Dalapon
City of Bridge City
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
45
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 | 5 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 8 | 0 | ND |
| 2017 | ND | 10 | 0 | ND |
| 2018 | ND | 10 | 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 |
|---|---|---|
| 2014-01-13 | AC38623 | ND |
| 2014-01-13 | AC38622 | ND |
| 2014-01-13 | AC38626 | ND |
| 2014-05-19 | AC54562 | ND |
| 2014-05-19 | AC54564 | ND |
| 2015-09-22 | AD07972 | ND |
| 2015-09-22 | AD07991 | ND |
| 2015-11-18 | AD14023 | ND |
| 2015-11-18 | AD14014 | ND |
| 2016-02-25 | AD25707 | ND |
| 2016-02-25 | AD25692 | ND |
| 2016-05-31 | AD38751 | ND |
| 2016-05-31 | AD38737 | ND |
| 2016-09-26 | AD51370 | ND |
| 2016-09-26 | AD51386 | ND |
| 2016-11-22 | AD59027 | ND |
| 2016-11-22 | AD59024 | ND |
| 2017-03-15 | AD75156 | ND |
| 2017-03-15 | AD75153 | ND |
| 2017-03-15 | AD75254 | ND |
| 2017-03-15 | AD75253 | ND |
| 2017-05-24 | AD85441 | ND |
| 2017-05-24 | AD85444 | ND |
| 2017-08-24 | AD94141 | ND |
| 2017-08-24 | AD94137 | ND |
| 2017-10-30 | AE02656 | ND |
| 2017-10-30 | AE02659 | ND |
| 2018-02-21 | AE15020 | ND |
| 2018-02-21 | AE15007 | ND |
| 2018-05-03 | AE25024 | ND |
| 2018-05-03 | AE25010 | ND |
| 2018-08-09 | AE36296 | ND |
| 2018-08-09 | AE36294 | ND |
| 2018-09-05 | AE39203 | ND |
| 2018-09-05 | AE39204 | ND |
| 2018-11-05 | AE45232 | ND |
| 2018-11-05 | AE45233 | ND |
| 2019-01-24 | AE51200 | ND |
| 2019-01-24 | AE51201 | ND |
| 2019-04-10 | AE61796 | ND |
| 2019-04-10 | AE61803 | ND |
| 2019-07-01 | AE72760 | ND |
| 2019-07-01 | AE72761 | ND |
| 2019-10-01 | AE85313 | ND |
| 2019-10-01 | AE85338 | ND |