Dalapon
City of Agua Dulce
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
34
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 | 4 | 0 | ND |
| 2017 | 0.200 ppb | 6 | 1 | ND - 1.20 ppb |
| 2018 | ND | 8 | 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 |
|---|---|---|
| 2014-03-11 | AC46483 | ND |
| 2014-06-09 | AC56220 | ND |
| 2014-09-11 | AC66704 | ND |
| 2014-11-10 | AC71619 | ND |
| 2015-02-19 | AC81169 | ND |
| 2015-04-24 | AC89565 | ND |
| 2015-08-10 | AD03256 | ND |
| 2015-12-03 | AD15410 | ND |
| 2016-02-26 | AD26059 | ND |
| 2016-04-11 | AD32551 | ND |
| 2016-09-12 | AD48860 | ND |
| 2016-11-07 | AD56804 | ND |
| 2017-02-24 | AD72074 | ND |
| 2017-05-15 | AD84230 | 1.20 ppb |
| 2017-09-14 | AD96224 | ND |
| 2017-09-14 | AD96227 | ND |
| 2017-11-13 | AE04508 | ND |
| 2017-11-13 | AE04498 | ND |
| 2018-02-05 | AE12130 | ND |
| 2018-02-05 | AE12131 | ND |
| 2018-05-02 | AE24788 | ND |
| 2018-05-02 | AE24786 | ND |
| 2018-07-27 | AE34861 | ND |
| 2018-07-27 | AE34855 | ND |
| 2018-10-15 | AE43406 | ND |
| 2018-10-15 | AE43404 | ND |
| 2019-02-21 | AE55281 | ND |
| 2019-02-21 | AE55286 | ND |
| 2019-04-15 | AE62260 | ND |
| 2019-04-15 | AE62237 | ND |
| 2019-09-23 | AE84200 | ND |
| 2019-09-23 | AE84197 | ND |
| 2019-11-21 | AE90160 | ND |
| 2019-11-21 | AE90154 | ND |