Dalapon
City of Willis
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 | 3 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 1 | 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 |
|---|---|---|
| 2014-01-22 | AC39876 | ND |
| 2014-01-22 | AC39871 | ND |
| 2014-07-14 | AC59575 | ND |
| 2015-07-20 | AD00154 | ND |
| 2016-05-10 | AD36204 | ND |
| 2016-05-10 | AD36021 | ND |
| 2017-02-28 | AD72566 | ND |
| 2017-02-28 | AD72568 | ND |
| 2017-06-20 | AD87422 | ND |
| 2018-07-05 | AE32410 | ND |
| 2019-05-09 | AE65776 | ND |
| 2019-05-09 | AE65677 | ND |