Dalapon
Harris County MUD 168
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
11
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 | 3 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 1 | 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 |
|---|---|---|
| 2014-09-11 | AC66739 | ND |
| 2014-09-11 | AC66740 | ND |
| 2014-09-11 | AC66759 | ND |
| 2015-09-21 | AD07766 | ND |
| 2016-09-29 | AD52256 | ND |
| 2017-08-10 | AD92676 | ND |
| 2017-09-19 | AD96913 | ND |
| 2017-09-19 | AD96915 | ND |
| 2018-08-16 | AE37361 | ND |
| 2019-09-05 | AE82227 | ND |
| 2019-12-12 | AE92330 | ND |