Menu

EWG's Tap Water Database — 2019 UPDATE

Donate

Alachlor (Lasso)

Philadelphia Water Department

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

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND30ND
2013ND30ND
2014ND60ND
2015ND30ND
2016ND30ND
2017ND60ND

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
2012-04-306635466ND
2012-04-306635464ND
2012-04-306635465ND
2013-05-151027470001ND
2013-05-151027470003ND
2013-05-151027470002ND
2014-04-077422122ND
2014-04-077422120ND
2014-04-077422118ND
2014-08-197572176ND
2014-08-197572174ND
2014-08-197572178ND
2015-06-1012888368ND
2015-06-1012888320ND
2015-06-1012888344ND
2016-06-0314411762ND
2016-06-0314411737ND
2016-06-0314411712ND
2017-05-1616100991ND
2017-05-1616100966ND
2017-05-1616100941ND
2017-07-2416420629ND
2017-07-2416420604ND
2017-07-2416420579ND