Dalapon
Lake Conroe Forest Subdivision
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
9
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 | 3 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 1 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2015-08-04 | AD02410 | ND |
| 2015-08-04 | AD02412 | ND |
| 2015-08-04 | AD02331 | ND |
| 2016-09-28 | AD51712 | ND |
| 2017-07-27 | AD91110 | ND |
| 2018-05-23 | AE27556 | ND |
| 2018-05-23 | AE27555 | ND |
| 2018-05-23 | AE27451 | ND |
| 2019-07-18 | AE75033 | ND |