Dalapon
Richland Township Water Authority
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 | ND | 5 | 0 | ND |
2015 | ND | 4 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | 0.305 ppb | 6 | 1 | ND - 1.83 ppb |
2018 | ND | 4 | 0 | ND |
2019 | ND | 1 | 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 |
---|---|---|
2014-06-25 | 14030479-01 | ND |
2014-06-25 | 14030483-01 | ND |
2014-08-12 | 14030484-01 | ND |
2014-08-12 | 14030485-01 | ND |
2014-09-25 | 14091904-01 | ND |
2015-02-10 | 12392474 | ND |
2015-06-09 | 12872131 | ND |
2015-09-15 | 13254700 | ND |
2015-12-08 | 13624239 | ND |
2016-02-16 | 13861536 | ND |
2017-06-13 | 16246507 | ND |
2017-06-13 | 16246566 | ND |
2017-06-13 | 16246536 | ND |
2017-08-18 | 16716434 | ND |
2017-08-18 | 16716282 | 1.83 ppb |
2017-08-18 | 16716433 | ND |
2018-01-25 | 8020388-01 | ND |
2018-06-15 | 8051806-01 | ND |
2018-07-20 | 8080320-01 | ND |
2018-10-23 | 8110305-01 | ND |
2019-07-08 | 9071398-01 | ND |