2. Nat’l Water Quality Monitoring Council NAWQA Liaison Committee Hydrology Spatial Water Data Advisory Committee on Water Information Subcommittees /Task Forces Methods Methods & Data Comparability Board Subcommittee on Sedimentation Federal Geographic Data Committee Work Groups SWR Roundtable Cooperative Cooperative Water Program

3. COOP Task Force Ad Hoc Subcommittee TMDL Advisory Committee on Water Information Subcommittees /Task Forces Sunset Subgroups ACWI 2003 Meeting September 9 -10, 2003 Sunset the above Subgroups Streamgaging Streamgaging Task Force

4. Subcommittee Work Groups National Water Quality Monitoring Council Hydrology Standards Hydrologic Frequency Analysis Work Group Task Group on Hydrology Modeling Water Information Strategies Work Group Spatial Water Data Hydrologic Unit Delineation Methods and Data Comparability Board Collaboration and Outreach Work Group Watershed Components Interactions Work Group

5. Methods and Data Comparability Board Work Groups Biology and Microbiology Outreach and Publicity Water-Quality Data Elements Performance-Based Systems (PBS) National Environmental Methods Index (NEMI) Laboratory and Field Accreditation Nutrients New Technologies

7. Link to ContactsContacts Advisory Committee on Water Information R. Thomas Weimer, Deputy Asst. Secretary Water and Science, DOI Chair Robert M. Hirsch, USGS Alternate Chair Toni M. Johnson, Executive Secretary