Oregon Water Resources Data
Current Streamflow Conditions (map)
Current Water-Quality Conditions (table)
Current Ground-Water Conditions
Historical Water Data (NWISWeb)
Surface-Water · Ground-Water · Water-Quality
Oregon Water Data Requests (for data not available through NWISWeb)
Oregon Water Data Grapher and Tabler
StreamStats
Instantaneous Data Archive (IDA)
Water Year 2007 Flood Information
Map of Significant Flooding, with Flood Frequencies
Surface-Water Data Collection Program
Oregon Annual Water Data Reports
Geographic Data
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