Rivers in Oregon

S. Santiam River at Waterloo

Linn County, OregonNWS WTLO3USGS 14187500Portland office

Below flood stage
3.32ftStage

Observed Sun, Sep 20, 11:15 AM PDT

Flood stage
12.00 ft
Forecast crest
3.34 ftSat, Sep 19, 5:00 PM PDT
Record crest
24.50 ft1964

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood16.00 ft
Moderate flood14.00 ft
Minor flood12.00 ft
Action10.20 ft
  1. 16.00 ftexpect widespread flooding of low-lying farmland and property from Sweet Home downstream to Lebanon, with some flooding of secondary roads near the South Santiam.
  2. 12.00 ftexpect flooding of low-lying areas along the river.

Crest history

15 crests on NOAA’s list since 1927.

#DateStage
1December 22, 196424.50 ft
2December 28, 194522.85 ft
3March 31, 193122.00 ft
4December 11, 195621.10 ft
5February 10, 196121.08 ft
6November 22, 195320.20 ft
7January 1, 194320.10 ft
8December 21, 195519.60 ft
9January 18, 195419.40 ft
10February 21, 192719.40 ft
11February 7, 199613.09 ft
12April 12, 201911.96 ft
13November 19, 199611.31 ft
14January 15, 197410.58 ft
15November 26, 199910.08 ft

Most recent crests

  • April 12, 2019: 11.96 ft
  • November 26, 1999: 10.08 ft
  • November 19, 1996: 11.31 ft
  • February 7, 1996: 13.09 ft
  • January 15, 1974: 10.58 ft
  • December 22, 1964: 24.50 ft
  • February 10, 1961: 21.08 ft
  • December 11, 1956: 21.10 ft
  • December 21, 1955: 19.60 ft
  • January 18, 1954: 19.40 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Northwest River Forecast Center. Forecasts are issued routinely year-round.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.