Dalapon
City of Refugio
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 |
|---|---|---|
| 2014-04-02 | AC49065 | ND |
| 2014-04-02 | AC49066 | ND |
| 2014-09-09 | AC66277 | ND |
| 2015-09-09 | AD06189 | ND |
| 2016-07-18 | AD44541 | ND |
| 2017-04-04 | AD78363 | ND |
| 2017-04-04 | AD78362 | ND |
| 2017-07-14 | AD89497 | ND |
| 2018-06-11 | AE29238 | ND |
| 2019-06-10 | AE69717 | ND |