Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Oswego, City of

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

 

25

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND40ND
2019ND40ND
2020ND50ND
2021ND40ND
2022ND30ND
2023ND50ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-03-25937867ND
2018-05-20973394ND
2018-08-191029015ND
2018-11-251080745ND
2019-02-101119314ND
2019-05-121157455ND
2019-08-191226246ND
2019-11-171276631ND
2020-02-171327547ND
2020-05-171379402ND
2020-06-151406511ND
2020-08-231506147ND
2020-11-021633477ND
2021-02-211777252ND
2021-05-241845673ND
2021-08-011900129ND
2021-11-092020740ND
2022-02-142193310ND
2022-05-092254547ND
2022-11-072394430ND
2023-02-132449158ND
2023-05-222504318ND
2023-07-102532863ND
2023-08-142557193ND
2023-11-132609754ND