Dalapon
Pecan Utilities Oak Ridge Subdivision
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 | 0.175 ppb | 8 | 1 | ND - 1.40 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 |
|---|---|---|
| 2018-02-06 | AE12462 | ND |
| 2018-02-06 | AE12461 | ND |
| 2018-06-05 | AE28657 | ND |
| 2018-06-05 | AE28656 | ND |
| 2018-08-30 | AE38907 | ND |
| 2018-08-30 | AE38910 | ND |
| 2018-11-29 | AE47362 | ND |
| 2018-11-29 | AE47363 | ND |
| 2019-01-24 | AE51185 | ND |
| 2019-01-24 | AE51189 | ND |
| 2019-04-23 | AE63317 | ND |
| 2019-04-23 | AE63319 | ND |
| 2019-08-19 | AE79221 | ND |
| 2019-08-19 | AE79220 | ND |
| 2019-12-11 | AE92120 | ND |
| 2019-12-11 | AE92123 | ND |
| 2020-01-27 | AE95299 | ND |
| 2020-01-27 | AE95306 | ND |
| 2020-04-14 | AF06553 | ND |
| 2020-04-14 | AF06555 | ND |
| 2020-07-16 | AF19538 | ND |
| 2020-07-16 | AF19539 | ND |
| 2020-11-09 | AF33579 | ND |
| 2020-11-09 | AF33580 | ND |
| 2021-02-03 | AF42412 | ND |
| 2021-02-03 | AF42413 | ND |
| 2021-05-20 | AF54732 | ND |
| 2021-05-20 | AF54734 | ND |
| 2021-08-30 | AF68269 | ND |
| 2021-08-30 | AF68278 | 1.40 ppb |
| 2021-11-30 | AF77416 | ND |
| 2021-11-30 | AF77417 | ND |
| 2022-03-07 | AF87612 | ND |
| 2022-03-07 | AF87613 | ND |
| 2022-05-24 | AF98226 | ND |
| 2022-05-24 | AF98237 | ND |
| 2022-08-16 | AG09389 | ND |
| 2022-08-16 | AG09393 | ND |
| 2022-11-21 | AG19350 | ND |
| 2022-11-21 | AG19351 | ND |
| 2023-03-14 | AG32811 | ND |
| 2023-03-14 | AG32813 | ND |
| 2023-05-26 | AG42212 | ND |
| 2023-05-26 | AG42213 | ND |
| 2023-08-22 | AG53423 | ND |
| 2023-08-22 | AG53425 | ND |
| 2023-10-19 | AG60419 | ND |
| 2023-10-19 | AG60420 | ND |