Dalapon
City of Winston-Salem
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 | ND | 5 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 2018 | ND | 4 | 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 |
|---|---|---|
| 2014-01-06 | 8881-010614-EP2S | ND |
| 2014-01-06 | 8881-010614-EP3S | ND |
| 2014-01-06 | 8881-010614-EP1S | ND |
| 2014-05-05 | 8881-050514-EP2S | ND |
| 2014-05-05 | 8881-050514-EP3S | ND |
| 2015-02-02 | ND | |
| 2015-02-02 | ND | |
| 2015-04-13 | ND | |
| 2016-01-11 | 8881-011116-EP1S | ND |
| 2016-01-11 | 8881-011116-EP3S | ND |
| 2017-01-23 | 8881-012317-EP1S | ND |
| 2017-01-23 | 8881-012317-EP3S | ND |
| 2017-01-23 | 8881-012317-EP2S | ND |
| 2017-05-15 | 8881-051517-EP2S | ND |
| 2017-05-15 | 8881-051517-EP3S | ND |
| 2018-01-22 | 8881-012218-EP1S | ND |
| 2018-04-02 | 8881-040218-EP1S | ND |
| 2018-04-02 | 8881-040218-EP2S | ND |
| 2018-04-02 | 8881-040218-EP3S | ND |
| 2019-01-07 | 8881-010719-EP1S | ND |