Dalapon
Lone Star Public Water System
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 | 2 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 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 |
|---|---|---|
| 2014-04-10 | AC50153 | ND |
| 2014-06-05 | AC56139 | ND |
| 2015-09-24 | AD08449 | ND |
| 2016-06-02 | AD39232 | ND |
| 2016-06-02 | AD39116 | ND |
| 2017-09-07 | AD95238 | ND |
| 2017-09-07 | AD95120 | ND |
| 2018-06-28 | AE31961 | ND |
| 2019-08-15 | AE78863 | ND |
| 2019-11-05 | AE88517 | ND |