Dalapon
Harris County Municipal Utility District 183
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 |
|---|---|---|
| 2014-02-17 | AC43032 | ND |
| 2014-02-17 | AC43033 | ND |
| 2014-02-17 | AC43167 | ND |
| 2014-04-24 | AC51699 | ND |
| 2014-04-24 | AC51698 | ND |
| 2014-07-30 | AC61633 | ND |
| 2014-07-30 | AC61624 | ND |
| 2014-11-24 | AC72783 | ND |
| 2014-11-24 | AC72725 | ND |
| 2015-02-10 | AC79891 | ND |
| 2015-02-10 | AC79892 | ND |
| 2015-06-17 | AC96272 | ND |
| 2015-06-17 | AC96264 | ND |
| 2015-09-09 | AD06146 | ND |
| 2015-09-09 | AD06139 | ND |
| 2015-12-04 | AD15683 | ND |
| 2015-12-04 | AD15684 | ND |
| 2016-02-17 | AD23867 | ND |
| 2016-02-17 | AD23862 | ND |
| 2016-04-08 | AD32513 | ND |
| 2016-04-08 | AD32508 | ND |
| 2016-09-21 | AD50505 | ND |
| 2016-10-25 | AD54572 | ND |
| 2016-12-13 | AD61901 | ND |
| 2016-12-13 | AD61898 | ND |
| 2017-01-26 | AD67100 | ND |
| 2017-01-26 | AD67082 | ND |
| 2017-01-26 | AD67270 | ND |
| 2017-04-21 | AD80655 | ND |
| 2017-04-21 | AD80656 | ND |
| 2017-07-13 | AD89287 | ND |
| 2017-07-13 | AD89289 | ND |
| 2017-11-01 | AE03166 | ND |
| 2017-11-01 | AE03167 | ND |
| 2018-01-23 | AE09828 | ND |
| 2018-01-23 | AE09826 | ND |
| 2018-04-11 | AE22017 | ND |
| 2018-04-11 | AE22047 | ND |
| 2018-09-19 | AE40692 | ND |
| 2018-09-19 | AE40691 | ND |
| 2018-12-11 | AE48640 | ND |
| 2018-12-11 | AE48639 | ND |
| 2019-02-21 | AE55295 | ND |
| 2019-02-21 | AE55296 | ND |
| 2019-04-03 | AE61013 | ND |
| 2019-04-03 | AE60999 | ND |
| 2019-07-18 | AE75025 | ND |
| 2019-07-18 | AE75023 | ND |
| 2019-11-13 | AE89097 | ND |
| 2019-11-13 | AE89103 | ND |