Dalapon
Northeast
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 12 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | 0.569 ppb | 16 | 5 | ND - 2.90 ppb |
2018 | 1.02 ppb | 5 | 3 | ND - 2.20 ppb |
2019 | 0.400 ppb | 6 | 2 | ND - 1.40 ppb |
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 |
---|---|
2014-08-06 | ND |
2014-08-06 | ND |
2014-08-06 | ND |
2014-08-06 | ND |
2014-08-06 | ND |
2014-08-06 | ND |
2014-10-22 | ND |
2014-10-22 | ND |
2014-10-22 | ND |
2014-10-22 | ND |
2014-10-23 | ND |
2014-10-23 | ND |
2017-05-15 | ND |
2017-05-15 | ND |
2017-05-16 | ND |
2017-05-16 | 2.90 ppb |
2017-05-16 | ND |
2017-06-06 | ND |
2017-08-16 | ND |
2017-08-16 | ND |
2017-08-16 | ND |
2017-08-16 | ND |
2017-08-16 | ND |
2017-08-16 | ND |
2017-11-21 | 1.000 ppb |
2017-11-21 | 1.000 ppb |
2017-11-21 | 2.10 ppb |
2017-11-21 | 2.10 ppb |
2018-02-13 | 1.80 ppb |
2018-02-13 | 1.10 ppb |
2018-04-10 | 2.20 ppb |
2018-08-15 | ND |
2018-12-10 | ND |
2019-02-26 | 1.40 ppb |
2019-03-06 | ND |
2019-05-07 | ND |
2019-05-07 | ND |
2019-08-20 | 1.000 ppb |
2019-08-20 | ND |