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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Darlington County W&SA

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

 

7

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND30ND
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018ND20ND
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
2014-09-15AD45460ND
2014-09-15AD45461ND
2014-09-15AD45464ND
2018-07-17AE15134ND
2018-11-01AE20719ND
2019-03-21AE27531ND
2019-05-08AE30033ND