Graphical Abstract (caption not required
Figure 1a: Map of ER site and measurements of the SFA and some collaborators. The yellow line indicates the East River Community Observatory domain. The red lines indicate the major drainage boundaries of the East River, Washington Gulch (Wash. Gul.), Slate River, and Coal Creek. The blue lines show stream flow lines determined from the National Hydrography Dataset (U.S. Geological Survey, 2001). Measurements by community partners in the Slate River and Redwell basin are not shown. The white box shows the intensively sampled Pumphouse subregion shown in greater detail in Figure 1b.