Dalapon
City of Gonzales
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
52
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 | 8 | 0 | ND |
| 2019 | ND | 9 | 0 | ND |
| 2020 | ND | 9 | 0 | ND |
| 2021 | ND | 8 | 0 | ND |
| 2022 | ND | 9 | 0 | ND |
| 2023 | ND | 9 | 0 | ND |
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 |
|---|---|---|
| 2018-02-08 | AE13001 | ND |
| 2018-02-08 | AE12982 | ND |
| 2018-05-03 | AE25005 | ND |
| 2018-05-03 | AE24994 | ND |
| 2018-08-16 | AE37311 | ND |
| 2018-08-16 | AE37312 | ND |
| 2018-12-12 | AE48631 | ND |
| 2018-12-12 | AE48638 | ND |
| 2019-03-05 | AE57118 | ND |
| 2019-03-05 | AE57120 | ND |
| 2019-03-05 | AE57202 | ND |
| 2019-04-02 | AE60852 | ND |
| 2019-04-02 | AE60854 | ND |
| 2019-07-12 | AE74350 | ND |
| 2019-07-12 | AE74333 | ND |
| 2019-10-14 | AE86435 | ND |
| 2019-10-14 | AE86436 | ND |
| 2020-01-21 | AE94303 | ND |
| 2020-01-21 | AE94305 | ND |
| 2020-01-21 | AE94447 | ND |
| 2020-04-13 | AF06458 | ND |
| 2020-04-13 | AF06459 | ND |
| 2020-07-07 | AF18306 | ND |
| 2020-07-07 | AF18307 | ND |
| 2020-11-13 | AF34875 | ND |
| 2020-11-13 | AF34877 | ND |
| 2021-01-13 | AF39102 | ND |
| 2021-01-13 | AF39105 | ND |
| 2021-04-01 | AF48814 | ND |
| 2021-04-01 | AF48815 | ND |
| 2021-09-02 | AF68726 | ND |
| 2021-09-02 | AF68728 | ND |
| 2021-11-08 | AF75976 | ND |
| 2021-11-08 | AF75993 | ND |
| 2022-03-11 | AF88881 | ND |
| 2022-03-11 | AF88882 | ND |
| 2022-03-11 | AF88962 | ND |
| 2022-06-22 | AG01904 | ND |
| 2022-06-22 | AG01906 | ND |
| 2022-09-30 | AG15662 | ND |
| 2022-09-30 | AG15677 | ND |
| 2022-12-09 | AG21484 | ND |
| 2022-12-09 | AG21485 | ND |
| 2023-02-27 | AG30536 | ND |
| 2023-02-27 | AG30537 | ND |
| 2023-02-27 | AG30668 | ND |
| 2023-06-28 | AG46431 | ND |
| 2023-06-28 | AG46432 | ND |
| 2023-09-11 | AG55538 | ND |
| 2023-09-11 | AG55540 | ND |
| 2023-11-28 | AG64587 | ND |
| 2023-11-28 | AG64589 | ND |