Dalapon
City of La Joya
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 | 9 | 0 | ND |
| 2020 | ND | 8 | 0 | ND |
| 2021 | ND | 8 | 0 | ND |
| 2022 | ND | 9 | 0 | ND |
| 2023 | ND | 8 | 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 |
|---|---|---|
| 2018-03-08 | AE17496 | ND |
| 2018-03-08 | AE17495 | ND |
| 2018-06-11 | AE29778 | ND |
| 2018-06-11 | AE29775 | ND |
| 2018-08-28 | AE38660 | ND |
| 2018-08-28 | AE38664 | ND |
| 2018-12-05 | AE48177 | ND |
| 2018-12-05 | AE48183 | ND |
| 2019-01-17 | AE50380 | ND |
| 2019-01-17 | AE50381 | ND |
| 2019-01-17 | AE50460 | ND |
| 2019-06-07 | AE69704 | ND |
| 2019-06-07 | AE69705 | ND |
| 2019-09-13 | AE83532 | ND |
| 2019-09-13 | AE83525 | ND |
| 2019-12-06 | AE91845 | ND |
| 2019-12-06 | AE91865 | ND |
| 2020-03-10 | AF02238 | ND |
| 2020-03-10 | AF02239 | ND |
| 2020-05-20 | AF12359 | ND |
| 2020-05-20 | AF12360 | ND |
| 2020-08-27 | AF25597 | ND |
| 2020-08-27 | AF25599 | ND |
| 2020-12-02 | AF36635 | ND |
| 2020-12-02 | AF36637 | ND |
| 2021-03-03 | AF45072 | ND |
| 2021-03-03 | AF45074 | ND |
| 2021-06-09 | AF57166 | ND |
| 2021-06-09 | AF57167 | ND |
| 2021-09-17 | AF70605 | ND |
| 2021-09-17 | AF70606 | ND |
| 2021-11-19 | AF77198 | ND |
| 2021-11-19 | AF77202 | ND |
| 2022-01-27 | AF82148 | ND |
| 2022-01-27 | AF82155 | ND |
| 2022-06-30 | AG02982 | ND |
| 2022-06-30 | AG02984 | ND |
| 2022-08-17 | AG09782 | ND |
| 2022-08-17 | AG09667 | ND |
| 2022-09-27 | AG14982 | ND |
| 2022-12-07 | AG21300 | ND |
| 2022-12-07 | AG21301 | ND |
| 2023-03-22 | AG33782 | ND |
| 2023-03-22 | AG33783 | ND |
| 2023-05-12 | AG40610 | ND |
| 2023-05-12 | AG40611 | ND |
| 2023-07-27 | AG50338 | ND |
| 2023-07-27 | AG50340 | ND |
| 2023-11-02 | AG62148 | ND |
| 2023-11-02 | AG62153 | ND |