Dalapon
Daytona Beach
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
20
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 | 0.655 ppb | 6 | 5 | ND - 1.10 ppb |
| 2015 | 0.900 ppb | 3 | 1 | ND - 2.70 ppb |
| 2016 | ND | 2 | 0 | ND |
| 2017 | 0.433 ppb | 3 | 1 | ND - 1.30 ppb |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 3 | 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 | Result |
|---|---|
| 2014-01-08 | 0.720 ppb |
| 2014-03-25 | 1.10 ppb |
| 2014-04-09 | 0.740 ppb |
| 2014-06-17 | ND |
| 2014-07-09 | 0.680 ppb |
| 2014-10-08 | 0.690 ppb |
| 2015-01-22 | 2.70 ppb |
| 2015-02-11 | ND |
| 2015-04-20 | ND |
| 2016-03-03 | ND |
| 2016-06-01 | ND |
| 2017-02-07 | ND |
| 2017-06-07 | 1.30 ppb |
| 2017-07-13 | ND |
| 2018-01-10 | ND |
| 2018-01-24 | ND |
| 2018-04-04 | ND |
| 2019-02-22 | ND |
| 2019-04-24 | ND |
| 2019-08-20 | ND |