Dalapon
City of Freeport Slaughter Road
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
19
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 | 1 | 0 | ND |
| 2019 | ND | 2 | 0 | ND |
| 2020 | ND | 3 | 0 | ND |
| 2021 | ND | 4 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 4 | 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 |
|---|---|---|
| 2018-07-31 | AE35062 | ND |
| 2019-05-01 | AE64327 | ND |
| 2019-05-01 | AE64468 | ND |
| 2020-05-05 | AF09658 | ND |
| 2020-07-28 | AF21083 | ND |
| 2020-12-09 | AF37038 | ND |
| 2021-01-21 | AF40348 | ND |
| 2021-04-27 | AF51640 | ND |
| 2021-07-29 | AF64021 | ND |
| 2021-10-18 | AF73749 | ND |
| 2022-01-20 | AF80957 | ND |
| 2022-01-20 | AF81050 | ND |
| 2022-05-10 | AF96464 | ND |
| 2022-09-08 | AG12047 | ND |
| 2022-10-20 | AG17796 | ND |
| 2023-02-02 | AG27155 | ND |
| 2023-04-12 | AG36472 | ND |
| 2023-08-09 | AG52103 | ND |
| 2023-11-17 | AG64178 | ND |