The National Map. USGS_Gage. WRIR. Waterwatch-Realtime Q. States Reg. Eqns. How streamflow is measured: USGS Water Science. The USGS Water Science School A Beta version of the new USGS website has been released for public comment.Use the "Feedback" button at bottom of every Beta page to tell us what you think. Printer-friendly version of this complete article (PDF). If you're a teenager, I imagine your favorite activity is to sit with your parents on a quiet river bank, drink your glass of lemonade, and ponder the complexities of life. Probably the first question you ask is "How much water is flowing in this river? " You've come to the right place for an answer.
The U.S. Geological Survey has been measuring streamflow on thousands of rivers and streams for many decades and by reading this set of Web pages you can find out how the whole streamflow-measurement process works. Often during a large rainstorm you can hear an announcement on the radio like "Peachtree Creek is expected to crest later today at 14.5 feet. " Introduction to USGS Streamgaging The U.S. Streamgaging generally involves 3 steps. Related topics: