Dalapon
City of La Marque
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
96
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 | 16 | 0 | ND |
| 2015 | ND | 16 | 0 | ND |
| 2016 | ND | 16 | 0 | ND |
| 2017 | ND | 16 | 0 | ND |
| 2018 | ND | 16 | 0 | ND |
| 2019 | 0.0625 ppb | 16 | 1 | ND - 1.000 ppb |
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 |
|---|---|---|
| 2014-02-28 | AC45266 | ND |
| 2014-02-28 | AC45269 | ND |
| 2014-02-28 | AC45319 | ND |
| 2014-02-28 | AC45270 | ND |
| 2014-04-11 | AC50379 | ND |
| 2014-04-11 | AC50393 | ND |
| 2014-04-11 | AC50414 | ND |
| 2014-04-11 | AC50406 | ND |
| 2014-08-08 | AC62910 | ND |
| 2014-08-08 | AC62930 | ND |
| 2014-08-08 | AC62923 | ND |
| 2014-08-08 | AC62933 | ND |
| 2014-11-21 | AC72750 | ND |
| 2014-11-21 | AC72756 | ND |
| 2014-11-21 | AC72748 | ND |
| 2014-11-21 | AC72749 | ND |
| 2015-01-30 | AC78716 | ND |
| 2015-01-30 | AC78715 | ND |
| 2015-01-30 | AC78714 | ND |
| 2015-01-30 | AC78721 | ND |
| 2015-05-29 | AC93967 | ND |
| 2015-05-29 | AC94032 | ND |
| 2015-05-29 | AC93963 | ND |
| 2015-05-29 | AC93968 | ND |
| 2015-07-17 | AD00107 | ND |
| 2015-07-17 | AD00104 | ND |
| 2015-07-17 | AD00103 | ND |
| 2015-07-17 | AD00123 | ND |
| 2015-10-09 | AD10227 | ND |
| 2015-10-09 | AD10224 | ND |
| 2015-10-09 | AD10223 | ND |
| 2015-10-09 | AD10222 | ND |
| 2016-02-17 | AD23881 | ND |
| 2016-02-17 | AD23864 | ND |
| 2016-02-17 | AD23866 | ND |
| 2016-02-17 | AD23859 | ND |
| 2016-05-26 | AD38491 | ND |
| 2016-05-26 | AD38489 | ND |
| 2016-05-26 | AD38488 | ND |
| 2016-05-26 | AD38487 | ND |
| 2016-09-28 | AD51683 | ND |
| 2016-09-28 | AD51662 | ND |
| 2016-09-28 | AD51664 | ND |
| 2016-09-28 | AD51686 | ND |
| 2016-11-22 | AD59033 | ND |
| 2016-11-22 | AD59032 | ND |
| 2016-11-22 | AD59034 | ND |
| 2016-11-22 | AD59031 | ND |
| 2017-01-23 | AD66066 | ND |
| 2017-01-23 | AD66063 | ND |
| 2017-01-23 | AD66050 | ND |
| 2017-01-23 | AD66049 | ND |
| 2017-06-05 | AD86559 | ND |
| 2017-06-05 | AD86558 | ND |
| 2017-06-05 | AD86554 | ND |
| 2017-06-05 | AD86556 | ND |
| 2017-07-21 | AD90281 | ND |
| 2017-07-21 | AD90284 | ND |
| 2017-07-21 | AD90280 | ND |
| 2017-07-21 | AD90285 | ND |
| 2017-11-07 | AE03820 | ND |
| 2017-11-07 | AE03822 | ND |
| 2017-11-07 | AE03824 | ND |
| 2017-11-07 | AE03815 | ND |
| 2018-01-23 | AE09836 | ND |
| 2018-01-23 | AE09842 | ND |
| 2018-01-23 | AE09835 | ND |
| 2018-01-23 | AE09840 | ND |
| 2018-04-11 | AE22229 | ND |
| 2018-04-11 | AE22227 | ND |
| 2018-04-11 | AE22226 | ND |
| 2018-04-11 | AE22234 | ND |
| 2018-07-06 | AE32571 | ND |
| 2018-07-06 | AE32575 | ND |
| 2018-07-06 | AE32572 | ND |
| 2018-07-06 | AE32570 | ND |
| 2018-11-19 | AE46428 | ND |
| 2018-11-19 | AE46427 | ND |
| 2018-11-19 | AE46429 | ND |
| 2018-11-19 | AE46430 | ND |
| 2019-02-28 | AE56512 | ND |
| 2019-02-28 | AE56526 | ND |
| 2019-02-28 | AE56548 | ND |
| 2019-02-28 | AE56531 | ND |
| 2019-04-05 | AE61328 | 1.000 ppb |
| 2019-04-05 | AE61333 | ND |
| 2019-04-05 | AE61330 | ND |
| 2019-04-05 | AE61335 | ND |
| 2019-08-16 | AE79278 | ND |
| 2019-08-16 | AE79276 | ND |
| 2019-08-16 | AE79281 | ND |
| 2019-08-16 | AE79277 | ND |
| 2019-10-11 | AE86457 | ND |
| 2019-10-11 | AE86440 | ND |
| 2019-10-11 | AE86463 | ND |
| 2019-10-11 | AE86464 | ND |