Dalapon
Harris County Municipal Utility District 44
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 | 2 | 0 | ND |
2015 | ND | 1 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 2 | 0 | ND |
2018 | ND | 1 | 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 |
---|---|---|
2014-09-15 | AC66993 | ND |
2014-10-29 | AC70842 | ND |
2015-08-04 | AD02306 | ND |
2016-09-27 | AD51442 | ND |
2017-06-29 | AD88143 | ND |
2017-09-11 | AD95582 | ND |
2018-06-18 | AE30201 | ND |
2019-09-30 | AE85058 | ND |