Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Summit Township Water Authority

NOTE: Summit Township Water Authority purchases water from Erie City Water Authority which is required to test for alachlor (lasso). Sample information shown below was taken by Erie City Water Authority.

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

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND10ND
2019ND40ND
2020ND60ND
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

NOTE: Summit Township Water Authority purchases water from Erie City Water Authority which is required to test for alachlor (lasso). Sample information shown below was taken by Erie City Water Authority.

Date Lab ID Result
2018-01-083849233ND
2018-05-213941492ND
2018-08-214030511ND
2019-05-214302818ND
2019-09-104415501ND
2019-11-184489098ND
2020-04-0122141732.00ND
2020-05-1822336508.00ND
2020-08-2622923676.00ND
2020-09-2323112747.00ND
2021-05-1924561622.00ND
2023-04-0428826008.00ND
2023-04-1828826410.00ND
2023-08-0929625446.00ND
2023-09-1429816663.00ND