Diquat
E Stroudsburg Boro Water Dept
Diquat is a herbicide used on potato crops and aquatic weeds.
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 | ND | 10 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | ND | 10 | 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
EWG Health Guideline 6 ppb
The EWG Health Guideline of 6 ppb for diquat was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cataracts.
EPA Maximum Contaminant
Level (MCL) 20 ppb
The legal limit for diquat, established in 1992, was based on a toxicity study in laboratory animals conducted in the 1980s.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2014-04-23 | 14043845-001 | ND |
| 2014-04-30 | 14044952-001 | ND |
| 2014-04-30 | 14044952-002 | ND |
| 2014-04-30 | 14044952-003 | ND |
| 2014-04-30 | 14044952-004 | ND |
| 2014-07-28 | 14073078-001 | ND |
| 2014-09-03 | 14090213-001 | ND |
| 2014-09-03 | 14090213-002 | ND |
| 2014-09-03 | 14090213-003 | ND |
| 2014-09-03 | 14090213-004 | ND |
| 2017-05-22 | 16113514 | ND |
| 2017-05-22 | 16113479 | ND |
| 2017-05-22 | 16113444 | ND |
| 2017-05-22 | 16113409 | ND |
| 2017-05-22 | 16113374 | ND |
| 2017-08-21 | 16584712 | ND |
| 2017-08-21 | 16584746 | ND |
| 2017-08-21 | 16584780 | ND |
| 2017-08-21 | 16584678 | ND |
| 2017-09-26 | 16744139 | ND |