Dalapon
Montgomery County Municipal Utility District 99
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
12
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 | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2014-06-23 | AC57682 | ND |
| 2015-07-20 | AD00150 | ND |
| 2016-09-13 | AD49130 | ND |
| 2016-12-27 | AD62757 | ND |
| 2017-09-06 | AD94893 | ND |
| 2018-07-25 | AE34449 | ND |
| 2018-07-25 | AE34568 | ND |
| 2018-10-17 | AE43801 | ND |
| 2019-02-13 | AE54405 | ND |
| 2019-02-13 | AE54404 | ND |
| 2019-05-21 | AE67460 | ND |
| 2019-05-21 | AE67351 | ND |