Dalapon
Kirkmont Municipal Utility District
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
43
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 | ND | 4 | 0 | ND |
| 2020 | ND | 6 | 0 | ND |
| 2021 | 0.211 ppb | 9 | 1 | ND - 1.90 ppb |
| 2022 | 1.45 ppb | 11 | 3 | ND - 5.80 ppb |
| 2023 | 0.400 ppb | 9 | 1 | ND - 3.60 ppb |
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 |
|---|---|---|
| 2018-01-30 | AE11241 | ND |
| 2018-04-12 | AE22286 | ND |
| 2018-08-09 | AE36347 | ND |
| 2018-11-13 | AE45928 | ND |
| 2019-02-19 | AE54840 | ND |
| 2019-04-04 | AE61208 | ND |
| 2019-08-22 | AE80228 | ND |
| 2019-10-17 | AE86922 | ND |
| 2020-02-19 | AE98968 | ND |
| 2020-05-28 | AF13102 | ND |
| 2020-09-01 | AF26044 | ND |
| 2020-10-21 | AF31472 | ND |
| 2020-10-21 | AF31471 | ND |
| 2020-12-17 | AF38076 | ND |
| 2021-03-04 | AF45332 | ND |
| 2021-03-04 | AF45370 | ND |
| 2021-05-26 | AF55555 | ND |
| 2021-05-26 | AF55559 | ND |
| 2021-05-26 | AF55624 | ND |
| 2021-08-17 | AF66862 | ND |
| 2021-08-17 | AF66878 | ND |
| 2021-11-02 | AF75393 | 1.90 ppb |
| 2021-11-02 | AF75396 | ND |
| 2022-03-24 | AF90447 | ND |
| 2022-03-24 | AF90449 | ND |
| 2022-03-24 | AF90567 | 4.70 ppb |
| 2022-05-17 | AF97194 | ND |
| 2022-05-17 | AF97197 | ND |
| 2022-07-27 | AG06557 | ND |
| 2022-07-27 | AG06562 | ND |
| 2022-07-27 | AG06572 | 5.80 ppb |
| 2022-12-05 | AG20676 | ND |
| 2022-12-05 | AG20746 | 5.50 ppb |
| 2022-12-05 | AG20671 | ND |
| 2023-02-22 | AG29905 | ND |
| 2023-02-22 | AG29906 | ND |
| 2023-02-22 | AG30028 | 3.60 ppb |
| 2023-04-13 | AG36742 | ND |
| 2023-04-13 | AG36743 | ND |
| 2023-08-28 | AG54215 | ND |
| 2023-08-28 | AG54218 | ND |
| 2023-11-14 | AG63539 | ND |
| 2023-11-14 | AG63554 | ND |