| Station Name | Station ID | Map | Most Recent Data | Reports |
| Waushara Co. north shore of Twin Lake | 10055860 |
Map
| 2021 |
Details
|
| Wautoma Millpond - Wautoma Millpond | 704003 |
Map
| 1979 |
Details
|
| Weymouth Lake West Shore - Access | 10051011 |
Map
| 2019 |
Details
|
| White River Flowage - Deep Hole | 703034 |
Map
| 2024 |
Details
|
| White River Pond - Center | 704004 |
Map
| 2024 |
Details
|
| Wildrose Millpond at Deep Spot | 703099 |
Map
| 1997 |
Details
|
| Wilson Lake - Deepest Spot | 10021042 |
Map
| 2024 |
Details
|
| Wilson Lake -- [Herbicide Monitoring Site B] | 10044893 |
Map
| 2016 |
Details
|
| Witters Lake - Deep Hole | 703067 |
Map
| 2016 |
Details
|