Dalapon
Hudson, Town of
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | 0.440 ppb | 5 | 2 | ND - 1.20 ppb |
| 2018 | ND | 3 | 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 | Result |
|---|---|
| 2015-10-20 | ND |
| 2016-02-11 | ND |
| 2017-02-28 | 1.000 ppb |
| 2017-02-28 | ND |
| 2017-04-04 | 1.20 ppb |
| 2017-07-12 | ND |
| 2017-10-05 | ND |
| 2018-01-02 | ND |
| 2018-04-05 | ND |
| 2018-07-05 | ND |
| 2019-01-02 | ND |
| 2019-04-02 | ND |