Dalapon
Montgomery County Municipal Utility District 9
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
10
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 | 2 | 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 |
|---|---|---|
| 2014-07-23 | AC60725 | ND |
| 2014-07-23 | AC60747 | ND |
| 2014-07-23 | AC60729 | ND |
| 2015-03-13 | AC84496 | ND |
| 2015-06-11 | AC95763 | ND |
| 2016-09-27 | AD51398 | ND |
| 2017-07-19 | AD89889 | ND |
| 2017-09-14 | AD96347 | ND |
| 2018-08-02 | AE35525 | ND |
| 2019-08-06 | AE77219 | ND |