Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Decatur Waterworks

NOTE: Decatur Waterworks purchases water from Benton - Washington Regional Public Water Authority which is required to test for alachlor (lasso). Sample information shown below was taken by Benton - Washington Regional Public Water Authority.

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

 

6

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND30ND
2019N/A00N/A
2020ND20ND
2021ND10ND
2022N/A00N/A
2023ND20ND

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

NOTE: Decatur Waterworks purchases water from Benton - Washington Regional Public Water Authority which is required to test for alachlor (lasso). Sample information shown below was taken by Benton - Washington Regional Public Water Authority.

Date Lab ID Result
2018-01-2418025006101ND
2018-02-2718059002001ND
2020-01-0720008000406ND
2020-06-2420177002601ND
2023-01-02O204668-OGC-1ND
2023-04-11O207787-OGC-1ND