| Specimen ID | 117709 |
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| Group | Mollusks-Bivalves |
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| Genus | Dreissena |
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| Species | polymorpha |
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| Common Name | zebra mussel |
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| State | WI |
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| County | Polk |
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| Locality | St. Croix River 2 miles north of St. Croix Falls, WI (just upstream of a Northern States Power hydroelectric dam) |
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| HUC8 Name | Lower St. Croix |
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| HUC8 Number | 7030005 |
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| Latitude | 45.4234237671 |
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| Longitude | -92.6476669312 |
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| Lat-Long Source | Map derived |
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| Lat-Long Accuracy | accurate |
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| Map | |
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| Day | 12 |
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| Month | 7 (July) |
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| Year | 1997 |
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| Year Accuracy (Specimen) | Actual |
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| Contact | [not displayed for privacy reasons] |
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| Primary Pathway | shipping |
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| Status | established |
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| Comments | This sighting is upstream from a bed of the endangered Winged Mapleleaf unionid. |
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| Record Type | Personal communication |
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| Disposal | "USGS-BRD, Ann Arbor" |
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| Verifier | Diane Waller, USGS-BRD, Ann Arbor, MI |
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| Fresh/Marine Introduction | Freshwater |
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| Number Collected/Observed | 40-50 |
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| Year Class | adult |
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