Know Your Environment. Protect Your Health.

Alachlor (Lasso)

Terra Bella Irrigation District - Tbt

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

 

37

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND90ND
2019ND90ND
2020ND30ND
2021ND110ND
2022ND30ND
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

Date Lab ID Result
2018-09-24CA5410038_016_016-201809241335ND
2018-09-24CA5410038_020_020-201809241342ND
2018-09-24CA5410038_027_027-201809241445ND
2018-09-24CA5410038_024_024-201809241415ND
2018-09-24CA5410038_032_032-201809241300ND
2018-09-24CA5410038_002_002-201809241345ND
2018-09-24CA5410038_009_009-201809241354ND
2018-12-27CA5410038_032_032-201812271200ND
2018-12-27CA5410038_027_027-201812271250ND
2019-02-26CA5410038_032_032-201902261152ND
2019-02-26CA5410038_027_027-201902261318ND
2019-05-10CA5410038_027_027-201905101310ND
2019-05-10CA5410038_032_032-201905101155ND
2019-08-29CA5410038_032_032-201908291208ND
2019-08-29CA5410038_025_025-201908291300ND
2019-08-29CA5410038_027_027-201908291340ND
2019-11-21CA5410038_027_027-201911211338ND
2019-11-21CA5410038_032_032-201911211158ND
2020-08-27CA5410038_001_001-202008271300ND
2020-08-31CA5410038_009_009-202008311210ND
2020-12-29CA5410038_028_028-202012291250ND
2021-02-19CA5410038_027_027-202102191215ND
2021-02-19CA5410038_028_028-202102191125ND
2021-02-19CA5410038_032_032-202102191100ND
2021-05-27CA5410038_028_028-202105271235ND
2021-09-13CA5410038_020_020-202109131152ND
2021-09-13CA5410038_009_009-202109131205ND
2021-09-13CA5410038_002_002-202109131158ND
2021-09-13CA5410038_016_016-202109131140ND
2021-09-13CA5410038_028_028-202109131325ND
2021-09-13CA5410038_024_024-202109131244ND
2021-11-15CA5410038_028_028-202111151325ND
2022-03-29CA5410038_028_028-202203291115ND
2022-09-19CA5410038_028_028-202209191305ND
2022-09-19CA5410038_025_025-202209191232ND
2023-07-24CA5410038_001_001-202307241220ND
2023-12-04CA5410038_028_028-202312041315ND