Dalapon
North San Saba Water Supply Corporation
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
8
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 | 2 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 2 | 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 |
|---|---|---|
| 2014-06-25 | AC58079 | ND |
| 2015-01-26 | AC77677 | ND |
| 2015-08-04 | AD02321 | ND |
| 2016-07-25 | AD45392 | ND |
| 2017-05-15 | AD84206 | ND |
| 2018-08-23 | AE38286 | ND |
| 2018-08-23 | AE38253 | ND |
| 2019-06-03 | AE68828 | ND |