Toluene

Sands Point

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

140

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2014	ND	20	ND
2015	ND	19	ND
2016	ND	23	ND
2017	ND	30	ND
2018	ND	24	ND
2019	ND	24	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
2014-03-11	1403728-002-POCS	ND
2014-03-11	1403728-003-POCS	ND
2014-03-11	1403728-004-POCS	ND
2014-03-11	1403728-005-POCS	ND
2014-03-11	1403728-001-POCS	ND
2014-05-13	1405909-002-POCS	ND
2014-05-13	1405909-005-POCS	ND
2014-05-13	1405909-001-POCS	ND
2014-05-13	1405909-004-POCS	ND
2014-05-13	1405909-003-POCS	ND
2014-09-02	1409077-002-POCS	ND
2014-09-02	1409077-001-POCS	ND
2014-09-02	1409077-004-POCS	ND
2014-09-02	140907-003-POCS	ND
2014-09-02	1409077-005-POCS	ND
2014-11-18	1411C18-003-POCS	ND
2014-11-18	1411C18-002-POCS	ND
2014-11-18	1411C18-005-POCS	ND
2014-11-18	1411C18-001-POCS	ND
2014-11-18	1411C18-004-POCS	ND
2015-03-17	1503B53-002-POCS	ND
2015-03-17	1503B53-004-POCS	ND
2015-03-17	1503B53-001-POCS	ND
2015-03-17	1503B53-003-POCS	ND
2015-03-17	1503B53-005-POCS	ND
2015-06-16	1506D36-005-POCS	ND
2015-06-16	1506D36-002-POCS	ND
2015-06-16	1506D36-004-POCS	ND
2015-06-16	1506D36-001-POCS	ND
2015-06-16	1506D36-003-POCS	ND
2015-09-22	1509H02-004-POCS	ND
2015-09-22	1509H02-002-POCS	ND
2015-09-22	1509H02-003-POCS	ND
2015-09-22	1509H02-001-POCS	ND
2015-09-22	1509H02-005-POCS	ND
2015-11-17	1511D82-002-POCS	ND
2015-11-17	1511D82-004-POCS	ND
2015-11-17	1511D82-003-POCS	ND
2015-11-17	1511D82-001-POCS	ND
2016-03-22	1603H56-004	ND
2016-03-22	1603H56-003	ND
2016-03-22	1603H56-001-POCS	ND
2016-03-22	1603H56-005-POCS	ND
2016-03-22	1603H56-002	ND
2016-05-05	1605483-004	ND
2016-05-23	1605L07-002	ND
2016-05-23	1605L07-005	ND
2016-05-23	1605L07-003	ND
2016-05-23	1605L07-001	ND
2016-05-23	1605L07-004	ND
2016-09-26	1609M44-001	ND
2016-09-26	1609M44-003A	ND
2016-09-26	1609M44-003	ND
2016-09-26	1609M44-004	ND
2016-09-26	1609M44-005	ND
2016-11-16	704726002	ND
2016-12-01	705820004-POC	ND
2016-12-01	705820001-POCS	ND
2016-12-01	705820005	ND
2016-12-01	705820005-POCS	ND
2016-12-01	705820003-POC	ND
2016-12-01	705820002-POC	ND
2017-03-21	7013839001	ND
2017-03-28	7014322001-POCS	ND
2017-03-28	7014322003	ND
2017-03-28	7014322004	ND
2017-03-28	7014322002A	ND
2017-05-02	7017523001	ND
2017-05-11	7018457003-POCS	ND
2017-05-16	7018796001-POCS	ND
2017-05-16	7018796002-POCS	ND
2017-05-16	7018796003-POCS	ND
2017-05-16	7018796001	ND
2017-05-16	7018796004-POCS	ND
2017-05-16	7018796002	ND
2017-05-16	7018796004	ND
2017-05-16	7018796003	ND
2017-05-18	7019036001	ND
2017-09-25	7030950001-POCS	ND
2017-09-25	7030950006-POCS	ND
2017-09-25	7030950003-POCS	ND
2017-09-25	703950001-POCS	ND
2017-09-25	2902852-POCS	ND
2017-09-25	7030950005	ND
2017-09-25	7030950002-POCS	ND
2017-09-25	7030950004-POCS	ND
2017-11-14	7035726006-POCS	ND
2017-11-14	7035726002-POCS	ND
2017-11-14	7035726001-POCS	ND
2017-11-14	7035726005-POCS	ND
2017-11-14	7035726004-POCS	ND
2017-11-14	7035726003-POCS	ND
2018-03-14	7045332004-POCS	ND
2018-03-14	7045332002-POCS	ND
2018-03-14	7045332006-POCS	ND
2018-03-14	7045332005-POCS	ND
2018-03-14	7045332003-POCS	ND
2018-03-14	7045332001-POCS	ND
2018-05-08	7050974006-POCS	ND
2018-05-08	7050974003-POCS	ND
2018-05-08	7050974002-POCS	ND
2018-05-08	7050974005-POCS	ND
2018-05-08	7050974001-POCS	ND
2018-05-08	7050974004-POCS	ND
2018-09-18	7065159005-POCS	ND
2018-09-18	7065159006-POCS	ND
2018-09-18	7065159003-POCS	ND
2018-09-18	7065159001-POCS	ND
2018-09-18	7065159004-POCS	ND
2018-09-18	7065159002-POCS	ND
2018-11-28	7072272005-POCS	ND
2018-11-28	7072272003-POCS	ND
2018-11-28	7072266001-POCS	ND
2018-11-28	7072272002-POCS	ND
2018-11-28	7072272004-POCS	ND
2018-11-28	70772272001-POCS	ND
2019-03-19	7082847002	ND
2019-03-19	7082847001	ND
2019-03-19	7082838002	ND
2019-03-19	7082847003	ND
2019-03-19	7082838001	ND
2019-03-19	7082838003	ND
2019-06-04	7092017003-POCS	ND
2019-06-04	7092017005-POCS	ND
2019-06-04	7092017001-POCS	ND
2019-06-04	7092017006-POCS	ND
2019-06-04	7092017002-POCS	ND
2019-06-04	7092017004-POCS	ND
2019-09-17	70105251004	ND
2019-09-17	70105251002-POCS	ND
2019-09-17	70105251001-POCS	ND
2019-09-17	70105251005	ND
2019-09-17	70105251003-POCS	ND
2019-09-17	70105251006	ND
2019-12-03	70113924006	ND
2019-12-03	70113924003	ND
2019-12-03	70113924001	ND
2019-12-03	70113924002	ND
2019-12-03	70113924005	ND
2019-12-17	70113924004	ND