Dalapon
Montgomery County UD 3
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
9
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 |
|---|---|---|---|---|
| 2014 | ND | 3 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
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 |
|---|---|---|
| 2014-03-18 | AC47426 | ND |
| 2014-03-18 | AC47425 | ND |
| 2014-07-16 | AC59894 | ND |
| 2015-07-14 | AC99369 | ND |
| 2016-07-12 | AD43819 | ND |
| 2017-07-19 | AD89909 | ND |
| 2017-10-25 | AE02225 | ND |
| 2018-06-25 | AE31186 | ND |
| 2019-08-06 | AE77222 | ND |