This report presents results of surface-water-quality data retrievals for Fort Clatsop National Memorial from six U.S. EPA national databases (STORET, RF3, IFD, DRINKS, GAGES, DAMS). It provides a complete inventory of retrieved water quality parameter data and stations, descriptive statistics and graphical plots characterizing period of record and trends, comparisons to EPA and WRD screening criteria, and an Inventory Data Evaluation and Analysis (IDEA). Digital copies of data and report components accompany the report.