Dalapon
Multi-county 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.
48
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 | 8 | 0 | ND |
| 2021 | 0.200 ppb | 8 | 1 | ND - 1.60 ppb |
| 2022 | ND | 8 | 0 | ND |
| 2023 | ND | 8 | 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 |
|---|---|---|
| 2018-02-05 | AE12155 | ND |
| 2018-02-05 | AE12149 | ND |
| 2018-06-14 | AE29989 | ND |
| 2018-06-14 | AE29988 | ND |
| 2018-09-19 | AE40683 | ND |
| 2018-09-19 | AE40685 | ND |
| 2018-12-11 | AE48502 | ND |
| 2018-12-11 | AE48503 | ND |
| 2019-03-14 | AE58410 | ND |
| 2019-03-14 | AE58411 | ND |
| 2019-06-19 | AE71283 | ND |
| 2019-06-19 | AE71285 | ND |
| 2019-09-11 | AE83001 | ND |
| 2019-09-11 | AE82959 | ND |
| 2019-12-10 | AE91878 | ND |
| 2019-12-10 | AE91880 | ND |
| 2020-02-25 | AE99714 | ND |
| 2020-02-25 | AE99722 | ND |
| 2020-06-11 | AF14932 | ND |
| 2020-06-11 | AF14933 | ND |
| 2020-08-13 | AF23437 | ND |
| 2020-08-13 | AF23438 | ND |
| 2020-12-03 | AF36353 | ND |
| 2020-12-03 | AF36354 | ND |
| 2021-03-08 | AF45633 | ND |
| 2021-03-08 | AF45638 | ND |
| 2021-04-29 | AF51783 | ND |
| 2021-04-29 | AF51784 | ND |
| 2021-08-23 | AF67342 | ND |
| 2021-09-20 | AF70379 | 1.60 ppb |
| 2021-12-13 | AF78572 | ND |
| 2021-12-13 | AF78573 | ND |
| 2022-03-21 | AF89750 | ND |
| 2022-03-21 | AF89752 | ND |
| 2022-06-23 | AG02107 | ND |
| 2022-06-23 | AG02108 | ND |
| 2022-09-21 | AG14088 | ND |
| 2022-09-21 | AG14090 | ND |
| 2022-12-08 | AG21264 | ND |
| 2022-12-08 | AG21265 | ND |
| 2023-03-20 | AG33436 | ND |
| 2023-03-20 | AG33437 | ND |
| 2023-06-02 | AG42891 | ND |
| 2023-06-02 | AG42893 | ND |
| 2023-09-19 | AG56817 | ND |
| 2023-09-19 | AG56818 | ND |
| 2023-12-12 | AG66314 | ND |
| 2023-12-12 | AG66317 | ND |