Dalapon
Harris County Municipal Utility District 144
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
22
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 | 2 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 5 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2014-08-06 | AC62380 | ND |
| 2014-08-06 | AC62349 | ND |
| 2015-06-04 | AC94715 | ND |
| 2015-09-23 | AD08195 | ND |
| 2015-12-07 | AD15655 | ND |
| 2016-02-01 | AD21041 | ND |
| 2016-06-07 | AD39548 | ND |
| 2016-09-27 | AD51464 | ND |
| 2016-10-17 | AD53379 | ND |
| 2017-01-24 | AD66554 | ND |
| 2017-01-24 | AD66424 | ND |
| 2017-04-18 | AD79932 | ND |
| 2017-07-24 | AD90277 | ND |
| 2017-10-17 | AE01066 | ND |
| 2018-02-08 | AE13015 | ND |
| 2018-05-08 | AE25561 | ND |
| 2018-08-01 | AE35297 | ND |
| 2018-10-24 | AE44468 | ND |
| 2019-01-28 | AE51614 | ND |
| 2019-04-23 | AE63376 | ND |
| 2019-07-30 | AE76384 | ND |
| 2019-10-10 | AE86290 | ND |