Dalapon
Cypress Valley Water Supply Corporation Plant 1
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 | N/A | 0 | 0 | N/A |
| 2015 | ND | 1 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 6 | 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 |
|---|---|---|
| 2015-05-27 | Q1519429001 | ND |
| 2018-09-20 | AE41158 | ND |
| 2018-09-20 | AE41159 | ND |
| 2018-11-06 | AE45654 | ND |
| 2019-05-29 | AE68624 | ND |
| 2019-05-29 | AE68623 | ND |
| 2019-09-11 | AE83198 | ND |
| 2019-09-11 | AE83200 | ND |
| 2019-11-18 | AE90031 | ND |
| 2019-11-18 | AE90030 | ND |