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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

City of Chandler

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

MORE ABOUT THIS CONTAMINANT

 

231

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015ND1340ND
2016ND20ND
2017ND60ND
2018ND870ND
2019ND20ND

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
2015-01-133170543ND
2015-01-133170544ND
2015-01-133170555ND
2015-01-13550-38296-1ND
2015-01-13550-38298-1ND
2015-01-13550-38301-1SND
2015-01-153171707ND
2015-01-153171865ND
2015-01-153171870ND
2015-01-153179459ND
2015-01-15550-38538-1ND
2015-01-15550-38540-1SND
2015-01-15550-38544-1ND
2015-01-203174455ND
2015-01-203174466ND
2015-01-203174467ND
2015-01-20550-38732-1ND
2015-01-20550-38733-1ND
2015-01-20550-38736-1ND
2015-01-223176109ND
2015-01-223176112ND
2015-01-223176113ND
2015-01-22550-38880-1ND
2015-01-22550-38882-1ND
2015-01-22550-38883-1ND
2015-01-263177397ND
2015-01-263177398ND
2015-01-263177399ND
2015-01-26550-39002-1ND
2015-01-26550-39006-1ND
2015-01-26550-39007-1ND
2015-01-273178169ND
2015-01-273178170ND
2015-01-273178173ND
2015-01-27550-39062-1ND
2015-01-27550-39064-1ND
2015-01-27550-39066-1ND
2015-01-293179457ND
2015-01-293179458ND
2015-01-29550-39227-1ND
2015-01-29550-39230-1ND
2015-01-29550-39232-1ND
2015-02-023180791ND
2015-02-023180794ND
2015-02-023180795ND
2015-02-02550-39342-1ND
2015-02-02550-39345-1SND
2015-02-02550-39348-1ND
2015-02-033181598ND
2015-02-033181606ND
2015-02-033181856ND
2015-02-03550-39458-1ND
2015-02-03550-39459-1SND
2015-02-03550-39460-1ND
2015-04-133224688ND
2015-04-133224691ND
2015-04-133224692ND
2015-04-133224697ND
2015-04-13550-43129-1ND
2015-04-13550-43130-1SND
2015-04-13550-43131-1ND
2015-04-13550-43132-1SND
2015-04-153226469ND
2015-04-153226476ND
2015-04-15550-43275-1SND
2015-04-15550-43280-1ND
2015-04-223229513ND
2015-04-22550-43628-1SND
2015-07-143280717ND
2015-07-143280720SND
2015-07-143280721ND
2015-07-143280722ND
2015-07-14550-47832-1SND
2015-07-14550-47832-3SND
2015-07-14550-47832-5SND
2015-07-14550-47832-7ND
2015-07-153281834ND
2015-07-153281837ND
2015-07-153281838ND
2015-07-15550-47927-1SND
2015-07-15550-47927-3SND
2015-07-15550-47927-5SND
2015-07-163282442ND
2015-07-163282445ND
2015-07-163282447ND
2015-07-163282448ND
2015-07-16328446ND
2015-07-16550-48011-1SND
2015-07-223286721ND
2015-07-223286724ND
2015-07-223286725ND
2015-07-223286726ND
2015-07-22550-48251-1SND
2015-07-22550-48251-3SND
2015-07-22550-48251-5SND
2015-07-22550-48251-7SND
2015-07-233288148ND
2015-07-233288149ND
2015-07-23550-48380-1SND
2015-07-23550-48380-3SND
2015-07-23550-48380-5SND
2015-07-23550-48380-7SND
2015-07-273288953ND
2015-07-273288956ND
2015-07-273288957ND
2015-07-273288958ND
2015-07-27550-48489-1ND
2015-07-27550-48489-3SND
2015-07-27550-48489-5SND
2015-07-27550-48489-7SND
2015-07-28550-48484-1SND
2015-07-28550-48484-3SND
2015-07-28550-48484-5SND
2015-07-28550-48487-7SND
2015-07-293289669ND
2015-07-293289672ND
2015-07-29550-048582-1SND
2015-07-29550-48582-3SND
2015-07-303290293ND
2015-07-303290296ND
2015-11-033353128ND
2015-11-033353129ND
2015-11-033353130ND
2015-11-03550-53731-2TND
2015-11-03550-53731-3TND
2015-11-03550-53731-6TND
2015-11-053354821ND
2015-11-053354824ND
2015-11-053354825ND
2015-11-05550-53917-1TND
2015-11-05550-53917-3ND
2015-11-05550-53917-5TND
2015-11-183361735ND
2015-11-18550-54553-1TND
2016-12-293613602ND
2016-12-29550-75055-1SND
2017-06-12550-84299-1 SOCND
2017-06-19550-84660-1ND
2017-06-28550-85097-1 SOCND
2017-08-30550-88911-1SOCND
2017-08-31550-89003-1SOCND
2017-10-12550-91428-5 SOCND
2018-01-23550-96737-1 SOCND
2018-01-23550-96737-2 SOCND
2018-01-23550-96737-3 SOCND
2018-01-23550-96737-4 SOCND
2018-01-24550-96821-1 SOCND
2018-01-24550-96821-2 SOCND
2018-01-24550-96821-3 SOCND
2018-01-24550-96821-4 SOCND
2018-01-24550-96821-5 SOCND
2018-01-25550-96914-1 SOCND
2018-01-25550-96914-2 SOCND
2018-01-25550-96914-4 SOCND
2018-01-25550-96914-5 SOCND
2018-01-29550-97023-1 SOCND
2018-01-30550-97100-2ND
2018-01-30550-97100-3 SOCND
2018-01-31550-97179-1 SOCND
2018-02-01550-97256-1 SOCND
2018-02-01550-97256-3 SOCND
2018-02-01550-97256-4 SOCND
2018-03-05550-98895-1 SOCND
2018-03-05550-98895-2 SOCND
2018-03-05550-98895-4 SOCND
2018-03-05550-98895-5 SOCND
2018-03-06550-98981-2 SOCND
2018-03-20550-99786-1ND
2018-03-20550-99786-3ND
2018-04-17550-101375-2 SOCND
2018-04-17550-101375-3ND
2018-04-18550-101450-2 SOCND
2018-04-18550-101450-4 SOCND
2018-04-19550-101546-2ND
2018-04-19550-101546-4 SOCND
2018-04-20550-101629-1 SOCND
2018-06-123691645ND
2018-06-123961646ND
2018-06-123961647ND
2018-06-123961648ND
2018-06-123961649ND
2018-06-123961650ND
2018-06-123961651ND
2018-06-263974609ND
2018-06-28550-105094-2 SOCND
2018-06-28550-105094-3 SOCND
2018-07-233999963ND
2018-07-233999966ND
2018-07-233999967ND
2018-07-233999968ND
2018-07-233999969ND
2018-07-233999983ND
2018-07-244001821ND
2018-07-244001824ND
2018-07-244001825ND
2018-07-244001826ND
2018-07-244001827ND
2018-07-254004396ND
2018-07-254004399ND
2018-07-254004400ND
2018-07-254004401ND
2018-07-254004402ND
2018-07-254004403ND
2018-07-264004345ND
2018-07-264004348ND
2018-07-264004349ND
2018-07-264004350ND
2018-07-264004351ND
2018-07-264004352ND
2018-07-304008766ND
2018-07-304008769ND
2018-07-304008770ND
2018-07-304008771ND
2018-07-304008772ND
2018-08-214031673ND
2018-10-17550-111920-1ND
2018-10-184100496ND
2018-10-184100497ND
2018-10-184100498ND
2018-10-224101183ND
2018-10-224101184ND
2018-10-224101187ND
2018-10-234101653ND
2018-10-244102278ND
2018-10-244102281ND
2018-10-254104531ND
2018-10-254104537ND
2018-10-314107548ND
2018-10-314107551ND
2019-03-25201903250345SND
2019-07-22201907220239SND