Dalapon
Southwest Ouachita Waterworks Inc.
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
32
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 | 1.02 ppb | 16 | 12 | ND - 1.72 ppb |
| 2015 | ND | 2 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 14 | 0 | ND |
| 2018 | N/A | 0 | 0 | N/A |
| 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 |
|---|---|---|
| 2014-06-16 | AD92414 | ND |
| 2014-06-16 | AD92413 | ND |
| 2014-06-16 | AD92414 | ND |
| 2014-06-16 | AD92413 | ND |
| 2014-08-11 | AD95317 | 0.620 ppb |
| 2014-08-11 | AD95317 | 0.620 ppb |
| 2014-08-11 | AD95318 | 0.630 ppb |
| 2014-08-11 | AD95318 | 0.630 ppb |
| 2014-10-20 | AD98780 | 1.72 ppb |
| 2014-10-20 | AD98781 | 1.72 ppb |
| 2014-10-20 | AD98782 | 1.72 ppb |
| 2014-10-20 | AD98783 | 1.72 ppb |
| 2014-10-20 | AD98783 | 1.72 ppb |
| 2014-10-20 | AD98782 | 1.72 ppb |
| 2014-10-20 | AD98781 | 1.72 ppb |
| 2014-10-20 | AD98780 | 1.72 ppb |
| 2015-01-05 | AE00867 | ND |
| 2015-01-05 | AE00867 | ND |
| 2017-06-12 | 35318592003 | ND |
| 2017-06-12 | 35318592002 | ND |
| 2017-06-12 | 35318592001 | ND |
| 2017-06-12 | 35318592001 | ND |
| 2017-06-12 | 35318592002 | ND |
| 2017-06-12 | 35318592003 | ND |
| 2017-10-16 | 35343270001 | ND |
| 2017-10-16 | 35343270004 | ND |
| 2017-10-16 | 35343270003 | ND |
| 2017-10-16 | 35343270002 | ND |
| 2017-10-16 | 35343270001 | ND |
| 2017-10-16 | 35343270004 | ND |
| 2017-10-16 | 35343270003 | ND |
| 2017-10-16 | 35343270002 | ND |