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EWG's Tap Water Database — 2021 UPDATE

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Dalapon

New York American Water - Lynbrook

The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.

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
2014ND280ND
2015ND590ND
2016ND710ND
2017ND320ND
2018ND450ND
2019ND530ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 200 ppb

The legal limit for dalapon, established in 1992, was based on a toxicity study in laboratory animals published in 1960.

ppb = parts per billion

All test results

Date Lab ID Result
2014-03-1124477301ND
2014-03-1224784901-SOCSND
2014-03-1224477601ND
2014-03-1824785401-SOCSND
2014-04-0825194301ND
2014-04-0925194501ND
2014-04-1525194701ND
2014-04-1525194901ND
2014-04-1724474201-SOCSND
2014-05-1324783801-SOCSND
2014-05-2125192701ND
2014-06-1124477901ND
2014-06-1125192501ND
2014-07-0826310901ND
2014-07-0826310701ND
2014-07-0826311101ND
2014-07-0826311301-0708201ND
2014-07-1524475501-SOCSND
2014-08-2527023501ND
2014-09-1026308801ND
2014-10-1627258401ND
2014-10-1627258201ND
2014-11-0427258601ND
2014-11-1927258801ND
2014-12-1627256601ND
2014-12-1627256701ND
2014-12-3128042601ND
2014-12-3128042501ND
2015-01-1428012201-SOCSND
2015-01-1528012801-SOCSND
2015-01-2028013701ND
2015-01-2128013201-SOCSND
2015-01-3028013601-SOCSND
2015-02-1028447101ND
2015-02-1928171801-SOCSND
2015-02-2428498801ND
2015-02-2428172401-SOCSND
2015-02-2628172101-SOCSND
2015-02-2728013901ND
2015-02-2728013801ND
2015-03-0328172601-SOCSND
2015-03-0428014001ND
2015-03-1128012301ND
2015-03-16283708ND
2015-03-1628749001ND
2015-03-18283700ND
2015-03-2428012401ND
2015-03-25283696ND
2015-03-2628787701ND
2015-03-31283698ND
2015-04-22287148ND
2015-04-27287132ND
2015-04-2828714001-SOCSND
2015-05-0728714901ND
2015-05-0828903201ND
2015-05-1228715001ND
2015-05-1228715101ND
2015-05-28287152ND
2015-05-29289035ND
2015-06-08289029ND
2015-06-0828713301ND
2015-06-09292503ND
2015-06-18291732ND
2015-06-2528713401ND
2015-06-25291734ND
2015-07-0629611901ND
2015-07-0629748101ND
2015-07-0729611801ND
2015-07-2229611001ND
2015-07-28296114ND
2015-08-0729937901ND
2015-08-1929937701ND
2015-08-28299371ND
2015-09-01301278ND
2015-09-08299374ND
2015-09-15296104ND
2015-10-13303827ND
2015-10-13303828ND
2015-10-1330381901ND
2015-10-13303829ND
2015-10-13303830ND
2015-11-09306836ND
2015-12-08303820ND
2015-12-10296120ND
2015-12-14296121ND
2015-12-16303818ND
2015-12-30296122ND
2016-01-1231141301ND
2016-01-1231140701ND
2016-01-1231141101ND
2016-01-2731141501ND
2016-02-1731141701ND
2016-03-0131556701ND
2016-03-1631554801ND
2016-03-2331554501ND
2016-03-2931141901ND
2016-03-2931555101ND
2016-04-0531785201ND
2016-04-1931787401ND
2016-04-2031304401ND
2016-04-2131786801ND
2016-04-2831786101ND
2016-04-2831785301ND
2016-05-1232048501ND
2016-05-1231787601ND
2016-05-1832045501ND
2016-05-24320461ND
2016-05-2732046301ND
2016-05-2731786701ND
2016-05-3131787301ND
2016-06-0131216201ND
2016-06-1432437701ND
2016-06-1431304601ND
2016-06-2231787801ND
2016-06-2732783501ND
2016-06-2732436101ND
2016-06-2732784101ND
2016-06-2932784601ND
2016-06-3032785201ND
2016-06-3032785001ND
2016-07-1932951601ND
2016-07-1932784201ND
2016-07-2032783601ND
2016-07-2032951901ND
2016-07-2032785401ND
2016-08-0333046601ND
2016-08-0433046301ND
2016-08-2233046801ND
2016-08-2333046001ND
2016-08-2433324601ND
2016-09-1433324101ND
2016-09-1433324801ND
2016-09-1433324701ND
2016-09-2033321901ND
2016-09-2333322201ND
2016-09-2833322501ND
2016-10-2033592901ND
2016-10-2133591701ND
2016-10-2433850101ND
2016-10-2533849201ND
2016-10-2533593501ND
2016-10-2533849101ND
2016-10-2733592201ND
2016-10-2733591601ND
2016-10-3133592301ND
2016-11-0133850301ND
2016-11-0833592801ND
2016-11-0833850201ND
2016-11-0833593401ND
2016-11-1433850401ND
2016-11-1433840801ND
2016-11-1433840001ND
2016-11-1733840301ND
2016-11-1833840601ND
2016-12-0133593701ND
2016-12-0833593901ND
2016-12-2033594101ND
2016-12-2034360701ND
2017-01-2534389101ND
2017-01-2534388601ND
2017-01-2534388001ND
2017-01-2534389501ND
2017-01-2534389701ND
2017-02-0634389901ND
2017-02-0834387501ND
2017-02-1334388101ND
2017-03-2434387601ND
2017-04-1035264301ND
2017-04-1035267801ND
2017-04-1035266101ND
2017-04-1035265901ND
2017-04-1035265301ND
2017-04-1035265701ND
2017-04-1035264901ND
2017-04-1135267701ND
2017-05-1135609201ND
2017-07-1136394601ND
2017-07-1136394201ND
2017-07-1136393801ND
2017-07-1136394801ND
2017-07-1136395001ND
2017-07-1136395801ND
2017-07-1736395701ND
2017-08-1636775101ND
2017-10-0337447701ND
2017-10-2337448101ND
2017-10-2337448701ND
2017-10-2337448501ND
2017-10-2337447301ND
2017-10-2337448901ND
2018-01-1638291701ND
2018-01-1838295101ND
2018-01-2338291801ND
2018-01-2638292401ND
2018-02-0238679901ND
2018-02-0638294001ND
2018-02-0738679601ND
2018-02-0738680201ND
2018-02-0938679301ND
2018-02-2339145801ND
2018-03-0738910001ND
2018-03-2838293601ND
2018-04-0539220201ND
2018-04-0539219401ND
2018-04-0539220801ND
2018-04-1639219501ND
2018-04-2039221501ND
2018-04-3039220301ND
2018-05-0439221401ND
2018-05-1039535101ND
2018-06-0739221901ND
2018-06-1439535701ND
2018-07-1339536101ND
2018-07-1840615601ND
2018-07-1940330301ND
2018-07-2540328701ND
2018-07-2640331101ND
2018-07-2740328601ND
2018-07-2740330201ND
2018-07-2740329401ND
2018-08-0140696701ND
2018-08-1740696301ND
2018-08-1740696101ND
2018-08-2340696501ND
2018-08-2340329501ND
2018-08-2739945801ND
2018-08-2739947001ND
2018-09-0640331001ND
2018-10-0441553001ND
2018-10-2641553201ND
2018-10-2641552901ND
2018-10-2641552401ND
2018-10-2641553101ND
2018-12-2041553301ND
2018-12-2840331301ND
2019-02-0842955701ND
2019-02-2242602701ND
2019-02-2242602101ND
2019-02-2242603301ND
2019-02-2542604401ND
2019-02-2542604201ND
2019-02-2542603901ND
2019-03-0143352001ND
2019-03-0143351901ND
2019-03-0642955501ND
2019-03-0842955801ND
2019-03-1442956601ND
2019-03-1842602201ND
2019-03-1942602801ND
2019-03-2541164401ND
2019-03-2541164701ND
2019-03-2642603401ND
2019-04-0243353601ND
2019-04-0843354601ND
2019-04-0943357401ND
2019-04-1243354001ND
2019-04-1243353701ND
2019-04-1243354201ND
2019-04-1243353801ND
2019-04-2243353501ND
2019-05-0643360001ND
2019-05-3043354101ND
2019-06-0543363801ND
2019-06-1143363501ND
2019-06-1943363601ND
2019-07-0143365301ND
2019-07-0143365401ND
2019-07-0143365601ND
2019-07-0143365801ND
2019-07-0143365701ND
2019-07-0343365501ND
2019-07-1743368601ND
2019-07-2243365101ND
2019-07-2443366201ND
2019-09-0946135401ND
2019-09-3046311501ND
2019-10-0146961501ND
2019-10-0446961601ND
2019-10-0846961701ND
2019-10-0846962101ND
2019-10-1846961901ND
2019-10-2146962501ND
2019-11-2047293801ND
2019-12-0947293401ND
2019-12-1146962001ND
2019-12-1246961801ND
2019-12-1647293701ND
2019-12-1846311401ND