Streamflow
Streamflow
Daily mean discharge at basin-representative gauges.
Data through Sep 30, 2026 · updated Oct 1, 2026
Gunnison River below Gunnison Tunnel streamflow
Daily mean discharge, Gunnison-Colorado basin, Colorado
210 cfs · Sep 30, 2026
-53% vs 5-yr median
Colorado River near Cisco streamflow
Daily mean discharge, Colorado (Upper) basin, Utah
2,590 cfs · Sep 30, 2026
-28% vs 5-yr median
Yampa River near Maybell streamflow
Daily mean discharge, Yampa-Green basin, Colorado
104 cfs · Sep 30, 2026
-24% vs 5-yr median
Boise River at Glenwood Bridge streamflow
Daily mean discharge, Boise-Snake basin, Idaho
389 cfs · Sep 30, 2026
-23% vs 5-yr median
Willamette River at Portland streamflow
Daily mean discharge, Willamette-Columbia basin, Oregon
6,580 cfs · Sep 29, 2026
-17% vs 5-yr median
Colorado River at Lees Ferry streamflow
Daily mean discharge, Colorado (Compact Point) basin, Arizona
7,940 cfs · Sep 30, 2026
-16% vs 5-yr median
Snake River above Jackson Lake streamflow
Daily mean discharge, Snake-Columbia basin, Wyoming
230 cfs · Sep 30, 2026
-2% vs 5-yr median
Columbia River at The Dalles streamflow
Daily mean discharge, Columbia basin, Oregon
90,800 cfs · Sep 29, 2026
-1% vs 5-yr median
Sacramento River at Verona streamflow
Daily mean discharge, Sacramento basin, California
14,800 cfs · Sep 30, 2026
0% vs 5-yr median
American River at Fair Oaks streamflow
Daily mean discharge, American-Sacramento basin, California
1,830 cfs · Sep 30, 2026
+4% vs 5-yr median
Rio Grande at Otowi Bridge streamflow
Daily mean discharge, Rio Grande basin, New Mexico
1,440 cfs · Sep 30, 2026
+313% vs 5-yr median
San Juan River at Farmington streamflow
Daily mean discharge, San Juan-Colorado basin, New Mexico
3,260 cfs · Sep 30, 2026
+372% vs 3-yr median
Salt River near Roosevelt streamflow
Daily mean discharge, Salt-Gila basin, Arizona
10,800 cfs · Sep 30, 2026
+4,575% vs 5-yr median
Every gauge we track is on the water map, and the table under the map lists each one's latest daily flow against its 5-yr median, including the gauges without a page here.