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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

City of Lawrence

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

MORE ABOUT THIS CONTAMINANT

 

30

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
2014ND60ND
2015ND20ND
2016ND10ND
2017ND20ND
2018ND90ND
2019ND100ND

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
2014-02-12FEB2014-SEMIVOCND
2014-02-12FEB-14-SEMIVOCND
2014-05-21MAY2014-SEMIVOCND
2014-05-21MAY-14-SEMIVOCND
2014-08-13AUG2014-SEMIVOCND
2014-08-13AUG-14-SEMIVOCND
2015-05-06MAY2015-SEMIVOCND
2015-05-06MAY-15-SEMIVOCND
2016-05-04MAY-16-SEMIVOCND
2017-06-142017-06-14-TP002ND
2017-06-142017-06-14-TP001ND
2018-02-142018-02-14-TP1-SND
2018-02-142018-02-14-TP002ND
2018-02-142018-02-14-TP002ND
2018-05-102018-05-10-TP1-SND
2018-05-102018-05-10-TP002ND
2018-08-152018-11-01-TP1-SND
2018-08-152018-08-15-TP1-SND
2018-08-152018-08-15-TP002ND
2018-11-012018-11-01-TP002ND
2019-02-142019-02-14 SOC TND
2019-02-142019-02-14 SOC TND
2019-05-142019-05-14-SOC-TND
2019-05-142019-05-14-SOC TND
2019-06-042019-06-04 TP001ND
2019-08-072019-08-07-SOC-TND
2019-08-072019-08-07-SOC TND
2019-11-182019-11-18-SOC-TND
2019-11-182019-11-18-VOC-TND
2019-11-182019-11-18-SOC-TND