Alachlor (Lasso)
City of Nampa
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
59
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 12 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 12 | 0 | ND |
| 2022 | ND | 21 | 0 | ND |
| 2023 | ND | 9 | 0 | ND |
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 |
|---|---|---|
| 2018-10-08 | S1850028 | ND |
| 2019-08-15 | S1940600 | ND |
| 2019-08-15 | S1940599 | ND |
| 2019-09-17 | S1946663 | ND |
| 2019-09-17 | S1946664 | ND |
| 2019-09-17 | S1946661 | ND |
| 2019-09-17 | S1946666 | ND |
| 2019-09-17 | S1946665 | ND |
| 2019-09-18 | S1947017 | ND |
| 2019-09-18 | S1947010 | ND |
| 2019-09-18 | S1947008 | ND |
| 2019-09-18 | S1947009 | ND |
| 2019-09-18 | S1947007 | ND |
| 2020-02-12 | S2006566 | ND |
| 2020-07-14 | S2033050 | ND |
| 2020-10-01 | S2049166 | ND |
| 2020-10-19 | S2052617 | ND |
| 2021-02-08 | S2105827 | ND |
| 2021-02-08 | S2105826 | ND |
| 2021-02-08 | S2105824 | ND |
| 2021-02-08 | S2105828 | ND |
| 2021-02-08 | S2105829 | ND |
| 2021-03-08 | S2110611 | ND |
| 2021-03-08 | S2110613 | ND |
| 2021-03-08 | S2110615 | ND |
| 2021-04-21 | S2118306 | ND |
| 2021-04-21 | S2118309 | ND |
| 2021-04-21 | S2118307 | ND |
| 2021-11-09 | S2160872 | ND |
| 2022-02-02 | S2205301 | ND |
| 2022-02-02 | S2205304 | ND |
| 2022-06-09 | S2227610 | ND |
| 2022-08-18 | S2240737 | ND |
| 2022-08-18 | S2240738 | ND |
| 2022-08-18 | S2240734 | ND |
| 2022-08-18 | S2240733 | ND |
| 2022-08-18 | S2240732 | ND |
| 2022-08-18 | S2240731 | ND |
| 2022-08-19 | S2240998 | ND |
| 2022-08-19 | S2240997 | ND |
| 2022-08-19 | S2240996 | ND |
| 2022-08-19 | S2240995 | ND |
| 2022-11-16 | S2256980 | ND |
| 2022-11-16 | S2256971 | ND |
| 2022-11-16 | S2256972 | ND |
| 2022-11-16 | S2256973 | ND |
| 2022-11-16 | S2256974 | ND |
| 2022-11-16 | S2256976 | ND |
| 2022-11-16 | S2256977 | ND |
| 2022-11-16 | S2256978 | ND |
| 2023-01-04 | SMDA0147-01 | ND |
| 2023-02-01 | S2302073-01 | ND |
| 2023-05-17 | S2309616-01 | ND |
| 2023-05-17 | S2309616-02 | ND |
| 2023-05-17 | S2309616-03 | ND |
| 2023-08-03 | S2316312-01 | ND |
| 2023-08-03 | S2316312-02 | ND |
| 2023-10-31 | S2323606-01 | ND |
| 2023-11-30 | S2325655-01 | ND |