Dalapon
Harris County MUD 167
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
16
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 | 2 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 7 | 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 |
|---|---|---|
| 2014-08-13 | AC63490 | ND |
| 2014-08-13 | AC63542 | ND |
| 2015-07-30 | AD01752 | ND |
| 2016-09-25 | AD51034 | ND |
| 2016-09-25 | AD51047 | ND |
| 2017-02-03 | AD68887 | ND |
| 2017-02-03 | AD68890 | ND |
| 2017-04-21 | AD80767 | ND |
| 2017-05-31 | AD86137 | ND |
| 2017-05-31 | AD86132 | ND |
| 2017-08-01 | AD91649 | ND |
| 2017-10-24 | AE01911 | ND |
| 2018-08-03 | AE35809 | ND |
| 2018-08-03 | AE35810 | ND |
| 2019-08-27 | AE80963 | ND |
| 2019-08-27 | AE80962 | ND |