Dalapon
Folsom Water Supply
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
14
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 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | ND | 8 | 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 |
|---|---|---|
| 2015-05-18 | 35189673008 | ND |
| 2015-05-18 | 35189673008 | ND |
| 2016-11-28 | 35280625002 | ND |
| 2016-11-28 | 35280625002 | ND |
| 2017-05-08 | 35311985005 | ND |
| 2017-05-08 | 35311985005 | ND |
| 2019-09-23 | 35500870002 | ND |
| 2019-09-23 | 35500870003 | ND |
| 2019-09-23 | 35500870002 | ND |
| 2019-09-23 | 35500870003 | ND |
| 2019-10-31 | 35508970001 | ND |
| 2019-10-31 | 35508970002 | ND |
| 2019-10-31 | 35508970001 | ND |
| 2019-10-31 | 35508970002 | ND |