Dalapon
South Claiborne 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 | 1.18 ppb | 12 | 10 | ND - 1.41 ppb |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | ND | 14 | 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 |
---|---|---|
2014-06-02 | AD91998 | ND |
2014-06-02 | AD91997 | 1.41 ppb |
2014-06-02 | AD91996 | 1.41 ppb |
2014-06-02 | AD91995 | 1.41 ppb |
2014-06-02 | AD91994 | 1.41 ppb |
2014-06-02 | AD91993 | 1.41 ppb |
2014-06-02 | AD91993 | 1.41 ppb |
2014-06-02 | AD91994 | 1.41 ppb |
2014-06-02 | AD91995 | 1.41 ppb |
2014-06-02 | AD91996 | 1.41 ppb |
2014-06-02 | AD91997 | 1.41 ppb |
2014-06-02 | AD91998 | ND |
2017-05-15 | 35313029001 | ND |
2017-05-15 | 35313029007 | ND |
2017-05-15 | 35313029006 | ND |
2017-05-15 | 35313029005 | ND |
2017-05-15 | 35313029004 | ND |
2017-05-15 | 35313029003 | ND |
2017-05-15 | 35313029002 | ND |
2017-05-15 | 35313029001 | ND |
2017-05-15 | 35313029007 | ND |
2017-05-15 | 35313029006 | ND |
2017-05-15 | 35313029005 | ND |
2017-05-15 | 35313029004 | ND |
2017-05-15 | 35313029003 | ND |
2017-05-15 | 35313029002 | ND |