Dalapon
Westwood North Water Supply Corporation
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
10
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 | 3 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 1 | 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 |
|---|---|---|
| 2014-04-22 | AC51423 | ND |
| 2014-05-13 | AC54033 | ND |
| 2014-10-22 | AC70286 | ND |
| 2015-07-23 | AD00855 | ND |
| 2016-09-21 | AD50521 | ND |
| 2017-04-28 | AD81959 | ND |
| 2017-04-28 | AD81955 | ND |
| 2017-07-06 | AD88451 | ND |
| 2018-09-19 | AE40987 | ND |
| 2019-06-12 | AE70322 | ND |