Dalapon
Leray Town Water District 2 & 4
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
13
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 | 4 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 5 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-06-27 | S4G0158-02 | ND |
| 2014-06-27 | S4G0158-04 | ND |
| 2014-06-27 | S4G0158-03 | ND |
| 2014-06-27 | S4G0158-01 | ND |
| 2015-07-29 | 15073356-001A | ND |
| 2015-07-30 | 15073362-001A | ND |
| 2015-07-30 | 15073365-001A | ND |
| 2015-07-30 | 15073347-001A | ND |
| 2018-07-11 | 422883-ASITE | ND |
| 2018-07-11 | 422883-DOFW | ND |
| 2018-07-11 | 422883 | ND |
| 2018-07-11 | 422883-RYOR | ND |
| 2018-07-11 | 422883-CAREY | ND |