Dalapon
Crystal Clear WSC
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
100
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 | 21 | 0 | ND |
| 2015 | ND | 16 | 0 | ND |
| 2016 | ND | 16 | 0 | ND |
| 2017 | ND | 15 | 0 | ND |
| 2018 | 0.188 ppb | 16 | 2 | ND - 1.60 ppb |
| 2019 | ND | 16 | 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 |
|---|---|---|
| 2014-02-04 | AC41326 | ND |
| 2014-02-04 | AC41341 | ND |
| 2014-02-04 | AC41330 | ND |
| 2014-02-04 | AC41328 | ND |
| 2014-03-17 | AC47108 | ND |
| 2014-03-17 | AC47106 | ND |
| 2014-03-17 | AC47129 | ND |
| 2014-03-17 | AC47107 | ND |
| 2014-05-16 | AC54505 | ND |
| 2014-05-16 | AC54551 | ND |
| 2014-05-16 | AC54555 | ND |
| 2014-05-16 | AC54548 | ND |
| 2014-07-23 | AC60778 | ND |
| 2014-07-23 | AC60781 | ND |
| 2014-07-23 | AC60779 | ND |
| 2014-07-23 | AC60742 | ND |
| 2014-09-04 | AC65871 | ND |
| 2014-10-29 | AC70867 | ND |
| 2014-10-29 | AC70868 | ND |
| 2014-10-29 | AC70864 | ND |
| 2014-10-29 | AC70862 | ND |
| 2015-01-26 | AC77765 | ND |
| 2015-01-26 | AC77753 | ND |
| 2015-01-26 | AC77745 | ND |
| 2015-01-26 | AC77757 | ND |
| 2015-04-22 | AC89194 | ND |
| 2015-04-22 | AC89192 | ND |
| 2015-04-22 | AC89205 | ND |
| 2015-04-22 | AC89193 | ND |
| 2015-07-30 | AD01748 | ND |
| 2015-07-30 | AD01749 | ND |
| 2015-07-30 | AD01750 | ND |
| 2015-07-30 | AD01753 | ND |
| 2015-12-07 | AD15665 | ND |
| 2015-12-07 | AD15682 | ND |
| 2015-12-07 | AD15669 | ND |
| 2015-12-07 | AD15678 | ND |
| 2016-03-16 | AD29028 | ND |
| 2016-03-16 | AD29035 | ND |
| 2016-03-16 | AD29031 | ND |
| 2016-03-16 | AD29034 | ND |
| 2016-04-08 | AD32505 | ND |
| 2016-04-08 | AD32520 | ND |
| 2016-04-08 | AD32507 | ND |
| 2016-04-08 | AD32506 | ND |
| 2016-07-25 | AD45409 | ND |
| 2016-07-25 | AD45398 | ND |
| 2016-07-25 | AD45423 | ND |
| 2016-07-25 | AD45427 | ND |
| 2016-10-21 | AD54551 | ND |
| 2016-10-21 | AD54545 | ND |
| 2016-10-21 | AD54553 | ND |
| 2016-10-21 | AD54544 | ND |
| 2017-02-07 | AD69184 | ND |
| 2017-02-07 | AD69180 | ND |
| 2017-02-07 | AD69182 | ND |
| 2017-02-07 | AD69183 | ND |
| 2017-02-07 | AD69330 | ND |
| 2017-02-07 | AD69331 | ND |
| 2017-02-07 | AD69332 | ND |
| 2017-05-08 | AD82982 | ND |
| 2017-05-08 | AD82987 | ND |
| 2017-05-08 | AD82984 | ND |
| 2017-05-08 | AD82979 | ND |
| 2017-11-17 | AE05350 | ND |
| 2017-11-17 | AE05354 | ND |
| 2017-11-17 | AE05351 | ND |
| 2017-11-17 | AE05347 | ND |
| 2018-02-13 | AE13539 | ND |
| 2018-02-13 | AE13540 | ND |
| 2018-02-13 | AE13541 | ND |
| 2018-02-13 | AE13542 | ND |
| 2018-06-12 | AE29442 | ND |
| 2018-06-12 | AE29447 | ND |
| 2018-06-12 | AE29441 | ND |
| 2018-06-12 | AE29449 | ND |
| 2018-08-09 | AE36304 | ND |
| 2018-08-09 | AE36303 | ND |
| 2018-08-09 | AE36302 | ND |
| 2018-08-09 | AE36306 | ND |
| 2018-11-13 | AE45915 | ND |
| 2018-11-13 | AE45916 | 1.60 ppb |
| 2018-11-13 | AE45918 | 1.40 ppb |
| 2018-11-13 | AE45919 | ND |
| 2019-03-13 | AE58414 | ND |
| 2019-03-13 | AE58418 | ND |
| 2019-03-13 | AE58419 | ND |
| 2019-03-13 | AE58420 | ND |
| 2019-04-11 | AE62022 | ND |
| 2019-04-11 | AE61996 | ND |
| 2019-04-11 | AE61999 | ND |
| 2019-04-11 | AE62004 | ND |
| 2019-07-22 | AE75308 | ND |
| 2019-07-22 | AE75309 | ND |
| 2019-07-22 | AE75306 | ND |
| 2019-07-22 | AE75305 | ND |
| 2019-11-22 | AE90385 | ND |
| 2019-11-22 | AE90383 | ND |
| 2019-11-22 | AE90386 | ND |
| 2019-11-22 | AE90384 | ND |