Dalapon
Tempe Water Supply Corporation 1
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
16
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 |
|---|---|---|---|---|
| 2012 | N/A | 0 | 0 | N/A |
| 2013 | ND | 4 | 0 | ND |
| 2014 | ND | 5 | 0 | ND |
| 2015 | ND | 1 | 0 | ND |
| 2016 | ND | 1 | 0 | ND |
| 2017 | ND | 5 | 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 |
|---|---|---|
| 2013-06-14 | AC22258 | ND |
| 2013-06-14 | AC22257 | ND |
| 2013-06-14 | AC22247 | ND |
| 2013-06-14 | AC22244 | ND |
| 2014-01-15 | AC39081 | ND |
| 2014-01-15 | AC39085 | ND |
| 2014-01-15 | AC39080 | ND |
| 2014-01-15 | AC39084 | ND |
| 2014-06-23 | AC57644 | ND |
| 2015-06-02 | AC94118 | ND |
| 2016-06-07 | AD39609 | ND |
| 2017-02-15 | AD70884 | ND |
| 2017-02-15 | AD70878 | ND |
| 2017-02-15 | AD70880 | ND |
| 2017-06-01 | AD86370 | ND |
| 2017-06-01 | AD86475 | ND |