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EWG's Tap Water Database — 2021 UPDATE

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Alachlor (Lasso)

Ambler Boro Water Dept

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

 

12

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
2014ND20ND
2015N/A00N/A
2016N/A00N/A
2017ND100ND
2018N/A00N/A
2019N/A00N/A

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
2014-03-191077379001ND
2014-06-202013917001ND
2017-02-1415793209ND
2017-02-1415793553ND
2017-02-1415793510ND
2017-02-1415793467ND
2017-02-1415793295ND
2017-02-1415793381ND
2017-02-1415793338ND
2017-02-1415793252ND
2017-02-1415793424ND
2017-02-1415793166ND