S. Santiam River at Waterloo

Last updated: Jul 21, 2025, 3:52 AM UTC
No watches, warnings or advisories are in effect for this area.

Flood Impacts 🅘

  • 16 - expect widespread flooding of low-lying farmland and property from Sweet Home downstream to Lebanon, with some flooding of secondary roads near the South Santiam.
  • 12 - expect flooding of low-lying areas along the river.

Gauge Info

Coordinates 44.4978, -122.822
RFC NWRFC
State OR
WFO PQR
County Linn
Data Provider(s)
US Geological Survey USGS--Water Resources of the United States
USGS 14187500
COE Website

Gauge Location

Recent Crests

1. 11.96 ft on 04-12-2019
2. 10.08 ft on 11-26-1999
3. 11.31 ft on 11-19-1996
4. 13.09 ft on 02-07-1996
5. 10.58 ft on 01-15-1974

Historic Crests

1. 24.50 ft on 12-22-1964
2. 22.85 ft on 12-28-1945
3. 22.00 ft on 03-31-1931
4. 21.10 ft on 12-11-1956
5. 21.08 ft on 02-10-1961

Gauge Photos

Photo 1 of 3

Downstream view

Probability Information

Photo 1 of 1

Collaborative Agencies

The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.

WFO Information

Weather Forecast Office
Portland
5241 NE 122nd Avenue
Portland, OR 97230-1089
Official Homepage