Dalapon
Crystal Springs Water Company Chasewood
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
9
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 2 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 1 | 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 |
---|---|---|
2014-03-12 | AC46808 | ND |
2014-04-24 | AC51746 | ND |
2015-11-20 | AD14477 | ND |
2016-06-29 | AD42788 | ND |
2016-06-29 | AD42406 | ND |
2017-10-05 | AD99632 | ND |
2018-12-05 | AE48072 | ND |
2019-09-11 | AE83053 | ND |
2019-09-11 | AE82972 | ND |