Dalapon
Blanchard Water System
The herbicide dalapon has not been used in the U.S. since 1999. In animal studies, exposure to dalapon harms the kidneys.
20
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 | 46.0 ppb | 2 | 2 | 46.0 ppb |
| 2015 | ND | 4 | 0 | ND |
| 2016 | ND | 2 | 0 | ND |
| 2017 | ND | 4 | 0 | ND |
| 2018 | ND | 4 | 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 |
|---|---|---|
| 2014-04-07 | AD90458 | 46.0 ppb |
| 2014-04-07 | AD90458 | 46.0 ppb |
| 2015-03-23 | 35181011004 | ND |
| 2015-03-23 | 35181011004 | ND |
| 2015-10-19 | 35212906004 | ND |
| 2015-10-19 | 35212906004 | ND |
| 2016-12-08 | 35282332005 | ND |
| 2016-12-08 | 35282332005 | ND |
| 2017-04-17 | 35307223002 | ND |
| 2017-04-17 | 35307223002 | ND |
| 2017-10-04 | 35341216001 | ND |
| 2017-10-04 | 35341216001 | ND |
| 2018-01-08 | 35367511001 | ND |
| 2018-01-08 | 35367511001 | ND |
| 2018-07-23 | 35407300001 | ND |
| 2018-07-23 | 35407300001 | ND |
| 2019-02-18 | 35449623001 | ND |
| 2019-02-18 | 35449623001 | ND |
| 2019-07-25 | 35485233001 | ND |
| 2019-07-25 | 35485233001 | ND |