Knowing water levels and streamflow data permits you to plan safe trips that match your ability and the condition of the water.
Obtaining and evaluating this information before an excursion can spare the disappointment of discovering your favorite river or creek too low for paddling, especially after a long drive to get there. Conversely, you may be willing to travel farther or longer for a river outing if flow conditions are optimal.
To view this information, visit the United States Geological Survey (USGS) tutorial How to Access Real-time Streamflow Data in Your Watershed.