swan river

Swan River River Levels

River flows across 2 streamgages of the Swan River

Last Updated: November 8, 2025


Total streamflow across the Swan River was last observed at 575 cfs, and is expected to yield approximately 1,140 acre-ft of water today; about 97% of normal. Average streamflow for this time of year is 591 cfs, with recent peaks last observed on 2022-06-22 when daily discharge volume was observed at 7,050 cfs.

Maximum discharge along the river is currently at the Swan River Near Bigfork Mt reporting a streamflow rate of 575 cfs. This is also the highest stage along the Swan River, with a gauge stage of 2.54 ft at this location. This river is monitored from 2 different streamgauging stations along the Swan River, the highest being situated at an altitude of 3,081 ft, the Swan River Near Bigfork Mt.

Last Updated 2025-11-08
Discharge Volume 1,140 ACRE-FT
Streamflow 575.0 cfs
+15.0 cfs (+2.68%)
Percent of Normal 97.26%
Maximum 7,050.0 cfs
2022-06-22
Seasonal Avg 591 cfs
       
River Streamflow Levels
Streamgauge Streamflow Gauge Stage 24hr Change (%) % Normal Minimum (cfs) Maximum (cfs) Air Temp Elevation
Swan River Near Bigfork Mt
USGS 12370000
575 cfs 2.54 ft 2.68
Swan River At East Patchogue Ny
USGS 01305500
10 cfs 0.47 ft 0
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile

The Swan River is a river in the south west of Western Australia. Its Aboriginal Noongar name is the Derbarl Yerrigan. The river runs through the metropolitan area of Perth, Western Australia's capital and largest city.