Dalapon
Highline Water District
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
14
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 | 8 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 3 | 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 |
|---|---|---|
| 2015-06-03 | 30508 | ND |
| 2015-06-03 | 30507 | ND |
| 2015-06-03 | 30506 | ND |
| 2015-06-03 | 30505 | ND |
| 2015-06-03 | 30504 | ND |
| 2015-06-03 | 30503 | ND |
| 2015-06-03 | 30502 | ND |
| 2015-06-03 | 30501 | ND |
| 2016-05-27 | ND | |
| 2018-05-09 | ND | |
| 2018-05-09 | ND | |
| 2019-06-24 | ND | |
| 2019-09-18 | ND | |
| 2019-09-18 | ND |