Dalapon
Aqua Pennsylvania Main System
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
28
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 14 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 13 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2014-04-23 | AE30432 | ND |
| 2014-04-23 | AE30433 | ND |
| 2014-04-23 | AE30533 | ND |
| 2014-04-28 | AE30874 | ND |
| 2014-04-28 | AE30899 | ND |
| 2014-04-29 | AE31042 | ND |
| 2014-07-21 | 2019295001 | ND |
| 2014-07-21 | 2019297001 | ND |
| 2014-07-22 | 2019998001 | ND |
| 2014-07-23 | 2019999001 | ND |
| 2014-07-23 | 2020000001 | ND |
| 2014-07-24 | 2020242001 | ND |
| 2014-07-24 | 2020244001 | ND |
| 2014-11-26 | 2042265001 | ND |
| 2016-08-11 | 14739508 | ND |
| 2017-05-15 | 16098296 | ND |
| 2017-05-15 | 16098315 | ND |
| 2017-05-15 | 16098277 | ND |
| 2017-05-17 | 16098371 | ND |
| 2017-05-17 | 16098343 | ND |
| 2017-05-17 | 16098399 | ND |
| 2017-05-25 | 16099732 | ND |
| 2017-08-14 | 16569948 | ND |
| 2017-08-14 | 16569892 | ND |
| 2017-08-15 | 16569920 | ND |
| 2017-08-16 | 16571246 | ND |
| 2017-08-16 | 16571217 | ND |
| 2017-08-16 | 16571275 | ND |