Dalapon
Pinewood Springs Water District
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
16
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 | 1 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 3 | 0 | ND |
| 2017 | 1.30 ppb | 4 | 1 | ND - 5.20 ppb |
| 2018 | ND | 4 | 0 | ND |
| 2019 | ND | 4 | 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 | Result |
|---|---|
| 2014-11-14 | ND |
| 2016-05-03 | ND |
| 2016-09-09 | ND |
| 2016-11-07 | ND |
| 2017-02-08 | ND |
| 2017-05-09 | 5.20 ppb |
| 2017-08-04 | ND |
| 2017-11-02 | ND |
| 2018-02-01 | ND |
| 2018-05-10 | ND |
| 2018-08-21 | ND |
| 2018-11-07 | ND |
| 2019-02-08 | ND |
| 2019-05-16 | ND |
| 2019-08-14 | ND |
| 2019-11-08 | ND |