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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Honolulu-Windward-Pearl Harbor

Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.

MORE ABOUT THIS CONTAMINANT

 

343

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
2014ND1220ND
2015ND260ND
2016ND240ND
2017ND1100ND
2018ND320ND
2019ND290ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 2 ppb

The legal limit for alachlor, established in 1991, was based on toxicity studies in laboratory animals conducted in the 1980s.

ppb = parts per billion

All test results

Date Lab ID Result
2014-02-12201402140300ND
2014-02-12201402140301ND
2014-02-12201402140302ND
2014-02-13201402150240ND
2014-02-19201402210438ND
2014-02-24201402260749ND
2014-04-01201404030466ND
2014-04-01201404030467ND
2014-04-01201404030468ND
2014-04-01201404030469ND
2014-04-02201404040550ND
2014-04-02201404040551ND
2014-04-02201404040552ND
2014-04-02201404040553ND
2014-04-02201404040554ND
2014-04-04201404080620ND
2014-04-04201404080621ND
2014-04-07201404090482ND
2014-04-07201404090483ND
2014-04-07201404090484ND
2014-04-07201404090485ND
2014-04-08201404100546ND
2014-04-08201404100547ND
2014-04-08201404100549ND
2014-04-08201404100550ND
2014-04-08201404100551ND
2014-04-09201404120256ND
2014-04-09201404120257ND
2014-04-09201404120258ND
2014-04-11201404150363ND
2014-04-14201404160551ND
2014-04-14201404160552ND
2014-04-14201404160553ND
2014-04-14201404160554ND
2014-04-14201404160555ND
2014-04-14201404160556ND
2014-04-15201404170340ND
2014-04-15201404170341ND
2014-04-15201404170342ND
2014-04-15201404170344ND
2014-04-15201404170345ND
2014-04-16201404180401ND
2014-04-16201404180402ND
2014-04-16201404180403ND
2014-04-16201404180404ND
2014-04-16201404180405ND
2014-04-16201404180406ND
2014-04-21201404230599ND
2014-04-22201404240273ND
2014-04-22201404240274ND
2014-04-23201404250201ND
2014-04-23201404250202ND
2014-04-28201404300621ND
2014-05-06201405080376ND
2014-05-07201405090622ND
2014-05-07201405090625ND
2014-07-07201407091151ND
2014-07-09201407110319ND
2014-07-09201407110320ND
2014-07-09201407110321ND
2014-07-14201407170344ND
2014-07-14201407170345ND
2014-07-14201407170634ND
2014-07-14201407170635ND
2014-07-15201407170633ND
2014-07-16201407180291ND
2014-07-16201407180292ND
2014-07-16201407180293ND
2014-07-16201407180294ND
2014-07-21201407230644ND
2014-07-22201407240385ND
2014-07-22201407240386ND
2014-07-22201407240387ND
2014-07-22C14-07-0138AND
2014-07-22C14-07-0139ND
2014-07-22C14-07-0140AND
2014-07-22C14-07-0141ND
2014-07-22C14-07-0142ND
2014-07-22C14-07-0143ND
2014-07-22C14-07-0144ND
2014-07-22C14-07-0145ND
2014-07-23201407250454ND
2014-07-23201407250455ND
2014-07-24C14-07-0157ND
2014-07-24C14-07-0158AND
2014-07-24C14-07-0159ND
2014-07-24C14-07-0160ND
2014-07-24C14-07-0161ND
2014-07-28201407300353ND
2014-07-28201407300354ND
2014-07-28201407300355ND
2014-07-28201407300356ND
2014-07-28201407300357ND
2014-07-28201407300358ND
2014-07-29201407310301ND
2014-07-29201407310302ND
2014-07-29201407310303ND
2014-07-29201407310304ND
2014-07-29201407310305ND
2014-07-30201408010298ND
2014-07-30201408010299ND
2014-07-30201408010300ND
2014-07-30201408010301ND
2014-08-06201408080380ND
2014-08-11201408130617ND
2014-08-11201408130619ND
2014-08-11201408130620ND
2014-08-12201408150106ND
2014-08-12201408150107ND
2014-08-13201408150180ND
2014-08-13201408150181ND
2014-08-18201408210214ND
2014-08-18201408210215ND
2014-08-19201408210635ND
2014-08-19201408220168ND
2014-08-26201408290555ND
2014-08-27201408300150ND
2014-09-05201409090243ND
2014-10-21201410230268ND
2014-10-28201410300232ND
2014-10-29201410310268ND
2014-10-31201411040539ND
2015-01-23201501270104ND
2015-02-09201502110395ND
2015-02-10201502120276ND
2015-04-07201504090113ND
2015-04-07201504090114ND
2015-04-08201504100169ND
2015-04-13201504150250ND
2015-04-15201504170064ND
2015-04-27201504280100ND
2015-04-27201504290336ND
2015-04-27201504290337ND
2015-04-29201504300057ND
2015-05-04201505060108ND
2015-05-05201505060141ND
2015-05-05201505060142ND
2015-05-27201505290083ND
2015-06-10201506110760ND
2015-07-08201507100092ND
2015-07-08201507100093ND
2015-07-20201507220425ND
2015-08-18201508200479ND
2015-10-06201510080301ND
2015-10-12201510140312ND
2015-10-19201510210677ND
2015-10-19201510140073ND
2015-12-28201512180363ND
2016-01-26ND
2016-02-09ND
2016-03-16ND
2016-04-06ND
2016-04-06ND
2016-04-07ND
2016-04-12ND
2016-04-12ND
2016-04-12ND
2016-04-12ND
2016-04-13ND
2016-04-13ND
2016-04-13ND
2016-04-13ND
2016-04-13ND
2016-04-14ND
2016-05-02ND
2016-07-07ND
2016-07-11ND
2016-10-04ND
2016-10-12ND
2016-10-12ND
2016-10-17ND
2016-10-28ND
2017-01-06ND
2017-01-06ND
2017-02-01ND
2017-02-14ND
2017-04-03ND
2017-04-03ND
2017-04-05ND
2017-04-05ND
2017-04-11ND
2017-04-11ND
2017-04-11ND
2017-04-11ND
2017-04-17ND
2017-04-17ND
2017-04-18ND
2017-04-18ND
2017-04-19ND
2017-04-19ND
2017-04-19ND
2017-04-19ND
2017-04-19ND
2017-04-19ND
2017-04-20ND
2017-04-26ND
2017-05-01ND
2017-05-01ND
2017-05-02ND
2017-05-03ND
2017-05-03ND
2017-05-03ND
2017-05-03ND
2017-05-03ND
2017-05-04ND
2017-05-09ND
2017-05-09ND
2017-05-09ND
2017-05-10ND
2017-05-10ND
2017-05-10ND
2017-05-11ND
2017-05-16ND
2017-05-16ND
2017-05-17ND
2017-05-17ND
2017-05-22ND
2017-05-22ND
2017-05-22ND
2017-05-22ND
2017-05-22ND
2017-05-23ND
2017-05-23ND
2017-05-24ND
2017-05-30ND
2017-06-05ND
2017-06-05ND
2017-06-05ND
2017-06-06ND
2017-06-07ND
2017-06-13ND
2017-07-05ND
2017-07-05ND
2017-07-07ND
2017-07-07ND
2017-07-10ND
2017-07-11ND
2017-07-11ND
2017-07-12ND
2017-07-12ND
2017-07-14ND
2017-07-14ND
2017-07-14ND
2017-07-14ND
2017-07-17ND
2017-07-17ND
2017-07-17ND
2017-07-17ND
2017-07-18ND
2017-07-18ND
2017-07-18ND
2017-07-19ND
2017-07-19ND
2017-07-19ND
2017-07-19ND
2017-07-19ND
2017-07-19ND
2017-07-25ND
2017-07-25ND
2017-07-25ND
2017-07-25ND
2017-07-26ND
2017-07-26ND
2017-07-31ND
2017-07-31ND
2017-08-01ND
2017-08-01ND
2017-08-02ND
2017-08-02ND
2017-08-04ND
2017-08-04ND
2017-08-07ND
2017-08-07ND
2017-08-11ND
2017-08-15ND
2017-08-15ND
2017-08-17ND
2017-10-11ND
2017-10-12ND
2017-10-13ND
2017-10-26ND
2017-11-13ND
2018-01-22201712280221ND
2018-01-31201712280218ND
2018-02-12201801080281ND
2018-02-20201801290307ND
2018-03-28201803300306ND
2018-04-04201804060493ND
2018-04-09201804120582ND
2018-04-09201804120583ND
2018-04-09201804120586ND
2018-04-10201804130358ND
2018-04-10201804120580ND
2018-04-11201804160615ND
2018-04-17201804181083ND
2018-04-18201804200567ND
2018-04-18201804200568ND
2018-04-18201804200569ND
2018-04-23201804270354ND
2018-04-24201804260448ND
2018-05-30201805230584ND
2018-06-12201805230583ND
2018-07-13201807170605ND
2018-07-25201807270183ND
2018-08-01201808030195ND
2018-08-06201808090955ND
2018-08-06201808090956ND
2018-08-08201808110152ND
2018-10-17201810190436ND
2018-10-17201810190437ND
2018-10-22201810240183ND
2018-10-29201810310325ND
2018-11-16201811200267ND
2018-11-16201811200266ND
2019-01-30201902010237ND
2019-01-30201902060098ND
2019-02-08201902130369ND
2019-04-01201904020237ND
2019-04-03201904050243ND
2019-04-08201904100442ND
2019-04-10201904110140ND
2019-04-10201904120295ND
2019-04-17201904190115ND
2019-04-17201904190116ND
2019-04-22201904240396ND
2019-04-24201904250251ND
2019-04-29201904300227ND
2019-05-01201905020257ND
2019-05-01201905020258ND
2019-05-02201905030134ND
2019-05-02201905030135ND
2019-07-09201906200200ND
2019-08-05201908070575ND
2019-08-05201908070574ND
2019-08-26201908280436ND
2019-09-18201909200252ND
2019-09-25201909270220ND
2019-10-22201910240455ND
2019-10-22201910240454ND
2019-10-25201910250346ND
2019-10-29201910310278ND
2019-12-19201912200397ND
2019-12-24201912180100ND