Dalapon
Town of Vinton Water System
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 | 3.95 ppb | 4 | 4 | 3.95 ppb |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 4 | 0 | ND |
2018 | N/A | 0 | 0 | N/A |
2019 | ND | 6 | 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 |
---|---|---|
2014-07-14 | AD93487 | 3.95 ppb |
2014-07-14 | AD93488 | 3.95 ppb |
2014-07-14 | AD93487 | 3.95 ppb |
2014-07-14 | AD93488 | 3.95 ppb |
2017-06-12 | 35318181004 | ND |
2017-06-12 | 35318181005 | ND |
2017-06-12 | 35318181004 | ND |
2017-06-12 | 35318181005 | ND |
2019-08-07 | 35488949001 | ND |
2019-08-07 | 35488949001 | ND |
2019-11-04 | 35510462001 | ND |
2019-11-04 | 35510462002 | ND |
2019-11-04 | 35510462001 | ND |
2019-11-04 | 35510462002 | ND |