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EWG's Tap Water Database — 2019 UPDATE

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Toluene

City of Ridgeland

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.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND40ND
2013ND10ND
2014ND10ND
2015ND60ND
2016ND20ND
2017ND10ND

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
2012-01-23120124-003VOND
2012-04-09120410-009VOND
2012-08-27120828-001VOND
2012-10-22121023-004VOND
2013-06-03130604-004VOND
2014-06-23140624-002VOND
2015-07-28150729-005VOND
2015-08-31150901-018VOND
2015-08-31150901-017VOND
2015-08-31150901-016VOND
2015-08-31150901-012VOND
2015-08-31150901-011VOND
2016-07-18160719-021VOND
2016-09-26160927-008VOND
2017-08-28170829-010VOND