Dalapon
Falcon Rural Water Supply Corporation
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
25
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 | 4 | 0 | ND |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 5 | 0 | ND |
| 2017 | 0.550 ppb | 4 | 1 | ND - 2.20 ppb |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 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 |
|---|---|---|
| 2014-02-24 | AC44490 | ND |
| 2014-06-11 | AC56596 | ND |
| 2014-08-18 | AC64148 | ND |
| 2014-12-03 | AC73554 | ND |
| 2015-02-11 | AC80184 | ND |
| 2015-06-08 | AC94871 | ND |
| 2015-09-24 | AD08466 | ND |
| 2015-11-05 | AD12757 | ND |
| 2016-02-25 | AD25680 | ND |
| 2016-02-25 | AD25844 | ND |
| 2016-05-12 | AD36590 | ND |
| 2016-09-20 | AD50343 | ND |
| 2016-10-27 | AD55117 | ND |
| 2017-03-06 | AD73681 | ND |
| 2017-04-28 | AD81752 | ND |
| 2017-08-03 | AD92126 | ND |
| 2017-11-10 | AE04492 | 2.20 ppb |
| 2018-03-07 | AE17241 | ND |
| 2018-05-18 | AE26968 | ND |
| 2018-09-12 | AE39767 | ND |
| 2018-10-18 | AE43935 | ND |
| 2019-02-04 | AE53146 | ND |
| 2019-06-14 | AE70822 | ND |
| 2019-09-09 | AE82830 | ND |
| 2019-09-09 | AE82702 | ND |