Dalapon
Belle Chasse Water District
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
20
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 | 20.3 ppb | 2 | 2 | 20.3 ppb |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 4 | 0 | ND |
| 2019 | 2.30 ppb | 4 | 2 | ND - 4.60 ppb |
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 |
|---|---|---|
| 2014-02-04 | AD88745 | 20.3 ppb |
| 2014-02-04 | AD88745 | 20.3 ppb |
| 2015-03-16 | 35179807003 | ND |
| 2015-03-16 | 35179807003 | ND |
| 2015-10-14 | 35212328001 | ND |
| 2015-10-14 | 35212328001 | ND |
| 2016-01-27 | 35226999003 | ND |
| 2016-01-27 | 35226999003 | ND |
| 2016-12-13 | 35283615003 | ND |
| 2016-12-13 | 35283615003 | ND |
| 2017-02-22 | 35296827003 | ND |
| 2017-02-22 | 35296827003 | ND |
| 2018-01-30 | 35371297002 | ND |
| 2018-01-30 | 35371297002 | ND |
| 2018-10-02 | 35421769001 | ND |
| 2018-10-02 | 35421769001 | ND |
| 2019-02-05 | 35446735001 | ND |
| 2019-02-05 | 35446735001 | ND |
| 2019-08-14 | 35490418001 | 4.60 ppb |
| 2019-08-14 | 35490418001 | 4.60 ppb |