Dalapon
Lebanon Water Authority
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
11
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 | 18.6 ppb | 3 | 1 | ND - 55.8 ppb |
| 2015 | ND | 3 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 1 | 0 | ND |
| 2019 | ND | 1 | 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 |
|---|---|---|
| 2014-04-03 | 1079580001 | ND |
| 2014-07-09 | 2017535001 | 55.8 ppb |
| 2014-11-07 | 2038905001 | ND |
| 2015-02-06 | 12492173 | ND |
| 2015-04-17 | 12726607 | ND |
| 2015-07-09 | 13112783 | ND |
| 2016-07-12 | 14706495 | ND |
| 2017-04-19 | 16064378 | ND |
| 2017-07-14 | 16537084 | ND |
| 2018-08-07 | 2330687001 | ND |
| 2019-07-01 | 3042826001 | ND |