South Santiam River below Cascadia water level

Name: South Santiam River below Cascadia water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, South Santiam River, Oregon, United States

Directions

Very low for mid-October

Water level

1.93ft Steady over the last 24 hours

Measured Oct 18, 2026, 04:30 AM PDT (18 min ago)

Flow: 29.9 cfs
Water temperature: 49 °F

History

7 days

Water level

What this means

Low water at South Santiam River below Cascadia: the gauge reads 1.93 ft, far below normal for mid-October.

The level has held steady over the past 24 hours. Without real rain upstream, that is unlikely to change quickly. The 30-day range is 1.93 ft – 1.95 ft.

Fall is often low-water season on rivers, and it usually takes a few days of steady rain to change that. The sensor also reports a water temperature of 49 °F.

Compared with 5 years of daily readings for this time of year. How to read levels

Paddling and fishing conditions

At low levels, plan for shorter paddling trips and expect to walk your boat through a few shoals.

Weather at the gauge

No rain in the last 3 days.

17 Sat 67° 49° – Wind 6 mph

18 Sun 62° 43° – Wind 6 mph

19 Mon 64° 48° 0.07 in Wind 6 mph

20 Tue 69° 48° 0.01 in Wind 7 mph

21 Wed 73° 51° – Wind 6 mph

22 Thu 62° 45° – Wind 6 mph

23 Fri 64° 41° – Wind 6 mph

Forecast: Open-Meteo

Sunrise 07:29 AM Sunset 06:22 PM Daylight 10 hr, 53 min First quarter 49%

Map

Other gauges on the South Santiam River

Gauge	Level	Compared with normal	24 hours	Distance
South Santiam River near FosterRiver gauge, South Santiam River	1,150 cfs	Low	−50.0 cfs	10 mi
South Santiam River at WaterlooRiver gauge, South Santiam River	3.15 ft	Below flood stage	−0.04 ft	18 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Middle Santiam River below Green Peter Dam near FosterRiver gauge, Middle Santiam River	700.58 ft	Normal	+0.04 ft	4.7 mi
Green Peter Dam Tailwater near FosterRiver gauge, Green Peter Dam Tailwater	696.64 ft	Normal	+0.01 ft	4.7 mi
Wiley Creek near FosterRiver gauge, Wiley Creek	6.6 cfs	Low	±0	6 mi
Foster Dam Tailwater at FosterRiver gauge, Foster Dam Tailwater	526.07 ft	Normal	−0.05 ft	9 mi
Middle Santiam River near CascadiaRiver gauge, Middle Santiam River	0.68 ft	Very low	±0	11 mi
Quartzville Creek near CascadiaRiver gauge, Quartzville Creek	15.2 cfs	Very low	±0	11 mi
Schafer Creek near LacombRiver gauge, Schafer Creek	0.1 cfs	Low	±0	16 mi
Blue River below Tidbits Creek, near Blue RiverRiver gauge, Blue River	1.73 ft	Low	−0.01 ft	17 mi

Questions and answers

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of South Santiam River below Cascadia today?

On Oct 18, 2026, 04:30 AM PDT, the water level was 1.93 ft. Steady over the last 24 hours.

Is South Santiam River below Cascadia rising or falling?

Steady over the last 24 hours.

Is the level of South Santiam River below Cascadia normal?

Very low for mid-October. Compared with 5 years of daily readings for this time of year.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:14185000 (Agency page)
Coordinates: 44.39179, -122.49758 (WGS84)
Vertical datum: NGVD29
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	1.93 ft	2026-10-18 11:30	Provisional
Flow	29.9 cfs	2026-10-18 11:30	Provisional
Water temperature	49 °F	2026-10-18 11:30	Provisional

Download

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How to cite

U.S. Geological Survey: South Santiam River below Cascadia (usgs:14185000). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/oregon/south-santiam-river-below-cascadia

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer