Dalapon
Calhan, 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 | ND | 3 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 4 | 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 |
|---|---|
| 2014-03-21 | ND |
| 2014-07-02 | ND |
| 2014-07-02 | ND |
| 2015-02-20 | ND |
| 2015-09-28 | ND |
| 2016-03-28 | ND |
| 2017-03-15 | ND |
| 2018-03-07 | ND |
| 2019-02-28 | ND |
| 2019-09-18 | ND |
| 2019-09-18 | ND |
| 2019-11-18 | ND |