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EWG's Tap Water Database — 2021 UPDATE

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Dacthal

New York American Water - Lynbrook

Dacthal is a weedkiller classified by the Environmental Protection Agency as a possible human carcinogen, and prohibited for use in Europe since 2009.

MORE ABOUT THIS CONTAMINANT

 

288

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20141.10 ppb2921ND - 3.00 ppb
20150.655 ppb5825ND - 3.00 ppb
20160.797 ppb7135ND - 3.00 ppb
20170.750 ppb3218ND - 2.00 ppb
20180.644 ppb4518ND - 3.00 ppb
20190.642 ppb5320ND - 3.00 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2014-01-1624477001ND
2014-03-11244773011.000 ppb
2014-03-1224784901-SOCS3.00 ppb
2014-03-12244776011.000 ppb
2014-03-1824785401-SOCSND
2014-04-0825194301ND
2014-04-09251945011.000 ppb
2014-04-1525194701ND
2014-04-1525194901ND
2014-04-1724474201-SOCS2.00 ppb
2014-05-1324783801-SOCSND
2014-05-2125192701ND
2014-06-11244779011.000 ppb
2014-06-11251925013.00 ppb
2014-07-08263109012.00 ppb
2014-07-08263107011.000 ppb
2014-07-08263111011.000 ppb
2014-07-0826311301-07082013.00 ppb
2014-07-1524475501-SOCSND
2014-08-25270235011.000 ppb
2014-09-10263088011.000 ppb
2014-10-16272584012.00 ppb
2014-10-16272582011.000 ppb
2014-11-04272586011.000 ppb
2014-11-19272588011.000 ppb
2014-12-16272566012.00 ppb
2014-12-16272567011.000 ppb
2014-12-31280426012.00 ppb
2014-12-31280425011.000 ppb
2015-01-1428012201-SOCSND
2015-01-1528012801-SOCS1.000 ppb
2015-01-20280137012.00 ppb
2015-01-2128013201-SOCSND
2015-01-3028013601-SOCSND
2015-02-1028447101ND
2015-02-1928171801-SOCSND
2015-02-24284988011.000 ppb
2015-02-2428172401-SOCSND
2015-02-2628172101-SOCSND
2015-02-27280139012.00 ppb
2015-02-2728013801ND
2015-03-0328172601-SOCSND
2015-03-0428014001ND
2015-03-11280123011.000 ppb
2015-03-16283708ND
2015-03-16287490012.00 ppb
2015-03-18283700ND
2015-03-2428012401ND
2015-03-25283696ND
2015-03-26287877011.000 ppb
2015-03-31283698ND
2015-04-22287148ND
2015-04-27287132ND
2015-04-2828714001-SOCSND
2015-05-07287149011.000 ppb
2015-05-08289032012.00 ppb
2015-05-12287150011.000 ppb
2015-05-12287151011.000 ppb
2015-05-282871523.00 ppb
2015-05-29289035ND
2015-06-08289029ND
2015-06-0828713301ND
2015-06-09292503ND
2015-06-25287134011.000 ppb
2015-06-25291734ND
2015-07-06296119012.00 ppb
2015-07-06297481012.00 ppb
2015-07-07296118011.000 ppb
2015-07-2229611001ND
2015-07-28296114ND
2015-08-07299379011.000 ppb
2015-08-19299377013.00 ppb
2015-08-28299371ND
2015-09-01301278ND
2015-09-08299374ND
2015-09-15296104ND
2015-10-13303827ND
2015-10-13303828ND
2015-10-13303819012.00 ppb
2015-10-133038292.00 ppb
2015-10-13303830ND
2015-11-09306836ND
2015-12-083038201.000 ppb
2015-12-102961202.00 ppb
2015-12-142961211.000 ppb
2015-12-163038181.000 ppb
2015-12-302961221.000 ppb
2016-01-12311413012.00 ppb
2016-01-12311407011.000 ppb
2016-01-12311411011.000 ppb
2016-01-27311415012.00 ppb
2016-02-1731141701ND
2016-03-0131556701ND
2016-03-1631554801ND
2016-03-23315545011.000 ppb
2016-03-29311419011.000 ppb
2016-03-2931555101ND
2016-04-0531785201ND
2016-04-1931787401ND
2016-04-20313044011.000 ppb
2016-04-2131786801ND
2016-04-2831785301ND
2016-04-28317861012.00 ppb
2016-05-1231787601ND
2016-05-1232048501ND
2016-05-1832045501ND
2016-05-24320461ND
2016-05-2732046301ND
2016-05-27317867011.000 ppb
2016-05-31317873012.00 ppb
2016-06-01312162011.000 ppb
2016-06-1431304601ND
2016-06-1432437701ND
2016-06-22317878012.00 ppb
2016-06-27324361013.00 ppb
2016-06-2732783501ND
2016-06-2732784101ND
2016-06-29327846012.00 ppb
2016-06-3032785201ND
2016-06-3032785001ND
2016-07-19327842011.000 ppb
2016-07-1932951601ND
2016-07-20327854011.000 ppb
2016-07-20329519013.00 ppb
2016-07-20327836012.00 ppb
2016-08-03330466011.000 ppb
2016-08-0433046301ND
2016-08-22330468012.00 ppb
2016-08-23330460012.00 ppb
2016-08-2433324601ND
2016-09-14333247011.60 ppb
2016-09-1433324101ND
2016-09-14333248012.00 ppb
2016-09-2033321901ND
2016-09-23333222011.000 ppb
2016-09-2833322501ND
2016-10-20335929011.000 ppb
2016-10-21335917012.00 ppb
2016-10-24338501011.000 ppb
2016-10-2533849101ND
2016-10-2533593501ND
2016-10-25338492011.000 ppb
2016-10-27335916012.00 ppb
2016-10-27335922013.00 ppb
2016-10-3133592301ND
2016-11-01338503011.000 ppb
2016-11-08335928011.000 ppb
2016-11-08335934012.00 ppb
2016-11-08338502011.000 ppb
2016-11-1433840801ND
2016-11-1433850401ND
2016-11-1433840001ND
2016-11-1733840301ND
2016-11-1833840601ND
2016-12-0133593701ND
2016-12-08335939013.00 ppb
2016-12-2034360701ND
2016-12-2033594101ND
2017-01-25343891012.00 ppb
2017-01-25343897011.000 ppb
2017-01-25343895012.00 ppb
2017-01-25343886012.00 ppb
2017-01-25343880011.000 ppb
2017-02-06343899011.000 ppb
2017-02-0834387501ND
2017-02-1334388101ND
2017-03-2434387601ND
2017-04-10352661011.000 ppb
2017-04-1035267801ND
2017-04-1035265701ND
2017-04-1035264301ND
2017-04-10352653012.00 ppb
2017-04-10352649011.000 ppb
2017-04-1035265901ND
2017-04-1135267701ND
2017-05-1135609201ND
2017-07-11363946011.000 ppb
2017-07-11363942011.000 ppb
2017-07-11363938011.000 ppb
2017-07-1136394801ND
2017-07-11363950011.000 ppb
2017-07-11363958011.000 ppb
2017-07-1736395701ND
2017-08-1636775101ND
2017-10-03374477011.000 ppb
2017-10-23374487011.000 ppb
2017-10-2337447301ND
2017-10-23374489012.00 ppb
2017-10-2337448101ND
2017-10-23374485012.00 ppb
2018-01-16382917012.00 ppb
2018-01-18382951011.000 ppb
2018-01-23382918012.00 ppb
2018-01-26382924012.00 ppb
2018-02-0238679901ND
2018-02-0638294001ND
2018-02-0738679601ND
2018-02-0738680201ND
2018-02-0938679301ND
2018-02-2339145801ND
2018-03-0738910001ND
2018-03-28382936011.000 ppb
2018-04-05392194011.000 ppb
2018-04-05392202011.000 ppb
2018-04-05392208012.00 ppb
2018-04-1639219501ND
2018-04-2039221501ND
2018-04-3039220301ND
2018-05-04392214011.000 ppb
2018-05-1039535101ND
2018-06-07392219012.00 ppb
2018-06-1439535701ND
2018-07-1339536101ND
2018-07-1840615601ND
2018-07-1940330301ND
2018-07-2540328701ND
2018-07-2640331101ND
2018-07-27403302012.00 ppb
2018-07-27403286011.000 ppb
2018-07-27403294012.00 ppb
2018-08-0140696701ND
2018-08-1740696101ND
2018-08-1740696301ND
2018-08-2340696501ND
2018-08-23403295013.00 ppb
2018-08-2739947001ND
2018-08-27399458011.000 ppb
2018-09-0640331001ND
2018-10-0441553001ND
2018-10-2641552901ND
2018-10-26415524011.000 ppb
2018-10-26415531012.00 ppb
2018-10-26415532012.00 ppb
2018-12-2041553301ND
2018-12-2840331301ND
2019-02-0842955701ND
2019-02-22426033011.000 ppb
2019-02-2242602701ND
2019-02-22426021011.000 ppb
2019-02-25426042012.00 ppb
2019-02-2542603901ND
2019-02-2542604401ND
2019-03-0143352001ND
2019-03-0143351901ND
2019-03-06429555012.00 ppb
2019-03-08429558011.000 ppb
2019-03-1442956601ND
2019-03-1842602201ND
2019-03-19426028012.00 ppb
2019-03-25411647011.000 ppb
2019-03-25411644012.00 ppb
2019-03-2642603401ND
2019-04-0243353601ND
2019-04-0843354601ND
2019-04-0943357401ND
2019-04-1243353801ND
2019-04-12433542013.00 ppb
2019-04-1243353701ND
2019-04-12433540012.00 ppb
2019-04-2243353501ND
2019-05-0643360001ND
2019-05-30433541012.00 ppb
2019-06-0543363801ND
2019-06-1143363501ND
2019-06-1943363601ND
2019-07-0143365301ND
2019-07-01433657011.000 ppb
2019-07-01433654012.00 ppb
2019-07-01433658011.000 ppb
2019-07-01433656012.00 ppb
2019-07-03433655011.000 ppb
2019-07-1743368601ND
2019-07-2243365101ND
2019-07-2443366201ND
2019-09-0946135401ND
2019-09-3046311501ND
2019-10-0146961501ND
2019-10-0446961601ND
2019-10-08469617012.00 ppb
2019-10-08469621012.00 ppb
2019-10-18469619012.00 ppb
2019-10-2146962501ND
2019-11-2047293801ND
2019-12-0947293401ND
2019-12-11469620012.00 ppb
2019-12-1246961801ND
2019-12-1647293701ND
2019-12-1846311401ND