Dalapon
City of Alamo Heights
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
21
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 | 7 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 6 | 0 | ND |
| 2018 | ND | 5 | 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 |
|---|---|---|
| 2014-01-16 | AC39342 | ND |
| 2014-01-16 | AC39343 | ND |
| 2014-01-16 | AC39346 | ND |
| 2014-01-16 | AC39349 | ND |
| 2014-01-16 | AC39353 | ND |
| 2014-07-25 | AC61218 | ND |
| 2014-07-25 | AC61145 | ND |
| 2015-06-23 | AC97086 | ND |
| 2016-07-06 | AD43126 | ND |
| 2017-02-14 | AD70672 | ND |
| 2017-02-14 | AD70673 | ND |
| 2017-02-14 | AD70669 | ND |
| 2017-02-14 | AD70671 | ND |
| 2017-04-10 | AD79264 | ND |
| 2017-06-16 | AD87438 | ND |
| 2018-01-10 | AE08730 | ND |
| 2018-04-09 | AE21746 | ND |
| 2018-06-04 | AE28494 | ND |
| 2018-08-03 | AE35904 | ND |
| 2018-10-12 | AE43493 | ND |
| 2019-06-21 | AE71676 | ND |