Dalapon
Boynton Beach Water Treatment Plant
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 |
---|---|---|---|---|
2014 | ND | 2 | 0 | ND |
2015 | 1.30 ppb | 4 | 2 | ND - 2.80 ppb |
2016 | 0.533 ppb | 3 | 1 | ND - 1.60 ppb |
2017 | ND | 2 | 0 | ND |
2018 | ND | 6 | 0 | ND |
2019 | ND | 4 | 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 |
---|---|
2014-01-29 | ND |
2014-01-29 | ND |
2015-03-11 | ND |
2015-03-11 | 2.40 ppb |
2015-08-05 | 2.80 ppb |
2015-11-04 | ND |
2016-02-19 | ND |
2016-05-04 | 1.60 ppb |
2016-08-05 | ND |
2017-01-31 | ND |
2017-01-31 | ND |
2018-01-16 | ND |
2018-01-16 | ND |
2018-09-18 | ND |
2018-09-18 | ND |
2018-10-09 | ND |
2018-10-09 | ND |
2019-01-22 | ND |
2019-01-22 | ND |
2019-04-02 | ND |
2019-05-07 | ND |