Dalapon
El Reno
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 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | 0.985 ppb | 4 | 1 | ND - 3.94 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 |
---|---|---|
2018-02-27 | SDWA-1238834-00 | ND |
2018-05-24 | SDWA-1261822-00 | 3.94 ppb |
2018-07-27 | SDWA-1279268-00 | ND |
2018-10-29 | SDWA-1309656-00 | ND |
2019-08-21 | SDWA-1416247-00 | ND |
2019-11-27 | SDWA-1447966-00 | ND |