NAS - Nonindigenous Aquatic Species

Specimen ID	State	County	Locality	Year	HUC Number	Drainage name	Status
854197	OR	Columbia	Dixie Mountain	2007	17090012	Lower Willamette	established
243170	OR	Columbia	Multnomah Channel, Sauvie Island-Gilbert River Boat Ramp	2002	17090012	Lower Willamette	established
854011	OR	Columbia	Saint Helens	2007	17090012	Lower Willamette	established
242774	OR	Multnomah	Burlington Bottoms, northwest of Portland	1998	17090012	Lower Willamette	established
854212	OR	Multnomah	Damascus	2008	17090012	Lower Willamette	established
854174	OR	Multnomah	Portland	2010	17090012	Lower Willamette	established

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

Data are not available for download from the web site. Please contact NAS staff for a custom query.