Dalapon
City of Rosenberg
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
24
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 | ND | 8 | 0 | ND |
| 2015 | ND | 2 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 8 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 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 |
|---|---|---|
| 2014-01-21 | AC39595 | ND |
| 2014-01-21 | AC39580 | ND |
| 2014-01-21 | AC39589 | ND |
| 2014-01-21 | AC39594 | ND |
| 2014-01-21 | AC39591 | ND |
| 2014-01-21 | AC39596 | ND |
| 2014-05-20 | AC54714 | ND |
| 2014-05-20 | AC54717 | ND |
| 2015-05-05 | AC90483 | ND |
| 2015-05-05 | AC90482 | ND |
| 2016-08-04 | AD47070 | ND |
| 2016-08-04 | AD47062 | ND |
| 2017-03-14 | AD75002 | ND |
| 2017-03-14 | AD75001 | ND |
| 2017-03-14 | AD74999 | ND |
| 2017-03-14 | AD75003 | ND |
| 2017-05-31 | AD86121 | ND |
| 2017-05-31 | AD86120 | ND |
| 2017-05-31 | AD86228 | ND |
| 2017-05-31 | AD86217 | ND |
| 2018-05-21 | AE26966 | ND |
| 2018-05-21 | AE26967 | ND |
| 2019-06-28 | AE72793 | ND |
| 2019-06-28 | AE72789 | ND |