Dalapon
City of Opelousas 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 | ND | 4 | 0 | ND |
| 2015 | ND | 10 | 0 | ND |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 2 | 0 | ND |
| 2018 | ND | 10 | 0 | ND |
| 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 |
|---|---|---|
| 2014-09-08 | AD96570 | ND |
| 2014-09-08 | AD96570 | ND |
| 2014-10-06 | AD98315 | ND |
| 2014-10-06 | AD98315 | ND |
| 2015-03-09 | 35178831003 | ND |
| 2015-03-09 | 35178831001 | ND |
| 2015-03-09 | 35178831002 | ND |
| 2015-03-09 | 35178831003 | ND |
| 2015-03-09 | 35178831005 | ND |
| 2015-03-09 | 35178831004 | ND |
| 2015-03-09 | 35178831002 | ND |
| 2015-03-09 | 35178831001 | ND |
| 2015-03-09 | 35178831004 | ND |
| 2015-03-09 | 35178831005 | ND |
| 2017-09-18 | 35336897005 | ND |
| 2017-09-18 | 35336897005 | ND |
| 2018-01-09 | 35367792001 | ND |
| 2018-01-09 | 35367792005 | ND |
| 2018-01-09 | 35367792004 | ND |
| 2018-01-09 | 35367792003 | ND |
| 2018-01-09 | 35367792002 | ND |
| 2018-01-09 | 35367792001 | ND |
| 2018-01-09 | 35367792005 | ND |
| 2018-01-09 | 35367792004 | ND |
| 2018-01-09 | 35367792003 | ND |
| 2018-01-09 | 35367792002 | ND |