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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Lamont Public Utility District

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

MORE ABOUT THIS CONTAMINANT

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015N/A00N/A
2016ND10ND
2017ND80ND
2018ND30ND
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 Lab ID Result
2014-07-155806-026-0630ND
2014-07-165806-024-0740ND
2014-07-165806-022-0900ND
2014-07-165806-010-1050ND
2014-07-165806-009-0800ND
2014-07-165806-007-0920ND
2014-07-165806-006-0830ND
2014-07-175806-005-1435ND
2016-02-125806-026-0830ND
2017-05-025806-026-1110ND
2017-09-195806-006-0945ND
2017-09-195806-024-0835ND
2017-09-195806-022-1110ND
2017-09-195806-010-1255ND
2017-09-195806-009-0915ND
2017-09-195806-007-1135ND
2017-09-195806-005-1220ND
2018-03-195806-026-0855ND
2018-07-095806-026-1055ND
2018-10-095806-026-1010ND
2019-01-165806-026-0845ND
2019-02-205806-026-1030ND