Dalapon
Conroe Resort
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 | 1 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 2 | 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 |
|---|---|---|
| 2014-09-15 | AC66968 | ND |
| 2015-07-21 | AD00474 | ND |
| 2015-07-21 | AD00478 | ND |
| 2015-07-21 | AD00358 | ND |
| 2016-09-27 | AD51403 | ND |
| 2017-07-19 | AD89905 | ND |
| 2018-08-07 | AE35996 | ND |
| 2018-08-07 | AE35966 | ND |
| 2019-09-24 | AE84385 | ND |