Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1692280
| CO | Denver | South Platte River, just upstream of Highway 70 | 2021 |
10190003
| Middle South Platte-Cherry Creek | established |
1658179
| CT | Hartford | Blish Memorial Park swimming area | 2021 |
01080205
| Outlet Connecticut River | unknown |
1687204
| CT | New London | Rogers Lake | 2021 |
01080205
| Outlet Connecticut River | established |
1695332
| CT | Tolland | Mansfield Hollow Lake, on land near the water | 2021 |
01100002
| Shetucket River | unknown |
1695326
| GA | Jackson | Bear Creek Reservoir, Public Beach | 2021 |
03070101
| Upper Oconee | established |
1691951
| MI | Jackson | Farewell Lake | 2021 |
04050003
| Kalamazoo | unknown |
1691960
| MI | Jackson | Grass Lake | 2021 |
04050004
| Upper Grand | unknown |
1692285
| MN | Sherburne | Big Lake, MN, USA | 2021 |
07010203
| Clearwater-Elk | established |
1655340
| MS | Noxubee | Shuqualak Auxiliary Airfield, Found in all the drainage ditches throughout the Air Field | 2021 |
03160108
| Noxubee | established |
1657968
| NV | Washoe | Truckee River, shore | 2021 |
16050103
| Pyramid-Winnemucca Lakes | unknown |
1692258
| PA | Blair | Little Juniata River at Tyrone Railroad Park | 2021 |
02050302
| Upper Juniata | established |
1658364
| PA | Cumberland | Yellow Breeches Creek and Boiling Springs | 2021 |
02050305
| Lower Susquehanna-Swatara | unknown |
1657598
| PA | York | Codorus Creek at Spring Grove Municipal Park, York County | 2021 |
02050306
| Lower Susquehanna | established |