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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Arizona Water Company - Lakeside

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

 

20

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
2014N/A00N/A
2015ND100ND
2016N/A00N/A
2017N/A00N/A
2018ND100ND
2019N/A00N/A

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
2015-05-195051551-04SND
2015-05-195051551-03SND
2015-05-195051551-02ND
2015-05-195051551-01SND
2015-06-225061965-01SND
2015-10-205102168-01ND
2015-10-205102168-05ND
2015-10-205102168-04ND
2015-10-205102168-03ND
2015-10-205102168-02ND
2018-05-2118E2210-05 SOCND
2018-05-2118E2210-04 SOCND
2018-05-2118E2210-03 SOCND
2018-05-2118E2210-02 SOCND
2018-05-2118E2210-01 SOCND
2018-10-1518J1763-01ND
2018-10-1518J1763-05ND
2018-10-1518J1763-04ND
2018-10-1518J1763-03ND
2018-10-1518J1763-02ND