Dalapon
City of Caldwell
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
26
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 | N/A | 0 | 0 | N/A |
| 2019 | ND | 9 | 0 | ND |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | ND | 5 | 0 | ND |
| 2022 | ND | 12 | 0 | ND |
| 2023 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2019-08-06 | S1938597 | ND |
| 2019-08-06 | S1938599 | ND |
| 2019-08-06 | S1938601 | ND |
| 2019-08-06 | S1938594 | ND |
| 2019-08-06 | S1938591 | ND |
| 2019-08-06 | S1938593 | ND |
| 2019-08-19 | S1941181 | ND |
| 2019-08-19 | S1941172 | ND |
| 2019-08-19 | S1941179 | ND |
| 2021-06-30 | S2132702 | ND |
| 2021-10-28 | S2158342 | ND |
| 2021-10-28 | S2158341 | ND |
| 2021-10-28 | S2158343 | ND |
| 2021-11-15 | S2162154 | ND |
| 2022-06-29 | S2231081 | ND |
| 2022-07-06 | S2231994 | ND |
| 2022-07-06 | S2231993 | ND |
| 2022-07-06 | S2232001 | ND |
| 2022-07-13 | S2233509 | ND |
| 2022-10-12 | S2251056 | ND |
| 2022-10-12 | S2251055 | ND |
| 2022-10-12 | S2251041 | ND |
| 2022-10-12 | S2251030 | ND |
| 2022-10-19 | S2252265 | ND |
| 2022-10-19 | S2252264 | ND |
| 2022-10-19 | S2252266 | ND |