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Surface Water
USGS Streamflow Data
- Annual Data Reports for 2000 || 2001 || 2002 || 2003 || 2004 || 2005 || 2006 - Present
- Washington StreamStats
- Surface Water Data via Maps (PDF)
- Surface Water Data via Maps (Google)
- WaterWatch for Washington - Current Conditions || Floods and High Flow || Drought Watch
- NWISWeb Data for Washington || Real-Time - Station List || Surface Water || Site Inventory
- Instantaneous Data Archive - IDA historic discharge unit values
- Surface-Water Quality-Assurance Plan
- National Weather Service Flood Stages at USGS stations
Other Hydrologic and Climate Data
