Dalapon
City of Seguin
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
98
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 | 16 | 0 | ND |
| 2015 | 0.194 ppb | 16 | 2 | ND - 1.70 ppb |
| 2016 | ND | 17 | 0 | ND |
| 2017 | ND | 16 | 0 | ND |
| 2018 | ND | 16 | 0 | ND |
| 2019 | ND | 17 | 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 |
|---|---|---|
| 2014-02-19 | AC43554 | ND |
| 2014-02-19 | AC43556 | ND |
| 2014-02-19 | AC43588 | ND |
| 2014-02-19 | AC43558 | ND |
| 2014-05-14 | AC54208 | ND |
| 2014-05-14 | AC54218 | ND |
| 2014-05-14 | AC54217 | ND |
| 2014-05-14 | AC54213 | ND |
| 2014-07-23 | AC60796 | ND |
| 2014-07-23 | AC60746 | ND |
| 2014-07-23 | AC60780 | ND |
| 2014-07-23 | AC60744 | ND |
| 2014-10-03 | AC68906 | ND |
| 2014-10-03 | AC68892 | ND |
| 2014-10-03 | AC68890 | ND |
| 2014-10-03 | AC68884 | ND |
| 2015-01-27 | AC77905 | ND |
| 2015-01-27 | AC77882 | ND |
| 2015-01-27 | AC77883 | ND |
| 2015-01-27 | AC77886 | ND |
| 2015-04-15 | AC88349 | ND |
| 2015-04-15 | AC88346 | ND |
| 2015-04-15 | AC88353 | ND |
| 2015-04-15 | AC88343 | ND |
| 2015-07-16 | AC99889 | 1.40 ppb |
| 2015-07-16 | AC99890 | ND |
| 2015-07-16 | AC99884 | ND |
| 2015-07-16 | AC99896 | ND |
| 2015-11-12 | AD13325 | 1.70 ppb |
| 2015-11-12 | AD13329 | ND |
| 2015-11-12 | AD13324 | ND |
| 2015-11-12 | AD13323 | ND |
| 2016-01-19 | AD18598 | ND |
| 2016-01-19 | AD18708 | ND |
| 2016-01-19 | AD18600 | ND |
| 2016-01-19 | AD18593 | ND |
| 2016-01-19 | AD18596 | ND |
| 2016-04-06 | AD32011 | ND |
| 2016-04-06 | AD32041 | ND |
| 2016-04-06 | AD32040 | ND |
| 2016-04-06 | AD32039 | ND |
| 2016-07-07 | AD43279 | ND |
| 2016-07-07 | AD43278 | ND |
| 2016-07-07 | AD43275 | ND |
| 2016-07-07 | AD43277 | ND |
| 2016-10-06 | AD52647 | ND |
| 2016-10-06 | AD52648 | ND |
| 2016-10-06 | AD52644 | ND |
| 2016-10-06 | AD52643 | ND |
| 2017-02-07 | AD69155 | ND |
| 2017-02-07 | AD69154 | ND |
| 2017-02-07 | AD69152 | ND |
| 2017-02-07 | AD69156 | ND |
| 2017-05-08 | AD82983 | ND |
| 2017-05-08 | AD82985 | ND |
| 2017-05-08 | AD82977 | ND |
| 2017-05-08 | AD82978 | ND |
| 2017-07-28 | AD91330 | ND |
| 2017-07-28 | AD91315 | ND |
| 2017-07-28 | AD91316 | ND |
| 2017-07-28 | AD91329 | ND |
| 2017-10-05 | AD99537 | ND |
| 2017-10-05 | AD99539 | ND |
| 2017-10-05 | AD99540 | ND |
| 2017-10-05 | AD99538 | ND |
| 2018-02-09 | AE13239 | ND |
| 2018-02-09 | AE13266 | ND |
| 2018-02-09 | AE13240 | ND |
| 2018-02-09 | AE13261 | ND |
| 2018-04-13 | AE22483 | ND |
| 2018-04-13 | AE22484 | ND |
| 2018-04-13 | AE22472 | ND |
| 2018-04-13 | AE22471 | ND |
| 2018-08-09 | AE36301 | ND |
| 2018-08-09 | AE36308 | ND |
| 2018-08-09 | AE36305 | ND |
| 2018-08-09 | AE36307 | ND |
| 2018-10-03 | AE42506 | ND |
| 2018-10-03 | AE42507 | ND |
| 2018-10-03 | AE42504 | ND |
| 2018-10-03 | AE42508 | ND |
| 2019-01-23 | AE50912 | ND |
| 2019-01-23 | AE51020 | ND |
| 2019-01-23 | AE50911 | ND |
| 2019-01-23 | AE50913 | ND |
| 2019-01-23 | AE50914 | ND |
| 2019-04-16 | AE62746 | ND |
| 2019-04-16 | AE62745 | ND |
| 2019-04-16 | AE62744 | ND |
| 2019-04-16 | AE62748 | ND |
| 2019-07-22 | AE75255 | ND |
| 2019-07-22 | AE75254 | ND |
| 2019-07-22 | AE75304 | ND |
| 2019-07-22 | AE75253 | ND |
| 2019-10-07 | AE85789 | ND |
| 2019-10-07 | AE85783 | ND |
| 2019-10-07 | AE85785 | ND |
| 2019-11-15 | AE89501 | ND |