Dalapon
Pennichuck Water Works
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2016-07-18 | 1607-01775-001 | ND |
| 2016-09-07 | 1609-00702-001 | ND |
| 2017-07-20 | 1707-02339-001 | ND |
| 2017-09-06 | 1709-00604-001 | ND |
| 2018-07-12 | 1807-01399-001 | ND |
| 2018-09-05 | 1809-00481-001 | ND |
| 2019-07-17 | 1907-02588-001 | ND |
| 2019-08-27 | 1908-03724-001 | ND |