Summary
Total streamflow across the
Middle River
was last observed at
7,847
cfs, and is expected to yield approximately
15,564
acre-ft of water today; about 154%
of normal.
River levels are high.
Average streamflow for this time of year is
5,104 cfs,
with recent peaks last observed
on
2015-07-29 when daily discharge volume was observed at
28,365 cfs.
Maximum discharge along the river is currently at the
Middle R At Middle River Ca
reporting a streamflow rate of 7,680 cfs.
However, the streamgauge with the highest stage along the river is the
Middle River Near Indianola
with a gauge stage of 7.19 ft.
This river is monitored from 6 different streamgauging stations along the Middle River, the highest being situated at an altitude of 1,081 ft, the
Middle River Near Grottoes.
River Details
| Last Updated | 2025-12-22 |
| Discharge Volume | 15,564 ACRE-FT |
| Streamflow |
7,847.0 cfs
-4178.0 cfs (-34.74%) |
| Percent of Normal | 153.73% |
| Maximum |
28,365.0 cfs
2015-07-29 |
| Seasonal Avg | 5,104 cfs |
River Streamflow Levels
| Streamgauge | Streamflow | Gauge Stage | 24hr Change (%) | % Normal | Minimum (cfs) | Maximum (cfs) | Air Temp | Elevation |
|---|---|---|---|---|---|---|---|---|
|
Middle River Near Grottoes
USGS 01625000 |
167 cfs | 3.69 ft | -25.78 | |||||
|
Middle River At Argyle
USGS 05087500 |
10 cfs | 3.45 ft | -19.84 | |||||
|
Middle River Near Indianola
USGS 05486490 |
48 cfs | 7.19 ft | 5.09 | |||||
|
Middle River Rouge Near Garden City
USGS 04167000 |
63 cfs | 3.5 ft | -29.58 | |||||
|
Middle River Rouge At Dearborn Heights
USGS 04167150 |
170 cfs | 3.87 ft | ||||||
|
Middle R At Middle River Ca
USGS 11312676 |
7680 cfs | 5.81 ft | -34.92 |
Seasonal Discharge Comparison
Maximum Streamflow Discharge
Streamflow Elevation Profile
Middle River is a locality in the Australian state of South Australia located on the north coast of Kangaroo Island overlooking Investigator Strait about 162 kilometres (101 miles) south-west of the state capital of Adelaide.Its boundaries were created in March 2002 for the “long established name” and include the following shack sites - Middle River Shack Site and King George Shack Site. In 2011, a portion of Middle River was excised and added to the adjoining locality of Western River.The locality includes the watercourse called the Middle River and the associated water storage facility, the Middle River Reservoir.Land use in the locality is principally for agricultural purposes with activity limited on both the coastline to the north and on land at the locality’s southern boundary respectively for conservation purposes and for the protection of the drainage basin supplying the Middle River Reservoir.Middle River is located within the federal division of Mayo, the state electoral district of Mawson and the local government area of the Kangaroo Island Council.