Dalapon
City Of Brazoria
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
50
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 | 8 | 0 | ND |
| 2020 | ND | 9 | 0 | ND |
| 2021 | ND | 8 | 0 | ND |
| 2022 | ND | 8 | 0 | ND |
| 2023 | 0.267 ppb | 9 | 2 | ND - 1.40 ppb |
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 |
|---|---|---|
| 2018-02-20 | AE14374 | ND |
| 2018-02-20 | AE14371 | ND |
| 2018-06-06 | AE28821 | ND |
| 2018-06-06 | AE28813 | ND |
| 2018-08-21 | AE38095 | ND |
| 2018-08-21 | AE38098 | ND |
| 2018-11-07 | AE45605 | ND |
| 2018-11-07 | AE45607 | ND |
| 2019-01-16 | AE50103 | ND |
| 2019-01-16 | AE50104 | ND |
| 2019-04-17 | AE62723 | ND |
| 2019-04-17 | AE62726 | ND |
| 2019-07-11 | AE74096 | ND |
| 2019-07-11 | AE74107 | ND |
| 2019-11-05 | AE88448 | ND |
| 2019-11-05 | AE88450 | ND |
| 2020-02-05 | AE97038 | ND |
| 2020-02-05 | AE97078 | ND |
| 2020-04-30 | AF08900 | ND |
| 2020-04-30 | AF08903 | ND |
| 2020-04-30 | AF08969 | ND |
| 2020-07-13 | AF19108 | ND |
| 2020-07-13 | AF19124 | ND |
| 2020-10-06 | AF29658 | ND |
| 2020-10-06 | AF29659 | ND |
| 2021-01-12 | AF38809 | ND |
| 2021-01-12 | AF38810 | ND |
| 2021-04-21 | AF50869 | ND |
| 2021-04-21 | AF50871 | ND |
| 2021-08-05 | AF65052 | ND |
| 2021-08-05 | AF65053 | ND |
| 2021-10-28 | AF75031 | ND |
| 2021-10-28 | AF75033 | ND |
| 2022-01-19 | AF80700 | ND |
| 2022-01-19 | AF80704 | ND |
| 2022-04-07 | AF92399 | ND |
| 2022-04-07 | AF92400 | ND |
| 2022-09-20 | AG14117 | ND |
| 2022-09-20 | AG14115 | ND |
| 2022-10-18 | AG17365 | ND |
| 2022-10-18 | AG17370 | ND |
| 2023-02-16 | AG29312 | ND |
| 2023-02-16 | AG29314 | ND |
| 2023-06-14 | AG44584 | ND |
| 2023-06-29 | AG46722 | 1.40 ppb |
| 2023-06-29 | AG46723 | 1.000 ppb |
| 2023-09-05 | AG54799 | ND |
| 2023-09-05 | AG54822 | ND |
| 2023-10-25 | AG61018 | ND |
| 2023-10-25 | AG61020 | ND |