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)
Map of Significant Flooding, with Flood Frequencies
Surface-Water Data Collection Program
Oregon Annual Water Data Reports
Geographic Data
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