Dalapon
City of La Habra
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
27
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 9 | 0 | ND |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 3 | 0 | ND |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 3 | 0 | ND |
| 2019 | ND | 6 | 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 |
|---|---|---|
| 2014-01-17 | 3761-031-1107 | ND |
| 2014-01-17 | 3761-028-1141 | ND |
| 2014-04-14 | 3761-028-1412 | ND |
| 2014-04-16 | 3761-031-1250 | ND |
| 2014-07-21 | 3761-031-1508 | ND |
| 2014-07-21 | 3761-028-1429 | ND |
| 2014-09-04 | 3761-031-1055 | ND |
| 2014-09-04 | 3761-028-1151 | ND |
| 2014-09-04 | 3761-004-1124 | ND |
| 2015-09-21 | 3761-028-1515 | ND |
| 2015-09-21 | 3761-004-1400 | ND |
| 2015-09-21 | 3761-031-1450 | ND |
| 2016-09-16 | 3761-031-1100 | ND |
| 2016-09-16 | 3761-028-1125 | ND |
| 2016-10-04 | 3761-004-1530 | ND |
| 2017-09-25 | 3761-028-1145 | ND |
| 2017-09-27 | 3761-031-1435 | ND |
| 2017-11-17 | 3761-004-1152 | ND |
| 2018-09-14 | 3761-031-1042 | ND |
| 2018-09-14 | 3761-028-1111 | ND |
| 2018-09-14 | 3761-004-1140 | ND |
| 2019-09-11 | 3761-031-1100 | ND |
| 2019-09-11 | 3761-028-1025 | ND |
| 2019-09-11 | 3761-004-1140 | ND |
| 2019-12-04 | 3761-028-1028 | ND |
| 2019-12-04 | 3761-031-1008 | ND |
| 2019-12-04 | 3761-004-0000 | ND |