Dalapon
Pennsylvania American Water Company
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 | ND | 2 | 0 | ND |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | 0.800 ppb | 3 | 1 | ND - 2.40 ppb |
2018 | ND | 4 | 0 | ND |
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 |
---|---|---|
2014-04-08 | 25319701 | ND |
2014-07-02 | 26092001 | ND |
2017-04-03 | 16049430 | ND |
2017-07-12 | 16523114 | 2.40 ppb |
2017-11-13 | 17123354 | ND |
2018-01-04 | 38148901 | ND |
2018-04-02 | 39058201 | ND |
2018-07-02 | 40187801 | ND |
2018-10-01 | 41298801 | ND |
2019-07-02 | 44999901 | ND |
2019-07-22 | 45996201 | ND |