Dalapon
Village of Calvin Water System
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
12
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 | 1.09 ppb | 6 | 4 | ND - 1.64 ppb |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 6 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-08-11 | AD95248 | ND |
| 2014-08-11 | AD95249 | 1.64 ppb |
| 2014-08-11 | AD95250 | 1.64 ppb |
| 2014-08-11 | AD95248 | ND |
| 2014-08-11 | AD95249 | 1.64 ppb |
| 2014-08-11 | AD95250 | 1.64 ppb |
| 2017-08-15 | 35331252005 | ND |
| 2017-08-15 | 35331252005 | ND |
| 2017-09-26 | 35338631003 | ND |
| 2017-09-26 | 35338631004 | ND |
| 2017-09-26 | 35338631003 | ND |
| 2017-09-26 | 35338631004 | ND |