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EWG's Tap Water Database — 2021 UPDATE

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MTBE

West Hempstead WD

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.

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259

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND440ND
2015ND220ND
2016ND200ND
2017ND370ND
2018ND630ND
2019ND730ND

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
2014-02-141402727-003-POCSND
2014-02-141402727-005-POCSND
2014-02-141402727-007-POCSND
2014-02-141402727-006-POCSND
2014-02-141402727-002-POCSND
2014-02-141402727-001-POCSND
2014-02-251402C91-001-POCSND
2014-03-031403078-001-POCSND
2014-03-121403827-001-POCSND
2014-03-181403C98-001-POCSND
2014-03-241403G61-001-POCSND
2014-04-031404267-001-POCSND
2014-04-081404593-001-POCSND
2014-04-101404856-002-POCSND
2014-04-101404856-003-POCSND
2014-04-101404845-002ND
2014-04-101404856-005-POCSND
2014-04-101404856-006-POCSND
2014-04-101404856-001-POCSND
2014-04-101404856-007-POCSND
2014-04-171404D32-001-POCSND
2014-04-221404F79-001-POCSND
2014-05-081405558-001-POCSND
2014-05-201405E49-001-POCSND
2014-06-031406152-001-POCSND
2014-06-191406E65-001-POCSND
2014-07-0214071417-001-POCND
2014-07-161407B62-001-POCSND
2014-07-161407B62-002-POCSND
2014-07-311407M11-001-POCSND
2014-08-141408A43-006-POCSND
2014-08-141408A43-002-POCSND
2014-08-141408A43-001-POCSND
2014-08-141408A43-003-POCSND
2014-08-141408A43-004-POCSND
2014-08-271408J30-001-POCSND
2014-09-111409900-001-POCSND
2014-09-231409H31-001-POCSND
2014-10-071410476-001-POCSND
2014-10-291410J23-002-POCSND
2014-10-291410J23-003-POCSND
2014-11-031411057-001-POCSND
2014-11-031411057-002-POCSND
2014-12-101412768-001-POCSND
2015-02-041502239-002-POCSND
2015-02-041502239-001-POCSND
2015-02-051502278-001-POCSND
2015-02-051502278-002-POCSND
2015-04-131504871-001-POCSND
2015-04-131504871-002-POCSND
2015-04-151504A92-001-POCSND
2015-04-151504A92-002-POCSND
2015-07-301507M16-002-POCSND
2015-07-301507M16-001-POCSND
2015-07-301507M16-003-POCSND
2015-08-041508231-002-POCSND
2015-08-041508231-001-POCSND
2015-10-071510523-005-POCSND
2015-10-071510523-002-POCSND
2015-10-071510523-001-POCSND
2015-10-071510523-003-POCSND
2015-10-0715105230-004-POCND
2015-10-161510C63-001-POCSND
2015-10-201510F97-001-POCSND
2015-10-271510K91-001-POCSND
2015-11-041511276-001-POCSND
2016-01-131601860-003-POCSND
2016-01-131601860-005-POCSND
2016-01-131601860-004-POCSND
2016-01-131601860-002-POCSND
2016-05-041605330-004-POCSND
2016-05-041605330-001-POCSND
2016-05-041605330-002-POCSND
2016-05-121605B21-004-POCSND
2016-05-121605B21-003-POCSND
2016-05-121605B21-001-POCSND
2016-05-19605I21-004-POCSND
2016-06-281606R83-001-POCSND
2016-07-201607H26-001-POCSND
2016-07-201607H24-005-POCSND
2016-07-201607H24-001-POCSND
2016-07-201607H23-002-POCSND
2016-07-201607H23-001-POCSND
2016-07-201607H24-004-POCSND
2016-11-07703860001ND
2016-11-07703860002ND
2017-01-12708978009ND
2017-01-12708978008ND
2017-01-25709857001ND
2017-01-25709857003ND
2017-01-25709857004ND
2017-01-25709857002ND
2017-01-277010048001ND
2017-01-307010140001ND
2017-05-037017655001ND
2017-05-037017655002ND
2017-05-037017655003ND
2017-05-037017655004ND
2017-06-147021356002ND
2017-06-147021356001ND
2017-07-107023616002ND
2017-07-127023857005ND
2017-07-127023857002ND
2017-07-127023857001ND
2017-07-127023857003ND
2017-07-127023857004ND
2017-07-197024675007ND
2017-07-247025073003ND
2017-10-187033286001-POCSND
2017-10-187033286001ND
2017-10-187033286002ND
2017-10-187033286002-POCSND
2017-10-237033788001ND
2017-10-257034108002ND
2017-10-257034108004ND
2017-10-257031408001ND
2017-11-037034734001ND
2017-11-087035124002ND
2017-11-087035124001ND
2017-11-147035683001ND
2017-11-147035683002ND
2017-11-207036307001ND
2017-11-207036307002ND
2018-01-297041548003ND
2018-01-297041548007ND
2018-01-297041548001ND
2018-01-297041548005ND
2018-01-297041548004ND
2018-02-027041915001ND
2018-02-067042140001ND
2018-02-067042140002ND
2018-02-277043988003ND
2018-02-277043988002ND
2018-03-147045340001ND
2018-04-117048032007ND
2018-04-117048032003ND
2018-05-097051070007ND
2018-05-097051070009ND
2018-05-097051070008ND
2018-05-097051070001ND
2018-05-097051070002ND
2018-05-097051070004ND
2018-05-297052990001ND
2018-06-077054158001ND
2018-07-127058043004ND
2018-07-127058043005ND
2018-07-127058043001ND
2018-07-127058043003ND
2018-07-127058043002ND
2018-07-257059403002ND
2018-07-257059403001ND
2018-07-257059403004ND
2018-07-307059795001ND
2018-07-307059795002ND
2018-07-307060374001ND
2018-08-037060374002ND
2018-08-087060867002ND
2018-08-087060867003ND
2018-08-087060867008ND
2018-08-087060867007ND
2018-08-087060867004ND
2018-08-147061678001ND
2018-08-147061458001ND
2018-08-157061678003ND
2018-08-157061678002ND
2018-08-287062981001ND
2018-09-067063920007ND
2018-10-107067472005ND
2018-10-107067472002ND
2018-10-107067472007ND
2018-10-107067472004ND
2018-10-107067472001ND
2018-10-107067472008ND
2018-10-107067472006ND
2018-10-227068648001ND
2018-10-227068648002ND
2018-10-297069357002ND
2018-10-297069357001ND
2018-11-087070471001ND
2018-11-087070471003ND
2018-11-087070471002ND
2018-11-147071116001ND
2018-11-147071116002ND
2018-11-307072502001ND
2018-11-307072502002ND
2018-12-057072906007ND
2019-01-167076814007ND
2019-01-167076814001ND
2019-01-167076814008ND
2019-01-167076814002ND
2019-01-167076814004ND
2019-01-167076814005ND
2019-01-237077404001ND
2019-04-107085363002ND
2019-04-107085363005ND
2019-04-107085363001ND
2019-04-107085363006ND
2019-04-107085363003ND
2019-04-107085363004ND
2019-04-107085363011ND
2019-05-017087793002ND
2019-05-017087793004ND
2019-05-017087793001ND
2019-05-087088904001ND
2019-05-137089255001ND
2019-05-157089512001ND
2019-05-207090136001ND
2019-05-207090136002ND
2019-05-297091299001ND
2019-05-297091299002ND
2019-06-067092440003ND
2019-06-067092440001ND
2019-06-097092440004ND
2019-06-187094131002ND
2019-06-187094131001ND
2019-06-267095714001ND
2019-06-287095864001ND
2019-07-027096099001ND
2019-07-027096099002ND
2019-07-257098863001ND
2019-07-257098863003ND
2019-07-257098863002ND
2019-07-257098863005ND
2019-07-257098863004ND
2019-07-297099198001ND
2019-08-0870100445002ND
2019-08-1370101278001ND
2019-08-1370101278002ND
2019-08-1370101278003ND
2019-08-1470101278007ND
2019-08-1470101278006ND
2019-08-2070102025001ND
2019-08-2070102025003ND
2019-08-2070102025002ND
2019-08-2070102025004ND
2019-09-047010364004ND
2019-09-0470103640005ND
2019-09-0470103640003ND
2019-09-0470103640001ND
2019-09-0470103640002ND
2019-09-1070104348004ND
2019-09-1070104348002ND
2019-09-1070104348007ND
2019-09-1070104348008ND
2019-09-1070104348003ND
2019-09-1870105411003ND
2019-09-1870105411004ND
2019-10-0970107921005ND
2019-10-0970107921004ND
2019-10-0970107921002ND
2019-10-0970107921006ND
2019-10-1070107921001ND
2019-10-1070108059002-POCSND
2019-10-1070108059007ND
2019-10-2470109627001ND
2019-10-2970110058001ND
2019-11-0770111128003ND
2019-11-1470111841001ND
2019-12-1170114945003ND