Dalapon
Crwa Lake Dunlap Water Treatment Plant
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
19
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 | 1 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 5 | 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 |
|---|---|---|
| 2014-05-14 | AC54212 | ND |
| 2015-07-23 | AD00868 | ND |
| 2016-01-19 | AD18714 | ND |
| 2016-06-24 | AD41773 | ND |
| 2016-07-13 | AD44050 | ND |
| 2016-10-06 | AD52641 | ND |
| 2017-02-07 | AD69153 | ND |
| 2017-05-08 | AD82988 | ND |
| 2017-07-24 | AD90328 | ND |
| 2017-11-17 | AE05381 | ND |
| 2018-02-09 | AE13254 | ND |
| 2018-04-04 | AE21178 | ND |
| 2018-07-09 | AE32550 | ND |
| 2018-10-03 | AE42514 | ND |
| 2019-01-23 | AE50915 | ND |
| 2019-01-23 | AE51021 | ND |
| 2019-04-16 | AE62743 | ND |
| 2019-08-08 | AE77739 | ND |
| 2019-10-07 | AE85786 | ND |