Dalapon
Purcellville, Town of
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
13
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 | 2 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | ND | 5 | 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 |
|---|---|---|
| 2014-07-31 | E140606693 | ND |
| 2014-08-21 | E140606706 | ND |
| 2015-02-18 | VA010-DCLS | ND |
| 2015-05-19 | VA010-DCLS | ND |
| 2015-08-06 | VA010-DCLS | ND |
| 2016-08-16 | E160700348 | ND |
| 2018-03-13 | E180100344 | ND |
| 2018-05-23 | E180303866 | ND |
| 2018-05-30 | E180303847 | ND |
| 2018-08-21 | E180601978 | ND |
| 2018-08-28 | E180601963 | ND |
| 2019-03-21 | E190302944 | ND |
| 2019-03-21 | E190302955 | ND |