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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

The Cape Master System

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

 

40

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND40ND
2015N/A00N/A
2016ND160ND
2017ND40ND
2018N/A00N/A
2019ND160ND

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
2014-02-19C315555-01ND
2014-04-16C402167-01ND
2014-08-06C407331-01ND
2014-11-05C411354-01ND
2016-02-16C515471-01ND
2016-05-18CZ02689-01ND
2016-07-20CZ07689-04ND
2016-07-20CZ07688-01ND
2016-07-20CZ07688-02ND
2016-07-20CZ07688-03ND
2016-07-20CZ07689-01ND
2016-07-21CZ07689-02ND
2016-08-02CZ11493-01ND
2016-11-01CZ12545-02ND
2016-11-01CZ12546-01ND
2016-11-01CZ12546-02ND
2016-11-01CZ12546-04ND
2016-11-01CZ12545-01ND
2016-11-15CZ17138-01ND
2016-11-15CZ17137-01ND
2017-03-28CZ17219-01ND
2017-04-25CA02109-01ND
2017-08-15CA07479-01ND
2017-11-08CA12689-01ND
2019-01-15CB17881-01 ND
2019-04-16CC02949-01 ND
2019-07-09CC09160-01 ND
2019-07-09CC09160-02 ND
2019-07-09CC09160-03 ND
2019-07-09CC09161-01 ND
2019-07-09CC09161-02 ND
2019-07-09CC09161-03 ND
2019-07-09CC09161-04 ND
2019-10-15CC14174-02 ND
2019-10-15CC14174-03 ND
2019-10-15CC14175-01 ND
2019-10-15CC14175-02 ND
2019-10-15CC14175-03 ND
2019-10-15CC14175-04 ND
2019-10-15CC14174-01 ND