Dalapon
Walnut Grove Utilities
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
21
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 | N/A | 0 | 0 | N/A |
| 2016 | ND | 3 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 5 | 0 | ND |
| 2019 | ND | 13 | 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 |
|---|---|---|
| 2016-12-21 | 16122773-01A | ND |
| 2016-12-21 | 16122770-01A | ND |
| 2016-12-21 | 16122769-01A | ND |
| 2018-06-12 | 680-153971-1 | ND |
| 2018-06-13 | 680-154051-1 | ND |
| 2018-07-03 | 680-154927-1 | ND |
| 2018-07-10 | 680-155198-1 | ND |
| 2018-10-16 | 680-159419-1 | ND |
| 2019-02-26 | 680-165155-1 | ND |
| 2019-02-26 | 680-165150-1 | ND |
| 2019-03-05 | 680-165490-1 | ND |
| 2019-03-05 | 680-165488-1 | ND |
| 2019-03-12 | 680-165969-1 | ND |
| 2019-04-02 | 680-167063-1 | ND |
| 2019-04-02 | 680-167058-1 | ND |
| 2019-04-09 | 680-167502-1 | ND |
| 2019-04-09 | 680-167500-1 | ND |
| 2019-07-16 | 680-171850-1 | ND |
| 2019-07-16 | 680-171849-1 | ND |
| 2019-08-07 | 680-172766-1 | ND |
| 2019-08-07 | 680-172772-1 | ND |