Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Pittsburgh Water & Sewer Authority

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

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND10ND
2020ND30ND
2021ND10ND
2022N/A00N/A
2023ND30ND

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-04-188044653-01ND
2019-04-029042623-01ND
2020-04-0222117036.00ND
2020-07-0822699934.00ND
2020-09-1623088740.00ND
2021-04-2024339770.00ND
2023-05-2229205329.00ND
2023-10-3029978280.00ND
2023-10-3029978281.00ND