Dalapon
Country Walk Utilities Inc.
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
6
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 | 1.60 ppb | 1 | 1 | 1.60 ppb |
| 2015 | 2.00 ppb | 1 | 1 | 2.00 ppb |
| 2016 | 1.50 ppb | 1 | 1 | 1.50 ppb |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | 1.000 ppb | 1 | 1 | 1.000 ppb |
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 |
|---|---|
| 2014-08-04 | 1.60 ppb |
| 2015-08-05 | 2.00 ppb |
| 2016-09-16 | 1.50 ppb |
| 2017-07-18 | ND |
| 2018-08-06 | ND |
| 2019-08-08 | 1.000 ppb |