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EWG's Tap Water Database — 2021 UPDATE

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MTBE

Arvin Community Services District

MTBE was used as gasoline oxygenation additive to boost the octane number. In 2005, MTBE was replaced by ethanol as a gasoline additive. MTBE causes cancers in rats.

MORE ABOUT THIS CONTAMINANT

 

35

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015ND60ND
2016ND150ND
2017ND40ND
2018ND50ND
2019ND30ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 13 ppb

The EWG Health Guideline of 13 ppb for MTBE 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 cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-075806-011-1023ND
2014-01-075806-009-1021ND
2015-08-045806-001-1015ND
2015-08-045806-005-0921ND
2015-08-045806-018-1051ND
2015-08-045806-006-0949ND
2015-08-045806-016-1036ND
2015-09-105806-009-0936ND
2016-07-135806-001-1136ND
2016-07-135806-016-1055ND
2016-07-135806-010-0902ND
2016-07-135806-009-1018ND
2016-07-135806-006-0944ND
2016-07-135806-005-1214ND
2016-10-135806-020-1023ND
2016-10-135806-001-1207ND
2016-10-135806-022-1053ND
2016-10-135806-022-1041ND
2016-10-135806-009-1225ND
2016-10-135806-020-1009ND
2016-10-135806-018-1139ND
2016-10-135806-016-1115ND
2016-10-135806-006-1250ND
2017-10-315806-020-1117ND
2017-10-315806-022-1202ND
2017-12-065806-001-0756ND
2017-12-065806-009-0958ND
2018-03-135806-022-0900ND
2018-07-175806-018-0822ND
2018-07-175806-016-0744ND
2018-07-175806-009-0847ND
2018-07-175806-022-0928ND
2019-08-275806-020-0808ND
2019-08-275806-022-0825ND
2019-12-175806-020-0820ND