Dalapon
Golden State Water Company (GSWC) - Southwest
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 | ND | 1 | 0 | ND |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 7 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
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 | Lab ID | Result |
---|---|---|
2015-12-16 | 9590-038-0920 | ND |
2017-02-23 | 9590-073-0924 | ND |
2017-03-23 | 9590-011-1240 | ND |
2017-03-30 | 9590-038-0725 | ND |
2017-04-13 | 9590-064-0754 | ND |
2017-06-06 | 9590-011-1036 | ND |
2017-06-21 | 9590-073-1210 | ND |
2017-07-18 | 9590-064-0956 | ND |