Dalapon
City of Davis
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
33
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 16 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 11 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2015-07-07 | 5810-004-1253 | ND |
| 2015-07-07 | 5810-052-0648 | ND |
| 2015-07-07 | 5810-030-0919 | ND |
| 2015-07-07 | 5810-026-1041 | ND |
| 2015-07-07 | 5810-025-0832 | ND |
| 2015-07-07 | 5810-024-1120 | ND |
| 2015-07-07 | 5810-023-0904 | ND |
| 2015-07-07 | 5810-020-0757 | ND |
| 2015-07-07 | 5810-002-1333 | ND |
| 2015-07-07 | 5810-006-1115 | ND |
| 2015-07-07 | 5810-017-1030 | ND |
| 2015-07-07 | 5810-016-0957 | ND |
| 2015-07-07 | 5810-015-1321 | ND |
| 2015-07-07 | 5810-010-1148 | ND |
| 2015-07-07 | 5810-018-0721 | ND |
| 2015-07-21 | 5810-009-0747 | ND |
| 2016-01-26 | 5810-019-1005 | ND |
| 2017-03-20 | 5810-057-1120 | ND |
| 2017-06-14 | 5810-057-0820 | ND |
| 2017-09-20 | 5810-057-0910 | ND |
| 2017-12-12 | 5810-057-0735 | ND |
| 2018-02-14 | 5810-057-0925 | ND |
| 2018-04-18 | 5810-028-0855 | ND |
| 2018-08-15 | 5810-028-0720 | ND |
| 2018-08-15 | 5810-052-0930 | ND |
| 2018-08-15 | 5810-057-0840 | ND |
| 2018-08-15 | 5810-030-0640 | ND |
| 2018-08-15 | 5810-025-0755 | ND |
| 2018-08-15 | 5810-020-1001 | ND |
| 2018-08-15 | 5810-019-0902 | ND |
| 2018-08-15 | 5810-018-0819 | ND |
| 2018-11-07 | 5810-028-0818 | ND |
| 2019-02-06 | 5810-028-0820 | ND |