Dalapon
SJWD Middle Tyger WTP
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 | 2 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 7 | 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 | Lab ID | Result |
---|---|---|
2014-05-13 | AD39799 | ND |
2014-05-13 | AD39842 | ND |
2015-05-05 | AD54896 | ND |
2016-06-15 | AD77332 | ND |
2016-12-13 | AD87058 | ND |
2017-04-26 | AD93225 | ND |
2017-06-15 | AD96073 | ND |
2018-05-02 | AE11609 | ND |
2018-12-12 | AE22907 | ND |
2019-03-05 | AE26704 | ND |
2019-03-05 | AE26705 | ND |
2019-05-16 | AE30554 | ND |
2019-06-19 | AE32288 | ND |
2019-08-27 | AE36139 | ND |
2019-08-27 | AE36137 | ND |
2019-11-13 | AE40151 | ND |