Dalapon
City of Bandera
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
15
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 | 4 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 4 | 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 |
|---|---|---|
| 2014-01-15 | AC39073 | ND |
| 2014-01-15 | AC39078 | ND |
| 2014-01-15 | AC39074 | ND |
| 2014-05-01 | AC52588 | ND |
| 2015-05-26 | AC93270 | ND |
| 2016-05-04 | AD35371 | ND |
| 2017-02-15 | AD70888 | ND |
| 2017-02-15 | AD70893 | ND |
| 2017-05-31 | AD86141 | ND |
| 2018-05-30 | AE28037 | ND |
| 2018-05-30 | AE28077 | ND |
| 2018-09-18 | AE40848 | ND |
| 2018-10-31 | AE45104 | ND |
| 2019-03-07 | AE57670 | ND |
| 2019-07-09 | AE73684 | ND |