Dalapon
Marshfield Water Department
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 | 8 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 20 | 0 | ND |
2018 | ND | 10 | 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 |
---|---|
2014-02-26 | ND |
2014-02-26 | ND |
2014-02-26 | ND |
2014-03-03 | ND |
2014-03-03 | ND |
2014-03-03 | ND |
2014-03-03 | ND |
2014-03-03 | ND |
2015-05-18 | ND |
2015-05-18 | ND |
2015-10-19 | ND |
2015-10-19 | ND |
2016-11-16 | ND |
2017-02-07 | ND |
2017-02-07 | ND |
2017-02-08 | ND |
2017-02-08 | ND |
2017-02-28 | ND |
2017-02-28 | ND |
2017-03-01 | ND |
2017-03-01 | ND |
2017-03-01 | ND |
2017-03-01 | ND |
2017-07-12 | ND |
2017-07-26 | ND |
2017-07-26 | ND |
2017-08-07 | ND |
2017-08-07 | ND |
2017-08-29 | ND |
2017-08-29 | ND |
2017-08-30 | ND |
2017-08-30 | ND |
2017-08-30 | ND |
2018-04-30 | ND |
2018-05-08 | ND |
2018-05-09 | ND |
2018-05-09 | ND |
2018-05-16 | ND |
2018-09-05 | ND |
2018-10-17 | ND |
2018-11-07 | ND |
2018-11-14 | ND |
2018-11-20 | ND |
2019-05-28 | ND |
2019-11-20 | ND |