Dalapon
Tignall Water System
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
12
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 | 8 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2014-01-27 | AI27215 | ND |
| 2014-01-27 | AI27223 | ND |
| 2014-05-05 | AI39785 | ND |
| 2014-05-05 | AI39795 | ND |
| 2014-08-04 | AI48420 | ND |
| 2014-08-04 | AI48428 | ND |
| 2014-11-11 | AI59406 | ND |
| 2014-11-11 | AI59408 | ND |
| 2019-01-23 | AK09865 | ND |
| 2019-04-09 | AK14954 | ND |
| 2019-07-15 | AK22590 | ND |
| 2019-10-21 | AK35514 | ND |