Dalapon
Castroville Community Services District
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
11
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 | 4 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 4 | 0 | ND |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | ND | 3 | 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 |
|---|---|---|
| 2018-07-09 | CA2710005_005_005-201807090900 | ND |
| 2018-07-09 | CA2710005_009_009-201807090940 | ND |
| 2018-07-09 | CA2710005_003_003-201807090930 | ND |
| 2018-07-09 | CA2710005_004_004-201807090835 | ND |
| 2021-01-19 | CA2710005_003_003-202101190942 | ND |
| 2021-01-19 | CA2710005_004_004-202101191035 | ND |
| 2021-01-19 | CA2710005_005_005-202101191010 | ND |
| 2021-01-19 | CA2710005_009_009-202101190935 | ND |
| 2023-01-18 | CA2710005_003_003-202301180900 | ND |
| 2023-01-18 | CA2710005_009_009-202301180900 | ND |
| 2023-01-30 | CA2710005_005_005-202301300900 | ND |