Dalapon
McAlester PWA
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 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 2 | 0 | ND |
2018 | 0.430 ppb | 3 | 1 | ND - 1.29 ppb |
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 | Lab ID | Result |
---|---|---|
2017-09-13 | 7I13107-01 | ND |
2017-11-15 | 7K15030-01 | ND |
2018-03-21 | SDWA-1239859-00 | ND |
2018-07-10 | SDWA-1279274-00 | ND |
2018-08-30 | AH30096-05 | 1.29 ppb |
2019-02-27 | BB27027-01 | ND |
2019-04-24 | BD24026-01 | ND |