Alachlor (Lasso)
Aquarion Water Company of Connecticut - Valley System
NOTE: Aquarion Water Company of Connecticut - Valley System purchases water from Regional Water Authority which is required to test for alachlor (lasso). Sample information shown below was taken by Regional Water Authority.
Alachlor is a widely used agricultural herbicide. It causes cancer in laboratory animals and may be carcinogenic to people.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 6 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 6 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
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: Aquarion Water Company of Connecticut - Valley System purchases water from Regional Water Authority which is required to test for alachlor (lasso). Sample information shown below was taken by Regional Water Authority.
| Date | Lab ID | Result |
|---|---|---|
| 2019-05-08 | SOC 200531300 | ND |
| 2019-05-28 | SOC 200533720 | ND |
| 2019-05-28 | SOC 200533719 | ND |
| 2019-05-28 | SOC 200533803 | ND |
| 2019-05-28 | SOC 200533804 | ND |
| 2019-05-28 | SOC 200533660 | ND |
| 2019-05-28 | SOC 200533659 | ND |
| 2019-05-29 | SOC 200533881 | ND |
| 2019-05-29 | SOC 200533880 | ND |
| 2019-05-29 | SOC 200533867 | ND |
| 2019-05-29 | SOC 200533868 | ND |
| 2019-08-26 | SOC 200546197 | ND |
| 2019-08-26 | SOC 200546198 | ND |
| 2019-08-26 | SOC 200546200 | ND |
| 2019-08-27 | SOC 200546267 | ND |
| 2019-08-27 | SOC 200546303 | ND |
| 2019-08-27 | SOC 200546302 | ND |
| 2019-08-27 | SOC 200546268 | ND |
| 2019-08-28 | SOC 200546738 | ND |
| 2019-08-28 | SOC 200546737 | ND |
| 2019-08-28 | SOC 200546736 | ND |
| 2019-08-28 | SOC 200546553 | ND |
| 2022-07-11 | S300210822 300210824 | ND |
| 2022-07-11 | S300210156 300210158 | ND |
| 2022-07-11 | S300210164 300210166 | ND |
| 2022-07-11 | S300210651 300210653 | ND |
| 2022-07-11 | S300210659 300210661 | ND |
| 2022-07-12 | S300211086 300211088 | ND |
| 2022-07-12 | S300211076 300211078 | ND |
| 2022-07-12 | S300211068 300211070 | ND |
| 2022-07-13 | S300212413 300212415 | ND |
| 2022-07-13 | S300212421 300212423 | ND |
| 2022-07-14 | S300212957 300212959 | ND |
| 2022-10-17 | S300258850 300258852 | ND |
| 2022-10-17 | 300258850 300258852B | ND |
| 2022-10-17 | 300258858 300258860B | ND |
| 2022-10-17 | S300258858 300258860 | ND |
| 2022-10-18 | S300259358 300259360 | ND |
| 2022-10-18 | S300258921 300258923 | ND |
| 2022-10-18 | 300258921 300258923B | ND |
| 2022-10-18 | 300259358 300259360B | ND |
| 2022-10-18 | S300259350 300259352 | ND |
| 2022-10-18 | 300259350 300259352B | ND |
| 2022-10-18 | 300258913 300258915B | ND |
| 2022-10-18 | S300258913 300258915 | ND |
| 2022-10-19 | S300259930 300259934 | ND |
| 2022-10-19 | 300259930 300259934B | ND |
| 2022-10-19 | 300259940 300259942B | ND |
| 2022-10-19 | S300259940 300259942 | ND |
| 2022-10-19 | S300260499 300260501 | ND |
| 2022-10-19 | 300260499 300260501B | ND |
| 2022-10-19 | 300260507 300260509B | ND |
| 2022-10-19 | S300260507 300260509 | ND |
| 2022-12-06 | S300281400 300281402 | ND |