Dalapon
Duncan Public Utilities Authority
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 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | N/A | 0 | 0 | N/A |
2017 | N/A | 0 | 0 | N/A |
2018 | 0.360 ppb | 4 | 1 | ND - 1.44 ppb |
2019 | ND | 2 | 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 |
---|---|---|
2018-02-14 | AB14183-01 | ND |
2018-04-18 | AD18187-01 | 1.44 ppb |
2018-08-15 | AH15204-01 | ND |
2018-10-24 | AJ24119-01 | ND |
2019-02-20 | BB20147-01 | ND |
2019-04-09 | BD10155-01 | ND |