Dalapon
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 dalapon. Sample information shown below was taken by Regional Water Authority.
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
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): 200 ppb
The legal limit for dalapon, established in 1992, was based on a toxicity study in laboratory animals published in 1960.
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 dalapon. 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 300210823 | ND |
| 2022-07-11 | S300210156 300210157 | ND |
| 2022-07-11 | S300210164 300210165 | ND |
| 2022-07-11 | S300210651 300210652 | ND |
| 2022-07-11 | S300210659 300210660 | ND |
| 2022-07-12 | S300211086 300211087 | ND |
| 2022-07-12 | S300211076 300211077 | ND |
| 2022-07-12 | S300211068 300211069 | ND |
| 2022-07-13 | S300212413 300212414 | ND |
| 2022-07-13 | S300212421 300212422 | ND |
| 2022-07-14 | S300212957 300212958 | ND |
| 2022-10-17 | S300258850 300258851 | ND |
| 2022-10-17 | 300258850 300258851B | ND |
| 2022-10-17 | 300258858 300258859B | ND |
| 2022-10-17 | S300258858 300258859 | ND |
| 2022-10-18 | S300259358 300259359 | ND |
| 2022-10-18 | S300258921 300258922 | ND |
| 2022-10-18 | 300258921 300258922B | ND |
| 2022-10-18 | 300259358 300259359B | ND |
| 2022-10-18 | S300259350 300259351 | ND |
| 2022-10-18 | 300259350 300259351B | ND |
| 2022-10-18 | 300258913 300258914B | ND |
| 2022-10-18 | S300258913 300258914 | ND |
| 2022-10-19 | S300259930 300259933 | ND |
| 2022-10-19 | 300259930 300259933B | ND |
| 2022-10-19 | 300259940 300259941B | ND |
| 2022-10-19 | S300259940 300259941 | ND |
| 2022-10-19 | S300260499 300260500 | ND |
| 2022-10-19 | 300260499 300260500B | ND |
| 2022-10-19 | 300260507 300260508B | ND |
| 2022-10-19 | S300260507 300260508 | ND |
| 2022-12-06 | S300281400 300281401 | ND |