Middle Santiam River below Green Peter Dam near Foster water level

Name: Middle Santiam River below Green Peter Dam near Foster 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, Middle Santiam River, Oregon, United States

Directions

Normal for mid-October

Water level

700.58ft Up 0.04 ft over the last 24 hours

Measured Oct 16, 2026, 08:30 AM PDT (5 days ago)

Water temperature: 64 °F

History

Not enough readings for a chart yet. History builds up with every update.

What this means

The gauge at Middle Santiam River below Green Peter Dam near Foster reads 700.58 ft, a normal level for mid-October.

The median for mid-October is 699.04 ft, based on 16 years of readings, so the river stage is 1.55 ft above typical.

The water is rising: up 0.04 ft over the past 24 hours.

Fall is often low-water season on rivers, until steadier rain returns. The water temperature at the gauge is 64 °F.

Compared with 16 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 699.04 ft1.55 ft above the median for this date
Normal for this date: 696.86 ft – 704.62 ft8 years in 10 fall in this range (16 years of records)

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

Weather at the gauge

No rain in the last 3 days.

20 Tue 73° 49° – Wind 9 mph

21 Wed 77° 59° – Wind 8 mph

22 Thu 62° 47° 0.02 in Wind 8 mph

23 Fri 56° 36° – Wind 6 mph

24 Sat 65° 39° – Wind 6 mph

25 Sun 70° 46° – Wind 6 mph

26 Mon 71° 46° – Wind 6 mph

Forecast: Open-Meteo

Sunrise 07:34 AM Sunset 06:17 PM Daylight 10 hr, 44 min Waxing gibbous 74%

Map

Other gauges on the Middle Santiam River

Gauge	Level	Compared with normal	24 hours	Distance
Middle Santiam River near Santiam JunctionRiver gauge, Middle Santiam River	9.42 ft	No reference yet	±0	19 mi
Middle Santiam River near CascadiaRiver gauge, Middle Santiam River	0.69 ft	Very low	±0	10 mi

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Green Peter Dam Tailwater near FosterRiver gauge, Green Peter Dam Tailwater	696.64 ft	Normal	+0.01 ft	0.1 mi
South Santiam River below CascadiaRiver gauge, South Santiam River	30.8 cfs	Very low	−1.1 cfs	4.7 mi
Wiley Creek near FosterRiver gauge, Wiley Creek	7.2 cfs	Low	±0	6 mi
Foster Dam Tailwater at FosterRiver gauge, Foster Dam Tailwater	526.07 ft	Normal	−0.05 ft	6 mi
South Santiam River near FosterRiver gauge, South Santiam River	1,140 cfs	Low	−10.0 cfs	7 mi
Quartzville Creek near CascadiaRiver gauge, Quartzville Creek	14.7 cfs	Very low	±0	8 mi
Schafer Creek near LacombRiver gauge, Schafer Creek	0.1 cfs	Very low	±0	13 mi
South Santiam River at WaterlooRiver gauge, South Santiam River	3.16 ft	Below flood stage	+0.01 ft	14 mi

Questions and answers

What is a normal level for the Middle Santiam River below Green Peter Dam near Foster in mid-October?

The median for mid-October is 699.04 ft. In 8 years out of 10 the reading falls between 696.86 ft and 704.62 ft, based on 16 years of records.

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 Middle Santiam River below Green Peter Dam near Foster today?

On Oct 16, 2026, 08:30 AM PDT, the water level was 700.58 ft. Up 0.04 ft over the last 24 hours.

Is Middle Santiam River below Green Peter Dam near Foster rising or falling?

Up 0.04 ft over the last 24 hours.

Is the level of Middle Santiam River below Green Peter Dam near Foster normal?

Normal for mid-October. Compared with 16 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:14186200 (Agency page)
Coordinates: 44.44818, -122.55036 (WGS84)
Vertical datum: NAVD88
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	700.58 ft	2026-10-16 15:30	Provisional
Water temperature	64 °F	2026-10-21 05:20	Provisional

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How to cite

U.S. Geological Survey: Middle Santiam River below Green Peter Dam near Foster (usgs:14186200). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/oregon/middle-santiam-river-below-green-peter-dam-near-foster

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