Dalapon
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.
54
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 22 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | ND | 32 | 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
| 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 |