Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Altoona Water Authority

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

 

22

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019N/A00N/A
2020ND120ND
2021N/A00N/A
2022N/A00N/A
2023ND100ND

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
2020-05-1822286940.00ND
2020-05-1822286913.00ND
2020-05-1822286967.00ND
2020-05-2122483942.00ND
2020-05-2122483996.00ND
2020-05-2122483968.00ND
2020-07-1522676323.00ND
2020-07-1522676350.00ND
2020-07-1522676156.00ND
2020-07-1622869597.00ND
2020-07-1622676404.00ND
2020-07-1622676377.00ND
2023-05-0328974769.00ND
2023-05-0328974802.00ND
2023-05-0428974709.00ND
2023-05-2328975139.00ND
2023-05-2529180133.00ND
2023-08-0229571019.00ND
2023-08-0229570998.00ND
2023-08-0329571058.00ND
2023-08-0329571079.00ND
2023-08-1029571111.00ND