The Brazos River and flooding in Brazos County

During the Christmas flood of December 1991, the Brazos reached roughly five miles across west of Bryan and College Station. USGS accounts describe water over roads and broad stretches of the valley. That five-mile story belongs to 1991, not the often-confused statewide flood of 1913.

USGS station 08108700 at SH 21 reports discharge and gage height in near-real time. Gage height means the water level above a set reference point. It is not the depth of water in the channel, and old crest records may use a different reference point.

NOAA's page for the same station adds action and flood-stage categories. Those readings show what the river is doing at the gauge; they do not decide whether one house will flood. Use FEMA's address map and the correct local permit office for parcel questions.