Dalapon
Central Texas Water Supply Corporation
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 | 4 | 0 | ND |
2016 | ND | 6 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 4 | 0 | ND |
2019 | ND | 6 | 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 |
---|---|---|
2014-07-23 | AC60798 | ND |
2014-10-22 | AC70317 | ND |
2015-03-10 | AC83461 | ND |
2015-06-01 | AC93976 | ND |
2015-09-03 | AD05616 | ND |
2015-11-04 | AD12553 | ND |
2016-03-14 | AD28449 | ND |
2016-03-14 | AD28609 | ND |
2016-03-14 | AD28610 | ND |
2016-06-01 | AD38941 | ND |
2016-09-29 | AD51921 | ND |
2016-12-09 | AD61386 | ND |
2017-03-20 | AD75701 | ND |
2017-06-12 | AD86971 | ND |
2017-08-21 | AD93525 | ND |
2017-10-17 | AE01028 | ND |
2018-01-17 | AE09105 | ND |
2018-04-12 | AE22265 | ND |
2018-08-13 | AE36556 | ND |
2018-10-04 | AE42666 | ND |
2019-01-22 | AE50665 | ND |
2019-03-27 | AE60298 | ND |
2019-05-07 | AE65128 | ND |
2019-08-15 | AE79038 | ND |
2019-08-27 | AE80920 | ND |
2019-10-31 | AE88134 | ND |