Toluene

City of Post Falls

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.

MORE ABOUT THIS CONTAMINANT

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2013	N/A	0	N/A
2014	ND	9	ND
2015	ND	1	ND
2016	ND	1	ND
2017	N/A	0	N/A
2018	N/A	0	N/A
2019	ND	7	ND

ppb = parts per billion

State and national drinking water standards and health guidelines

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
2014-01-27	V012714105	ND
2014-01-27	V012714104	ND
2014-03-21	V149079	ND
2014-06-02	V060214129	ND
2014-06-02	V060214105	ND
2014-06-02	V060214103	ND
2014-06-02	V060214104	ND
2014-06-24	V151797	ND
2014-09-04	V154278	ND
2015-09-14	V164591	ND
2016-12-14	V178367	ND
2019-11-12	V210892	ND
2019-11-13	V210942	ND
2019-11-18	V211060	ND
2019-11-18	V211063	ND
2019-11-19	V211104	ND
2019-12-09	V211717	ND
2019-12-16	V211918	ND