Dalapon
Walnut Grove Utilities
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
66
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 | 13 | 0 | ND |
| 2020 | ND | 7 | 0 | ND |
| 2021 | ND | 14 | 0 | ND |
| 2022 | ND | 8 | 0 | ND |
| 2023 | ND | 19 | 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 |
|---|---|---|
| 2018-06-12 | 680-153971-1 | ND |
| 2018-06-13 | 680-154051-1 | ND |
| 2018-07-03 | 680-154927-1 | ND |
| 2018-07-10 | 680-155198-1 | ND |
| 2018-10-16 | 680-159419-1 | ND |
| 2019-02-26 | 680-165150-1 | ND |
| 2019-02-26 | 680-165155-1 | ND |
| 2019-03-05 | 680-165488-1 | ND |
| 2019-03-05 | 680-165490-1 | ND |
| 2019-03-12 | 680-165969-1 | ND |
| 2019-04-02 | 680-167058-1 | ND |
| 2019-04-02 | 680-167063-1 | ND |
| 2019-04-09 | 680-167500-1 | ND |
| 2019-04-09 | 680-167502-1 | ND |
| 2019-07-16 | 680-171849-1 | ND |
| 2019-07-16 | 680-171850-1 | ND |
| 2019-08-07 | 680-172766-1 | ND |
| 2019-08-07 | 680-172772-1 | ND |
| 2020-03-11 | 481035 | ND |
| 2020-03-12 | 481037 | ND |
| 2020-06-11 | 488369 | ND |
| 2020-09-02 | 497133 | ND |
| 2020-09-02 | 497129 | ND |
| 2020-11-17 | 504183 | ND |
| 2020-11-17 | 504181 | ND |
| 2021-03-18 | 1034634-01 | ND |
| 2021-03-18 | 1034633-01 | ND |
| 2021-04-22 | 1044869-01 | ND |
| 2021-04-29 | 1052161-01 | ND |
| 2021-05-13 | 1054055-01 | ND |
| 2021-05-25 | 1054877-01 | ND |
| 2021-07-21 | 1075197-01 | ND |
| 2021-08-12 | 1085060-01 | ND |
| 2021-08-16 | 1085287-01 | ND |
| 2021-08-16 | 1085285-01 | ND |
| 2021-09-24 | 810-3700-1 | ND |
| 2021-09-24 | 810-3699-1 | ND |
| 2021-09-24 | 810-3698-1 | ND |
| 2021-10-12 | 810-5182-1 | ND |
| 2022-09-21 | FWI0536-01 | ND |
| 2022-09-28 | FWJ0040 | ND |
| 2022-09-28 | FWJ0039 | ND |
| 2022-10-26 | FWJ0180-01 | ND |
| 2022-11-14 | FWJ0183-01 | ND |
| 2022-11-15 | FWJ0189-01 | ND |
| 2022-11-15 | FWJ0173-01 | ND |
| 2022-12-14 | 810-47844-1 | ND |
| 2023-02-06 | FXB0073-01 | ND |
| 2023-02-07 | FXB0069-01 | ND |
| 2023-02-07 | FXB0060-01 | ND |
| 2023-02-09 | FXB0076-01 | ND |
| 2023-02-15 | FXB00446-01 | ND |
| 2023-02-15 | FXB0432-01 | ND |
| 2023-02-16 | FXB0071-01 | ND |
| 2023-03-09 | FXC0334 | ND |
| 2023-04-04 | FXC0511 | ND |
| 2023-04-04 | FXC0540 | ND |
| 2023-04-05 | FXC0547 | ND |
| 2023-04-05 | FXC0551 | ND |
| 2023-04-05 | FXC0556 | ND |
| 2023-04-05 | FXC0562 | ND |
| 2023-04-06 | FXC0505 | ND |
| 2023-07-31 | FXF0567 | ND |
| 2023-07-31 | FXF0578 | ND |
| 2023-08-02 | FXF0582 | ND |
| 2023-08-02 | FXF0571 | ND |