Dalapon
Galveston County Water Control and Improvement District 8
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 | 9 | 0 | ND |
2015 | ND | 9 | 0 | ND |
2016 | ND | 8 | 0 | ND |
2017 | ND | 9 | 0 | ND |
2018 | ND | 9 | 0 | ND |
2019 | ND | 8 | 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 |
---|---|---|
2014-02-27 | AC44994 | ND |
2014-02-27 | AC44997 | ND |
2014-02-27 | AC45131 | ND |
2014-05-28 | AC55380 | ND |
2014-05-28 | AC55376 | ND |
2014-08-13 | AC63539 | ND |
2014-08-13 | AC63546 | ND |
2014-11-20 | AC72637 | ND |
2014-11-20 | AC72638 | ND |
2015-01-27 | AC77901 | ND |
2015-01-27 | AC77900 | ND |
2015-06-02 | AC94285 | ND |
2015-06-02 | AC94220 | ND |
2015-06-02 | AC94274 | ND |
2015-08-17 | AD04273 | ND |
2015-08-17 | AD04307 | ND |
2015-11-30 | AD14708 | ND |
2015-11-30 | AD14706 | ND |
2016-03-23 | AD30096 | ND |
2016-03-23 | AD30103 | ND |
2016-05-19 | AD37476 | ND |
2016-05-19 | AD37478 | ND |
2016-09-29 | AD51834 | ND |
2016-09-29 | AD51848 | ND |
2016-11-21 | AD58778 | ND |
2016-11-21 | AD58781 | ND |
2017-02-07 | AD69167 | ND |
2017-02-07 | AD69169 | ND |
2017-02-07 | AD69335 | ND |
2017-05-30 | AD85861 | ND |
2017-05-30 | AD85854 | ND |
2017-08-03 | AD91999 | ND |
2017-08-03 | AD91998 | ND |
2017-10-09 | AE00054 | ND |
2017-10-09 | AE00057 | ND |
2018-02-05 | AE12201 | ND |
2018-02-05 | AE12202 | ND |
2018-03-19 | AE18929 | ND |
2018-04-13 | AE22498 | ND |
2018-04-13 | AE22461 | ND |
2018-07-18 | AE33738 | ND |
2018-07-18 | AE33739 | ND |
2018-10-31 | AE45036 | ND |
2018-10-31 | AE45037 | ND |
2019-02-04 | AE52661 | ND |
2019-02-04 | AE52662 | ND |
2019-04-25 | AE63700 | ND |
2019-04-25 | AE63693 | ND |
2019-07-29 | AE76134 | ND |
2019-07-29 | AE76132 | ND |
2019-10-25 | AE87699 | ND |
2019-10-25 | AE87687 | ND |