Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Collegeville Trappe Joint Public Works Department

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

 

41

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
2020ND200ND
2021N/A00N/A
2022N/A00N/A
2023ND210ND

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
2020-05-0422213301.00ND
2020-05-0422213271.00ND
2020-05-0422213241.00ND
2020-05-1822213568.00ND
2020-05-1822213538.00ND
2020-05-1822213505.00ND
2020-05-1822213475.00ND
2020-06-0822414093.00ND
2020-06-0822414123.00ND
2020-06-0822414153.00ND
2020-08-0322797362.00ND
2020-08-0322797332.00ND
2020-08-0322797497.00ND
2020-08-0322797273.00ND
2020-08-0322797302.00ND
2020-08-1722797760.00ND
2020-08-1722797819.00ND
2020-08-1722797877.00ND
2020-08-1722797848.00ND
2020-08-1722797790.00ND
2023-04-1728700851.00ND
2023-04-1728700852.00ND
2023-04-1728700849.00ND
2023-04-1728700853.00ND
2023-04-1728700850.00ND
2023-04-1728700854.00ND
2023-05-0128898950.00ND
2023-05-0128898953.00ND
2023-05-0128898952.00ND
2023-05-0128898951.00ND
2023-07-2429495809.00ND
2023-07-2429495804.00ND
2023-07-2429495803.00ND
2023-07-2429495802.00ND
2023-07-2429495810.00ND
2023-07-2429495808.00ND
2023-08-0729495801.00ND
2023-08-0729495807.00ND
2023-08-0729495806.00ND
2023-08-0729495805.00ND
2023-11-2030070250.00ND