Dalapon
Utilities Inc.-whispering Hills Water Company
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 | ND | 4 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 2 | 0 | ND |
| 2019 | N/A | 0 | 0 | N/A |
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 |
|---|---|---|
| 2014-02-10 | 4021787-02 | ND |
| 2014-02-10 | 4021784-01 | ND |
| 2014-05-28 | 4053932-01 | ND |
| 2014-05-28 | 4053932-02 | ND |
| 2017-03-02 | 7030544-01 | ND |
| 2017-04-03 | 7041118-02 | ND |
| 2017-07-27 | 7075144-01 | ND |
| 2017-12-27 | 7124076-01 | ND |
| 2018-05-21 | 18E0874-01_02 | ND |
| 2018-09-19 | 18I0782-01_02 | ND |