Arkansas River at Lamar flow today
Streamflow at USGS station 07133000, in the Arkansas basin (Division 2).
About this gauge
Arkansas River at Lamar is one of the 83 stream gauges BasinMind reads for the Arkansas basin, Division 2 of Colorado's seven water divisions. It is USGS station 07133000 (38.1058, -102.6182), and the official record is on that station's page.
At Oct 4, 2026, 1:00 p.m. MT it read 115 cfs, about 228 acre-feet a day. USGS publishes no daily median for this gauge, so no percentage is shown.
On the Arkansas River, the nearest gauges BasinMind reads are Arkansas River below John Martin Reservoir upstream and Arkansas River near Granada downstream.
Across Division 2, DWR lists 18 active calls; the most senior is Hardscrabble Ditch on Hardscrabble Creek, priority May 1, 1860 (the full list). A call governs the stretch of river it is placed on, so look for this river in the list.
One cfs is a cubic foot of water passing each second, about 448.8 gallons per minute; percent of median compares today's flow with the median for this date (cfs and acre-feet). How calls work: What is a water call?.
Main-stem gauges in the Arkansas basin
- Arkansas River at Parkdale
- Arkansas River near Leadville · 12 cfs
- East Fork Arkansas River at US Highway 24 near Leadville · 14 cfs
- Arkansas River near Nathrop
- Arkansas River at Portland
- Arkansas River at Moffat Street at Pueblo · 243 cfs
- Arkansas River near Avondale · 610 cfs
- Arkansas River at La Junta
More gauges on the Arkansas River
- Arkansas River below Empire Gulch near Malta
- Arkansas River at Granite
- Arkansas River below Granite
- Arkansas River at Canon City
- Arkansas River near Portland
- Arkansas River above Pueblo
- Arkansas River at Nepesta
- Arkansas River at Catlin Dam near Fowler
- Arkansas River at Las Animas · 112 cfs
- Arkansas River below John Martin Reservoir · 4.4 cfs
- Arkansas River near Granada · 266 cfs
- Arkansas River at Holly · 492 cfs