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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Covington County Water Authority

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

MORE ABOUT THIS CONTAMINANT

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND20ND
2015N/A00N/A
2016ND100ND
2017ND20ND
2018N/A00N/A
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
2014-01-06140107004-1ND
2014-04-07140408064-1ND
2016-01-04160105030-3ND
2016-01-04160105030-5ND
2016-01-04160105030-4ND
2016-01-04160105030-2ND
2016-01-04160105030-1ND
2016-04-04160405094-2ND
2016-04-04160405094-4ND
2016-04-04160405094-3ND
2016-04-04160405094-1ND
2016-04-04160405094-5ND
2017-01-05170109016-1ND
2017-04-03170405080-1ND
2019-01-0719010197-001DND
2019-01-0719010197-002DND
2019-01-0719010197-003DND
2019-01-0719010197-005DND
2019-01-0719010197-004DND
2019-04-0119040053-004DND
2019-04-0119040053-001DND
2019-04-0119040053-002DND
2019-04-0119040053-003DND
2019-04-0119040053-005DND