Dalapon
City of Plant City Utility
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | 1.01 ppb | 10 | 10 | 0.600 ppb - 1.70 ppb |
2015 | 2.00 ppb | 1 | 1 | 2.00 ppb |
2016 | 1.90 ppb | 1 | 1 | 1.90 ppb |
2017 | ND | 4 | 0 | ND |
2018 | ND | 1 | 0 | ND |
2019 | ND | 1 | 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 |
---|---|
2014-01-16 | 0.970 ppb |
2014-01-16 | 0.810 ppb |
2014-01-16 | 0.600 ppb |
2014-01-16 | 1.20 ppb |
2014-05-14 | 1.40 ppb |
2014-05-14 | 0.740 ppb |
2014-05-14 | 0.630 ppb |
2014-05-14 | 0.610 ppb |
2014-07-16 | 1.40 ppb |
2014-10-15 | 1.70 ppb |
2015-10-13 | 2.00 ppb |
2016-10-07 | 1.90 ppb |
2017-02-28 | ND |
2017-02-28 | ND |
2017-02-28 | ND |
2017-02-28 | ND |
2018-04-11 | ND |
2019-04-10 | ND |