Dalapon
Harris County Municipal Utility District 163
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
50
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 | 9 | 0 | ND |
| 2015 | ND | 8 | 0 | ND |
| 2016 | ND | 8 | 0 | ND |
| 2017 | ND | 9 | 0 | ND |
| 2018 | ND | 8 | 0 | ND |
| 2019 | ND | 8 | 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 |
|---|---|---|
| 2014-03-05 | AC45659 | ND |
| 2014-03-05 | AC45660 | ND |
| 2014-06-06 | AC56272 | ND |
| 2014-06-06 | AC56284 | ND |
| 2014-07-31 | AC61857 | ND |
| 2014-07-31 | AC61843 | ND |
| 2014-07-31 | AC61804 | ND |
| 2014-12-10 | AC74300 | ND |
| 2014-12-10 | AC74331 | ND |
| 2015-01-29 | AC78418 | ND |
| 2015-01-29 | AC78419 | ND |
| 2015-06-23 | AC97098 | ND |
| 2015-06-23 | AC97097 | ND |
| 2015-08-18 | AD04521 | ND |
| 2015-08-18 | AD04509 | ND |
| 2015-12-01 | AD14863 | ND |
| 2015-12-01 | AD14864 | ND |
| 2016-02-11 | AD23357 | ND |
| 2016-02-11 | AD23358 | ND |
| 2016-05-10 | AD36044 | ND |
| 2016-05-10 | AD36031 | ND |
| 2016-09-28 | AD51937 | ND |
| 2016-09-28 | AD51946 | ND |
| 2016-12-05 | AD60606 | ND |
| 2016-12-05 | AD60602 | ND |
| 2017-02-06 | AD68717 | ND |
| 2017-02-06 | AD68716 | ND |
| 2017-02-06 | AD68901 | ND |
| 2017-04-24 | AD80652 | ND |
| 2017-04-24 | AD80667 | ND |
| 2017-08-03 | AD92030 | ND |
| 2017-08-03 | AD92040 | ND |
| 2017-11-14 | AE04726 | ND |
| 2017-11-14 | AE04725 | ND |
| 2018-02-06 | AE12439 | ND |
| 2018-02-06 | AE12440 | ND |
| 2018-05-22 | AE27210 | ND |
| 2018-05-22 | AE27224 | ND |
| 2018-09-12 | AE39777 | ND |
| 2018-09-12 | AE39776 | ND |
| 2018-11-30 | AE47567 | ND |
| 2018-11-30 | AE47568 | ND |
| 2019-02-04 | AE52644 | ND |
| 2019-02-04 | AE52648 | ND |
| 2019-05-23 | AE67905 | ND |
| 2019-05-23 | AE67908 | ND |
| 2019-09-05 | AE82263 | ND |
| 2019-09-05 | AE82262 | ND |
| 2019-10-08 | AE85983 | ND |
| 2019-10-08 | AE85982 | ND |