Dalapon
Bethesda WSC
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 | 11 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | ND | 4 | 0 | ND |
| 2017 | ND | 11 | 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 |
|---|---|---|
| 2014-06-13 | Q1421328007 | ND |
| 2014-06-13 | Q1421328006 | ND |
| 2014-10-07 | Q1451274032 | ND |
| 2014-10-07 | Q1451274031 | ND |
| 2014-10-07 | Q1451274030 | ND |
| 2014-10-07 | Q1451274029 | ND |
| 2014-10-07 | Q1451274028 | ND |
| 2014-10-07 | Q1451274027 | ND |
| 2014-10-07 | Q1451274026 | ND |
| 2014-10-07 | Q1451274025 | ND |
| 2014-10-07 | Q1451274024 | ND |
| 2016-11-08 | Q1648213014 | ND |
| 2016-11-08 | Q1648213015 | ND |
| 2016-11-08 | Q1648213013 | ND |
| 2016-11-08 | Q1648213012 | ND |
| 2017-01-31 | Q1704122001 | ND |
| 2017-01-31 | Q1704122023 | ND |
| 2017-10-17 | Q1753293027 | ND |
| 2017-10-17 | Q1753293018 | ND |
| 2017-10-17 | Q1753293048 | ND |
| 2017-10-17 | Q1753293017 | ND |
| 2017-10-17 | Q1753293047 | ND |
| 2017-10-17 | Q1753293016 | ND |
| 2017-11-01 | Q1756223008 | ND |
| 2017-11-01 | Q1756223032 | ND |
| 2017-11-01 | Q1756223031 | ND |