Dalapon
Rogersville Water Works & Sewer Board
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 6 | 0 | ND |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 6 | 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 |
|---|---|---|
| 2016-05-09 | 344913 | ND |
| 2016-05-09 | 344894 | ND |
| 2016-05-09 | 344904 | ND |
| 2016-08-01 | 3509447 | ND |
| 2016-08-01 | 1609655-2 | ND |
| 2016-08-01 | 1609655-3 | ND |
| 2019-07-18 | L1119922-03 | ND |
| 2019-07-18 | L1119918-03 | ND |
| 2019-07-18 | L1119916-01 | ND |
| 2019-12-16 | L1171171-03 | ND |
| 2019-12-16 | L1171174-03 | ND |
| 2019-12-16 | L1171172-03 | ND |