Dalapon
Seminole County Northeast
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
11
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 | 0.595 ppb | 6 | 3 | ND - 1.60 ppb |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 3 | 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 | Result |
|---|---|
| 2014-02-12 | 1.60 ppb |
| 2014-02-12 | 0.960 ppb |
| 2014-04-21 | 1.01 ppb |
| 2014-04-21 | ND |
| 2014-07-01 | ND |
| 2014-10-08 | ND |
| 2015-03-13 | ND |
| 2016-01-07 | ND |
| 2017-02-02 | ND |
| 2017-02-06 | ND |
| 2017-04-13 | ND |