Dalapon
Tarkington Special Utility District
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
10
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 | 3 | 0 | ND |
| 2018 | ND | 1 | 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 |
|---|---|---|
| 2014-07-08 | AC59049 | ND |
| 2014-07-08 | AC59052 | ND |
| 2014-07-08 | AC59075 | ND |
| 2015-05-19 | AC92550 | ND |
| 2016-07-22 | AD45404 | ND |
| 2017-08-07 | AD92220 | ND |
| 2017-09-11 | AD95590 | ND |
| 2017-09-11 | AD95589 | ND |
| 2018-07-18 | AE33732 | ND |
| 2019-08-28 | AE81327 | ND |