Dalapon
Metropolitan Water District of So. Cal.
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
20
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 | 10 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 10 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2015-04-08 | 9588-005-0830 | ND |
| 2015-04-08 | 9588-013-1020 | ND |
| 2015-04-08 | 9588-003-1000 | ND |
| 2015-04-08 | 9588-026-1047 | ND |
| 2015-04-08 | 9588-020-1100 | ND |
| 2015-11-03 | 9588-003-1030 | ND |
| 2015-11-03 | 9588-005-0925 | ND |
| 2015-11-03 | 9588-026-0837 | ND |
| 2015-11-03 | 9588-013-1015 | ND |
| 2015-11-05 | 9588-020-1020 | ND |
| 2018-04-02 | 9588-003-1344 | ND |
| 2018-04-02 | 9588-005-1229 | ND |
| 2018-04-02 | 9588-020-1124 | ND |
| 2018-04-03 | 9588-026-1528 | ND |
| 2018-04-09 | 9588-013-0805 | ND |
| 2018-10-01 | 9588-020-1015 | ND |
| 2018-10-01 | 9588-003-1140 | ND |
| 2018-10-02 | 9588-013-1010 | ND |
| 2018-10-02 | 9588-005-1115 | ND |
| 2018-10-02 | 9588-026-0950 | ND |