Dalapon
Pomona Water Department
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 |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | ND | 5 | 0 | ND |
2015 | ND | 20 | 0 | ND |
2016 | ND | 2 | 0 | ND |
2017 | ND | 4 | 0 | ND |
2018 | ND | 14 | 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 |
---|---|---|
2014-02-19 | 9590-051-1311 | ND |
2014-07-02 | 9590-032-0813 | ND |
2014-08-28 | 9590-027-0930 | ND |
2014-10-09 | 9590-032-1010 | ND |
2014-11-12 | 9590-027-0825 | ND |
2015-02-26 | 9590-036-0922 | ND |
2015-03-05 | 9590-035-0953 | ND |
2015-04-01 | 9590-010-0830 | ND |
2015-04-02 | 9590-052-0926 | ND |
2015-04-06 | 9590-069-1101 | ND |
2015-04-08 | 9590-025-0914 | ND |
2015-04-14 | 9590-013-0935 | ND |
2015-04-14 | 9590-031-0838 | ND |
2015-04-16 | 9590-040-0810 | ND |
2015-05-07 | 9590-036-0917 | ND |
2015-06-10 | 9590-028-0844 | ND |
2015-06-30 | 9590-035-0914 | ND |
2015-07-01 | 9590-052-1029 | ND |
2015-07-06 | 9590-069-1043 | ND |
2015-07-07 | 9590-010-0821 | ND |
2015-07-08 | 9590-025-0824 | ND |
2015-07-14 | 9590-040-0835 | ND |
2015-07-21 | 9590-031-0850 | ND |
2015-09-10 | 9590-028-0832 | ND |
2015-10-20 | 9590-036-0945 | ND |
2016-03-23 | 9590-051-1036 | ND |
2016-06-30 | 9590-051-0908 | ND |
2017-07-19 | 9590-032-1405 | ND |
2017-07-24 | 9590-027-1415 | ND |
2017-10-24 | 9590-027-1052 | ND |
2017-10-25 | 9590-032-1115 | ND |
2018-04-12 | 9590-052-1056 | ND |
2018-04-12 | 9590-069-1321 | ND |
2018-04-12 | 9590-010-0920 | ND |
2018-04-17 | 9590-025-1509 | ND |
2018-04-18 | 9590-040-1330 | ND |
2018-06-14 | 9590-028-1317 | ND |
2018-07-19 | 9590-052-1255 | ND |
2018-07-19 | 9590-031-0951 | ND |
2018-07-19 | 9590-010-1138 | ND |
2018-07-23 | 9590-040-1225 | ND |
2018-07-24 | 9590-069-1124 | ND |
2018-07-25 | 9590-025-0820 | ND |
2018-08-14 | 9590-028-1043 | ND |
2018-10-24 | 9590-031-1035 | ND |
2019-04-17 | 9590-051-1110 | ND |
2019-04-17 | 9590-036-1005 | ND |
2019-04-17 | 9590-035-1010 | ND |
2019-07-10 | 9590-051-1140 | ND |
2019-07-10 | 9590-036-1356 | ND |
2019-07-10 | 9590-035-1437 | ND |