Dalapon
Harris County Municipal Utility District 24
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
13
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 | 4 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2014-08-12 | AC63272 | ND |
| 2014-12-05 | AC73934 | ND |
| 2014-12-05 | AC73935 | ND |
| 2015-08-11 | AD03568 | ND |
| 2016-09-22 | AD50759 | ND |
| 2017-03-29 | AD77521 | ND |
| 2017-03-29 | AD77522 | ND |
| 2017-08-17 | AD93355 | ND |
| 2017-08-17 | AD93357 | ND |
| 2018-05-24 | AE27677 | ND |
| 2018-05-24 | AE27662 | ND |
| 2019-05-14 | AE66173 | ND |
| 2019-05-14 | AE66174 | ND |