Dalapon
Harris County Municipal Utility District 152
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
16
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 | 4 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 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 |
|---|---|---|
| 2014-07-22 | AC60529 | ND |
| 2014-07-22 | AC60528 | ND |
| 2014-07-22 | AC60607 | ND |
| 2014-07-22 | AC60562 | ND |
| 2015-06-03 | AC94408 | ND |
| 2015-06-03 | AC94396 | ND |
| 2016-05-18 | AD37208 | ND |
| 2016-05-18 | AD37236 | ND |
| 2017-01-30 | AD67649 | ND |
| 2017-01-30 | AD67650 | ND |
| 2017-05-03 | AD82405 | ND |
| 2017-05-03 | AD82415 | ND |
| 2018-05-03 | AE25057 | ND |
| 2018-05-03 | AE25051 | ND |
| 2019-08-15 | AE78896 | ND |
| 2019-08-15 | AE78897 | ND |