Dalapon
City of Giddings
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
24
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 | 2 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 2 | 0 | ND |
| 2022 | ND | 4 | 0 | ND |
| 2023 | ND | 10 | 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 |
|---|---|---|
| 2018-06-14 | AE29997 | ND |
| 2018-06-14 | AE29995 | ND |
| 2019-05-01 | AE64302 | ND |
| 2019-05-01 | AE64303 | ND |
| 2020-06-15 | AF15196 | ND |
| 2020-06-15 | AF15199 | ND |
| 2020-06-15 | AF15248 | ND |
| 2020-06-15 | AF15253 | ND |
| 2021-05-06 | AF52719 | ND |
| 2021-05-06 | AF52720 | ND |
| 2022-09-23 | AG14621 | ND |
| 2022-09-23 | AG14622 | ND |
| 2022-12-08 | AG21261 | ND |
| 2022-12-08 | AG21262 | ND |
| 2023-03-01 | AG30954 | ND |
| 2023-03-01 | AG30955 | ND |
| 2023-03-01 | AG30979 | ND |
| 2023-03-01 | AG30983 | ND |
| 2023-06-06 | AG43208 | ND |
| 2023-06-06 | AG43211 | ND |
| 2023-08-16 | AG52798 | ND |
| 2023-08-16 | AG52800 | ND |
| 2023-12-05 | AG65433 | ND |
| 2023-12-05 | AG65434 | ND |