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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

City of Tallahassee

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

MORE ABOUT THIS CONTAMINANT

 

56

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND270ND
2015N/A00N/A
2016N/A00N/A
2017ND270ND
2018N/A00N/A
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 Result
2014-01-28ND
2014-01-28ND
2014-01-28ND
2014-01-28ND
2014-01-28ND
2014-01-28ND
2014-03-11ND
2014-03-11ND
2014-03-11ND
2014-03-11ND
2014-03-11ND
2014-03-12ND
2014-05-06ND
2014-05-06ND
2014-05-06ND
2014-05-06ND
2014-05-06ND
2014-07-22ND
2014-07-22ND
2014-07-22ND
2014-07-22ND
2014-07-22ND
2014-07-22ND
2014-09-09ND
2014-09-09ND
2014-09-09ND
2014-09-09ND
2017-01-24ND
2017-01-24ND
2017-03-08ND
2017-03-08ND
2017-03-08ND
2017-03-08ND
2017-03-08ND
2017-03-08ND
2017-03-16ND
2017-03-16ND
2017-03-16ND
2017-03-16ND
2017-06-20ND
2017-06-20ND
2017-06-20ND
2017-06-20ND
2017-06-20ND
2017-06-20ND
2017-07-18ND
2017-07-18ND
2017-07-18ND
2017-07-18ND
2017-07-18ND
2017-09-14ND
2017-09-14ND
2017-09-14ND
2017-09-14ND
2019-07-17ND
2019-10-24ND