Dalapon
Plainville 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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | 0.625 ppb | 4 | 2 | ND - 1.40 ppb |
2015 | ND | 3 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
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 |
---|---|
2014-03-12 | ND |
2014-09-17 | 1.40 ppb |
2014-11-18 | 1.10 ppb |
2014-12-02 | ND |
2015-01-21 | ND |
2015-03-10 | ND |
2015-08-20 | ND |
2017-03-08 | ND |
2017-09-05 | ND |
2018-05-23 | ND |
2018-12-26 | ND |