Dalapon
Hidalgo County Municipal Utility District 1
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 |
|---|---|---|
| 2018-03-07 | AE17528 | ND |
| 2018-03-07 | AE17527 | ND |
| 2018-05-16 | AE26765 | ND |
| 2018-05-16 | AE26756 | ND |
| 2018-08-29 | AE38920 | ND |
| 2018-08-29 | AE38923 | ND |
| 2018-12-05 | AE48170 | ND |
| 2018-12-05 | AE48172 | ND |
| 2019-01-16 | AE50085 | ND |
| 2019-01-16 | AE50090 | ND |
| 2019-01-16 | AE50233 | ND |
| 2019-06-07 | AE69706 | ND |
| 2019-06-07 | AE69707 | ND |
| 2019-09-12 | AE83180 | ND |
| 2019-09-12 | AE83160 | ND |
| 2019-12-05 | AE91421 | ND |
| 2019-12-05 | AE91427 | ND |
| 2020-02-27 | AF00366 | ND |
| 2020-02-27 | AF00367 | ND |
| 2020-05-20 | AF12325 | ND |
| 2020-05-20 | AF12327 | ND |
| 2020-09-15 | AF27326 | ND |
| 2020-09-15 | AF27339 | ND |
| 2020-12-02 | AF36640 | ND |
| 2020-12-02 | AF36662 | ND |
| 2021-03-04 | AF45329 | ND |
| 2021-03-04 | AF45340 | ND |
| 2021-06-09 | AF57162 | ND |
| 2021-06-09 | AF57165 | ND |
| 2021-09-13 | AF69763 | ND |
| 2021-09-13 | AF69764 | ND |
| 2021-11-10 | AF76387 | ND |
| 2021-11-10 | AF76403 | ND |
| 2022-01-27 | AF82153 | ND |
| 2022-01-27 | AF82154 | ND |
| 2022-06-30 | AG02977 | ND |
| 2022-06-30 | AG02978 | ND |
| 2022-07-26 | AG06333 | ND |
| 2022-07-26 | AG06483 | ND |
| 2022-07-26 | AG06332 | ND |
| 2022-11-15 | AG18788 | ND |
| 2022-11-15 | AG18795 | ND |
| 2023-03-22 | AG33792 | ND |
| 2023-03-22 | AG33793 | ND |
| 2023-05-10 | AG39986 | ND |
| 2023-05-10 | AG39987 | ND |
| 2023-07-26 | AG50155 | ND |
| 2023-07-26 | AG50158 | ND |
| 2023-10-19 | AG60441 | ND |
| 2023-10-19 | AG60452 | ND |