Dalapon
Yampa, Town of
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 1 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | 0.367 ppb | 3 | 1 | ND - 1.10 ppb |
2018 | ND | 4 | 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 | Result |
---|---|
2014-06-25 | ND |
2017-05-11 | 1.10 ppb |
2017-09-22 | ND |
2017-11-29 | ND |
2018-02-26 | ND |
2018-05-29 | ND |
2018-08-16 | ND |
2018-11-17 | ND |
2019-05-31 | ND |