Dalapon
El Oso Water Supply Corporation
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
51
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 | 8 | 0 | ND |
| 2020 | ND | 10 | 0 | ND |
| 2021 | ND | 8 | 0 | ND |
| 2022 | ND | 7 | 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 |
|---|---|---|
| 2018-01-24 | AE10141 | ND |
| 2018-01-24 | AE10140 | ND |
| 2018-04-17 | AE22993 | ND |
| 2018-04-17 | AE22989 | ND |
| 2018-07-27 | AE34843 | ND |
| 2018-07-27 | AE34846 | ND |
| 2018-10-22 | AE44086 | ND |
| 2018-10-22 | AE44087 | ND |
| 2019-02-19 | AE54837 | ND |
| 2019-02-19 | AE54838 | ND |
| 2019-04-01 | AE60646 | ND |
| 2019-04-01 | AE60648 | ND |
| 2019-07-11 | AE74104 | ND |
| 2019-07-11 | AE74097 | ND |
| 2019-11-15 | AE89531 | ND |
| 2019-11-15 | AE89534 | ND |
| 2020-03-19 | AF03779 | ND |
| 2020-03-19 | AF03780 | ND |
| 2020-03-19 | AF03869 | ND |
| 2020-03-19 | AF03870 | ND |
| 2020-06-09 | AF14626 | ND |
| 2020-06-09 | AF14627 | ND |
| 2020-09-11 | AF27342 | ND |
| 2020-09-11 | AF27343 | ND |
| 2020-11-13 | AF34586 | ND |
| 2020-11-13 | AF34584 | ND |
| 2021-01-26 | AF41045 | ND |
| 2021-01-26 | AF41048 | ND |
| 2021-06-15 | AF58059 | ND |
| 2021-06-15 | AF58060 | ND |
| 2021-09-08 | AF69099 | ND |
| 2021-09-08 | AF69102 | ND |
| 2021-12-10 | AF78628 | ND |
| 2021-12-10 | AF78629 | ND |
| 2022-03-10 | AF88638 | ND |
| 2022-03-10 | AF88639 | ND |
| 2022-06-24 | AG02348 | ND |
| 2022-06-24 | AG02352 | ND |
| 2022-09-08 | AG12064 | ND |
| 2022-09-08 | AG12065 | ND |
| 2022-12-30 | AG23216 | ND |
| 2023-02-16 | AG29317 | ND |
| 2023-02-16 | AG29318 | ND |
| 2023-02-16 | AG29423 | ND |
| 2023-02-16 | AG29427 | ND |
| 2023-03-29 | AG34765 | ND |
| 2023-06-01 | AG42774 | ND |
| 2023-06-01 | AG42776 | ND |
| 2023-09-27 | AG57751 | ND |
| 2023-09-27 | AG57752 | ND |
| 2023-12-22 | AG67344 | ND |