Dalapon
City of Santa Rosa
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
33
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 | 5 | 0 | ND |
| 2019 | ND | 5 | 0 | ND |
| 2020 | ND | 4 | 0 | ND |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 5 | 0 | ND |
| 2023 | ND | 9 | 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 |
|---|---|---|
| 2018-01-31 | AE11558 | ND |
| 2018-03-19 | AE18926 | ND |
| 2018-04-27 | AE24377 | ND |
| 2018-07-27 | AE34918 | ND |
| 2018-10-12 | AE43446 | ND |
| 2019-02-28 | AE56557 | ND |
| 2019-03-25 | AE59801 | ND |
| 2019-05-09 | AE65691 | ND |
| 2019-07-19 | AE75316 | ND |
| 2019-10-21 | AE87059 | ND |
| 2020-03-19 | AF03782 | ND |
| 2020-03-19 | AF03861 | ND |
| 2020-07-24 | AF20666 | ND |
| 2020-10-06 | AF29670 | ND |
| 2021-03-11 | AF46705 | ND |
| 2021-05-10 | AF53067 | ND |
| 2021-05-10 | AF52971 | ND |
| 2021-09-22 | AF70802 | ND |
| 2021-12-08 | AF78329 | ND |
| 2022-01-31 | AF82549 | ND |
| 2022-01-31 | AF82654 | ND |
| 2022-04-13 | AF93355 | ND |
| 2022-09-28 | AG15248 | ND |
| 2022-12-05 | AG20686 | ND |
| 2023-03-10 | AG32654 | ND |
| 2023-03-10 | AG32659 | ND |
| 2023-05-19 | AG41484 | ND |
| 2023-05-19 | AG41485 | ND |
| 2023-07-19 | AG49269 | ND |
| 2023-07-19 | AG49273 | ND |
| 2023-07-19 | AG49427 | ND |
| 2023-10-18 | AG60250 | ND |
| 2023-10-18 | AG60251 | ND |