Dalapon
City of Hallettsville
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
12
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 | 4 | 0 | ND |
| 2018 | ND | 1 | 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 |
|---|---|---|
| 2014-01-14 | AC38833 | ND |
| 2014-01-14 | AC38836 | ND |
| 2014-01-14 | AC38834 | ND |
| 2014-07-28 | AC61207 | ND |
| 2015-06-09 | AC95271 | ND |
| 2016-09-12 | AD49056 | ND |
| 2017-09-26 | AD97985 | ND |
| 2017-12-06 | AE07054 | ND |
| 2017-12-06 | AE07055 | ND |
| 2017-12-06 | AE07050 | ND |
| 2018-09-19 | AE40672 | ND |
| 2019-08-22 | AE80206 | ND |