Dalapon
City of Bridge City
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
54
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 | 10 | 0 | ND |
| 2019 | ND | 8 | 0 | ND |
| 2020 | ND | 10 | 0 | ND |
| 2021 | ND | 8 | 0 | ND |
| 2022 | ND | 8 | 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 |
|---|---|---|
| 2018-02-21 | AE15020 | ND |
| 2018-02-21 | AE15007 | ND |
| 2018-05-03 | AE25024 | ND |
| 2018-05-03 | AE25010 | ND |
| 2018-08-09 | AE36294 | ND |
| 2018-08-09 | AE36296 | ND |
| 2018-09-05 | AE39203 | ND |
| 2018-09-05 | AE39204 | ND |
| 2018-11-05 | AE45232 | ND |
| 2018-11-05 | AE45233 | ND |
| 2019-01-24 | AE51200 | ND |
| 2019-01-24 | AE51201 | ND |
| 2019-04-10 | AE61796 | ND |
| 2019-04-10 | AE61803 | ND |
| 2019-07-01 | AE72760 | ND |
| 2019-07-01 | AE72761 | ND |
| 2019-10-01 | AE85313 | ND |
| 2019-10-01 | AE85338 | ND |
| 2020-02-03 | AE96527 | ND |
| 2020-02-03 | AE96528 | ND |
| 2020-02-03 | AE96634 | ND |
| 2020-02-03 | AE96635 | ND |
| 2020-05-07 | AF09994 | ND |
| 2020-05-07 | AF09999 | ND |
| 2020-08-20 | AF24525 | ND |
| 2020-08-20 | AF24526 | ND |
| 2020-10-08 | AF29974 | ND |
| 2020-10-08 | AF29973 | ND |
| 2021-02-24 | AF44151 | ND |
| 2021-02-24 | AF44152 | ND |
| 2021-04-22 | AF51080 | ND |
| 2021-04-22 | AF51081 | ND |
| 2021-08-18 | AF66856 | ND |
| 2021-08-18 | AF66857 | ND |
| 2021-10-06 | AF72395 | ND |
| 2021-10-06 | AF72397 | ND |
| 2022-01-26 | AF81875 | ND |
| 2022-01-26 | AF81876 | ND |
| 2022-04-19 | AF93627 | ND |
| 2022-04-19 | AF93630 | ND |
| 2022-07-27 | AG06553 | ND |
| 2022-07-27 | AG06556 | ND |
| 2022-10-12 | AG16892 | ND |
| 2022-10-12 | AG16895 | ND |
| 2023-02-21 | AG29615 | ND |
| 2023-02-21 | AG29623 | ND |
| 2023-02-21 | AG29769 | ND |
| 2023-02-21 | AG29770 | ND |
| 2023-05-11 | AG40285 | ND |
| 2023-05-11 | AG40286 | ND |
| 2023-08-29 | AG54504 | ND |
| 2023-08-29 | AG54506 | ND |
| 2023-11-09 | AG63047 | ND |
| 2023-11-09 | AG63059 | ND |