Dalapon
Castaic Lake Water Agency
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
22
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 | 3 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 3 | 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 |
|---|---|---|
| 2014-07-30 | 9588-006-0930 | ND |
| 2014-07-30 | 9588-005-0830 | ND |
| 2014-11-21 | 9588-004-1155 | ND |
| 2014-11-25 | 9588-005-1345 | ND |
| 2015-01-14 | 9588-004-1220 | ND |
| 2015-07-23 | 9590-004-0750 | ND |
| 2015-07-23 | 9590-006-0940 | ND |
| 2015-07-23 | 9590-005-0840 | ND |
| 2016-07-20 | 9590-005-1115 | ND |
| 2016-07-20 | 9590-006-1215 | ND |
| 2016-07-20 | 9590-004-1035 | ND |
| 2017-07-26 | 9590-005-1300 | ND |
| 2017-07-26 | 9590-006-1405 | ND |
| 2017-07-26 | 9590-004-1140 | ND |
| 2017-11-15 | 9590-005-1115 | ND |
| 2018-07-25 | 9590-005-1310 | ND |
| 2018-07-25 | 9590-006-1350 | ND |
| 2018-07-25 | 9590-004-1230 | ND |
| 2018-10-11 | 9590-004-1010 | ND |
| 2019-07-31 | 9590-005-1040 | ND |
| 2019-07-31 | 9590-004-1000 | ND |
| 2019-07-31 | 9590-006-1125 | ND |