-02-1026117157.00ND
2022-02-1726117037.00ND
2022-02-2426117134.00ND
2022-04-0626463514.00ND
2022-04-2026463556.00ND
2022-04-2026463577.00ND
2022-04-2026463535.00ND
2022-07-0727037110.00ND
2022-07-1327037089.00ND
2022-07-1327037068.00ND
2022-07-1427037047.00ND
2022-11-0227823001.00ND
2022-11-0927822938.00ND
2022-11-1027822959.00ND
2022-11-1027822980.00ND
2023-01-1828172712.00ND
2023-01-1928172691.00ND
2023-01-2628172733.00ND
2023-01-2628172754.00ND
2023-04-1228702143.00ND
2023-04-2628702185.00ND
2023-04-2628702206.00ND
2023-04-2628702122.00ND
2023-04-2628702164.00ND
2023-07-2729301898.00ND
2023-07-2729301877.00ND
2023-07-2729301919.00ND
2023-10-1929886677.00ND
2023-10-1929886656.00ND
2023-10-1929886635.00ND