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USGS Frequently Asked Questions
FAQ's about Rivers
Why is the discharge reported at a particular stage sometimes different in different years or at certain times in the same year?
Why might USGS streamflow data reports not be accurate?
Why do some real-time stream-gaging stations experience equipment problems for extended periods of time?
Why are data sometimes not available for a particular stream-gaging station?
Why are there sometimes differences between river stages as reported by the National Weather Service and by USGS?
How are stream-gaging stations selected for real-time data services?
Why are updated real-time stream-gaging data available only every 4 hours?
How does the USGS collect streamflow data?
How can I obtain river forecasts?
How can I obtain real-time streamflow information?
How are data collected at USGS gaging stations tranferred automatically to the USGS website?
I frequently kayak the Potomac River and the real-time stage data reported by USGS seem to be too high (or too low). Are the USGS data inaccurate?
Is measuring water in a well like measuring a stream?
Does "stage" tell you how much water is flowing in a stream?
Why does the USGS collect streamflow data?
What does the term "stream stage" mean?
Where can I find bathymetric data?
How are floods predicted?
We had a "100-year flood" two years in a row. How can that be?
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