| Specimen ID | State | County | Locality | Year | HUC Number | Drainage Name | Status |
| 253090 | WI | Marinette | Lower Scott Flowage (Menominee River) | 2006 | 04030108 | Menominee | established |
| 253091 | WI | Marinette | Upper Scott Flowage (Menominee River) | 2006 | 04030108 | Menominee | established |
| 1426116 | WI | Marinette | Lower Menominee River | 2010 | 04030108 | Menominee | established |
| 1424134 | WI | Marinette | Upper Scott Flowage (Menominee River) | 2006 | 04030108 | Menominee | established |
| 1612045 | WI | Marinette | [No locality description provided] | 2018 | 04030108 | Menominee | established |
| 1612073 | WI | Marinette | [No locality description provided] | 2018 | 04030108 | Menominee | established |
Citation for this information:
U.S. Geological Survey, 2025,
Potamogeton crispus: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 12/15/2025