Dalapon
Garden Valley
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
8
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 |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | 1.75 ppb | 2 | 1 | ND - 3.50 ppb |
2016 | ND | 1 | 0 | ND |
2017 | N/A | 0 | 0 | N/A |
2018 | ND | 1 | 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 |
---|---|
2015-06-30 | 3.50 ppb |
2015-06-30 | ND |
2016-12-16 | ND |
2018-10-22 | ND |
2019-02-28 | ND |
2019-06-19 | ND |
2019-06-19 | ND |
2019-09-24 | ND |