Dalapon
Montgomery County MUD 60
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 | 0.400 ppb | 16 | 5 | ND - 1.50 ppb |
| 2017 | 0.638 ppb | 16 | 8 | ND - 2.00 ppb |
| 2018 | ND | 16 | 0 | ND |
| 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 |
|---|---|---|
| 2014-02-21 | AC44192 | ND |
| 2014-02-21 | AC44247 | ND |
| 2014-02-21 | AC44251 | ND |
| 2014-02-21 | AC44188 | ND |
| 2014-04-28 | AC51855 | ND |
| 2014-04-28 | AC51853 | ND |
| 2014-04-28 | AC51856 | ND |
| 2014-04-28 | AC51859 | ND |
| 2014-07-14 | AC59596 | ND |
| 2014-07-14 | AC59593 | ND |
| 2014-07-14 | AC59571 | ND |
| 2014-07-14 | AC59584 | ND |
| 2014-10-27 | AC70589 | ND |
| 2014-10-27 | AC70565 | ND |
| 2014-10-27 | AC70564 | ND |
| 2014-10-27 | AC70567 | ND |
| 2015-02-24 | AC81653 | ND |
| 2015-02-24 | AC81644 | ND |
| 2015-02-24 | AC81646 | ND |
| 2015-02-24 | AC81640 | ND |
| 2015-05-01 | AC90281 | ND |
| 2015-05-01 | AC90285 | ND |
| 2015-05-01 | AC90283 | ND |
| 2015-05-01 | AC90279 | ND |
| 2015-07-14 | AC99352 | ND |
| 2015-07-14 | AC99367 | ND |
| 2015-07-14 | AC99366 | ND |
| 2015-07-14 | AC99354 | ND |
| 2015-10-15 | AD10795 | ND |
| 2015-10-15 | AD10788 | ND |
| 2015-10-15 | AD10789 | ND |
| 2015-10-15 | AD10787 | ND |
| 2016-03-09 | AD27868 | ND |
| 2016-03-09 | AD27855 | ND |
| 2016-03-09 | AD27853 | ND |
| 2016-03-09 | AD27856 | ND |
| 2016-05-19 | AD37439 | ND |
| 2016-05-19 | AD37433 | ND |
| 2016-05-19 | AD37449 | ND |
| 2016-05-19 | AD37434 | ND |
| 2016-09-28 | AD51844 | ND |
| 2016-09-28 | AD51853 | ND |
| 2016-09-29 | AD51983 | ND |
| 2016-09-29 | AD51982 | 1.000 ppb |
| 2016-11-02 | AD56422 | 1.40 ppb |
| 2016-11-02 | AD56428 | 1.10 ppb |
| 2016-11-03 | AD56435 | 1.40 ppb |
| 2016-11-03 | AD56431 | 1.50 ppb |
| 2017-01-25 | AD66727 | 2.00 ppb |
| 2017-01-25 | AD66734 | 1.10 ppb |
| 2017-03-09 | AD74336 | 1.10 ppb |
| 2017-03-09 | AD74338 | 1.70 ppb |
| 2017-04-20 | AD80361 | ND |
| 2017-04-20 | AD80362 | ND |
| 2017-04-20 | AD80353 | ND |
| 2017-04-20 | AD80365 | ND |
| 2017-07-13 | AD89218 | 1.10 ppb |
| 2017-07-13 | AD89211 | 1.000 ppb |
| 2017-07-13 | AD89225 | 1.20 ppb |
| 2017-07-13 | AD89216 | 1.000 ppb |
| 2017-11-02 | AE03403 | ND |
| 2017-11-02 | AE03397 | ND |
| 2017-11-02 | AE03407 | ND |
| 2017-11-02 | AE03411 | ND |
| 2018-02-08 | AE12973 | ND |
| 2018-02-08 | AE12971 | ND |
| 2018-02-08 | AE12994 | ND |
| 2018-02-08 | AE12956 | ND |
| 2018-05-24 | AE27696 | ND |
| 2018-05-24 | AE27671 | ND |
| 2018-05-24 | AE27442 | ND |
| 2018-05-24 | AE27695 | ND |
| 2018-09-13 | AE40011 | ND |
| 2018-09-13 | AE40006 | ND |
| 2018-09-13 | AE40010 | ND |
| 2018-09-13 | AE40008 | ND |
| 2018-11-20 | AE46633 | ND |
| 2018-11-20 | AE46634 | ND |
| 2018-11-20 | AE46637 | ND |
| 2018-11-20 | AE46635 | ND |
| 2019-03-06 | AE57343 | ND |
| 2019-03-06 | AE57340 | ND |
| 2019-03-06 | AE57337 | ND |
| 2019-03-06 | AE57338 | ND |
| 2019-05-23 | AE67924 | ND |
| 2019-05-23 | AE67935 | ND |
| 2019-05-23 | AE67929 | ND |
| 2019-05-23 | AE67933 | ND |
| 2019-09-16 | AE83595 | ND |
| 2019-09-16 | AE83611 | ND |
| 2019-09-16 | AE83588 | ND |
| 2019-09-30 | AE85051 | ND |
| 2019-11-26 | AE90569 | ND |
| 2019-11-26 | AE90577 | ND |
| 2019-11-26 | AE90581 | ND |
| 2019-11-26 | AE90571 | ND |