Dalapon
Commodore Cove Improvement District
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
26
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 | 0.260 ppb | 5 | 1 | ND - 1.30 ppb |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 5 | 0 | ND |
| 2019 | 0.625 ppb | 4 | 2 | ND - 1.40 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 |
|---|---|---|
| 2014-03-05 | AC45654 | ND |
| 2014-05-22 | AC55105 | ND |
| 2014-09-02 | AC65533 | ND |
| 2014-11-03 | AC71033 | ND |
| 2015-01-28 | AC78125 | ND |
| 2015-01-28 | AC78253 | ND |
| 2015-04-15 | AC88334 | ND |
| 2015-07-01 | AC98205 | ND |
| 2015-10-09 | AD10229 | 1.30 ppb |
| 2016-01-13 | AD17833 | ND |
| 2016-04-05 | AD31810 | ND |
| 2016-07-08 | AD43550 | ND |
| 2016-10-18 | AD53536 | ND |
| 2017-02-03 | AD68702 | ND |
| 2017-04-26 | AD81148 | ND |
| 2017-09-12 | AD95741 | ND |
| 2017-10-12 | AE00552 | ND |
| 2018-02-28 | AE16008 | ND |
| 2018-02-28 | AE16126 | ND |
| 2018-06-18 | AE30430 | ND |
| 2018-09-19 | AE40699 | ND |
| 2018-11-08 | AE45748 | ND |
| 2019-02-07 | AE53460 | ND |
| 2019-05-06 | AE64843 | ND |
| 2019-08-12 | AE77986 | 1.40 ppb |
| 2019-11-21 | AE90142 | 1.10 ppb |