Dalapon
Morgan City Water System
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
26
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 |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | 27.1 ppb | 2 | 2 | 27.1 ppb |
| 2015 | ND | 6 | 0 | ND |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 6 | 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 | Lab ID | Result |
|---|---|---|
| 2014-02-03 | AD88684 | 27.1 ppb |
| 2014-02-03 | AD88684 | 27.1 ppb |
| 2015-03-31 | 35181766002 | ND |
| 2015-03-31 | 35181766002 | ND |
| 2015-06-08 | 35192498002 | ND |
| 2015-06-08 | 35192498002 | ND |
| 2015-09-24 | 35208879007 | ND |
| 2015-09-24 | 35208879007 | ND |
| 2016-02-01 | 35227537001 | ND |
| 2016-02-01 | 35227537001 | ND |
| 2016-09-19 | 35266189007 | ND |
| 2016-09-19 | 35266189007 | ND |
| 2017-01-31 | 35292293002 | ND |
| 2017-01-31 | 35292293002 | ND |
| 2017-10-16 | 35342351002 | ND |
| 2017-10-16 | 35342351002 | ND |
| 2018-01-25 | 35370415007 | ND |
| 2018-01-25 | 35370415007 | ND |
| 2018-05-03 | 35390205001 | ND |
| 2018-05-03 | 35390205001 | ND |
| 2018-07-23 | 35406291001 | ND |
| 2018-07-23 | 35406291001 | ND |
| 2019-01-29 | 35445061001 | ND |
| 2019-01-29 | 35445061001 | ND |
| 2019-07-24 | 35484849001 | ND |
| 2019-07-24 | 35484849001 | ND |