Dalapon
Langston Estates S/d
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
10
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 | N/A | 0 | 0 | N/A |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | 7.13 ppb | 4 | 3 | ND - 11.0 ppb |
| 2017 | ND | 3 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 2 | 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 |
|---|---|---|
| 2016-04-14 | CZ03320-01 | ND |
| 2016-04-14 | CZ03320-02 | 6.50 ppb |
| 2016-07-14 | CZ08407-01 | 11.0 ppb |
| 2016-10-07 | CZ13815-01 | 11.0 ppb |
| 2017-01-11 | CZ18841-01 | ND |
| 2017-04-10 | CA02989-01 | ND |
| 2017-07-13 | CA07773-01 | ND |
| 2018-04-04 | CB03408-01 | ND |
| 2019-04-09 | CC04219-02 | ND |
| 2019-04-11 | CC05957-01 | ND |