Dalapon
City of Marble Falls
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 | 8 | 0 | ND |
2015 | ND | 8 | 0 | ND |
2016 | ND | 9 | 0 | ND |
2017 | ND | 8 | 0 | ND |
2018 | ND | 8 | 0 | ND |
2019 | ND | 9 | 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 |
---|---|---|
2014-03-04 | AC45458 | ND |
2014-03-04 | AC45473 | ND |
2014-04-07 | AC49606 | ND |
2014-04-07 | AC49619 | ND |
2014-08-07 | AC62623 | ND |
2014-08-07 | AC62620 | ND |
2014-10-07 | AC68996 | ND |
2014-10-07 | AC68994 | ND |
2015-02-03 | AC78996 | ND |
2015-02-03 | AC78997 | ND |
2015-06-01 | AC93982 | ND |
2015-06-01 | AC93996 | ND |
2015-09-16 | AD07336 | ND |
2015-09-16 | AD07337 | ND |
2015-11-24 | AD14499 | ND |
2015-11-24 | AD14500 | ND |
2016-02-22 | AD24750 | ND |
2016-02-22 | AD24751 | ND |
2016-02-22 | AD24832 | ND |
2016-05-19 | AD37474 | ND |
2016-05-19 | AD37472 | ND |
2016-09-13 | AD49162 | ND |
2016-09-13 | AD49150 | ND |
2016-11-17 | AD58492 | ND |
2016-11-17 | AD58494 | ND |
2017-03-02 | AD73064 | ND |
2017-03-02 | AD73063 | ND |
2017-05-18 | AD84857 | ND |
2017-05-18 | AD84855 | ND |
2017-07-25 | AD90550 | ND |
2017-07-25 | AD90552 | ND |
2017-11-09 | AE04303 | ND |
2017-11-09 | AE04299 | ND |
2018-02-08 | AE12977 | ND |
2018-02-08 | AE12976 | ND |
2018-04-18 | AE22985 | ND |
2018-04-18 | AE22982 | ND |
2018-07-16 | AE33322 | ND |
2018-07-16 | AE33319 | ND |
2018-11-20 | AE46594 | ND |
2018-11-20 | AE46600 | ND |
2019-01-24 | AE51191 | ND |
2019-01-24 | AE51190 | ND |
2019-01-24 | AE51334 | ND |
2019-06-04 | AE69061 | ND |
2019-06-04 | AE69060 | ND |
2019-08-13 | AE78268 | ND |
2019-08-13 | AE78267 | ND |
2019-11-05 | AE88428 | ND |
2019-11-05 | AE88432 | ND |