That's a great site. I usually start from water.weather.gov but I don't remember why. It's cool how much data U.S. governments collect. You can get everything from water flow and depth to the price and quality of wholesale lettuce.

Tidbit from your water gage link: parts of central Florida are still under record-high floods, days after the hurricane. https://waterdata.usgs.gov/monitoring-location/02296750/#par...