| 37.0 | ABOVE 37 FT...THE TOWN OF KEIZER BEGINS TO FLOOD. ALSO EXPECT MAJOR WIDESPREAD FLOODING FROM SANTIAM TO OREGON CITY. | | 35.0 | ABOVE 35 FT...NUMEROUS ROADS AND STRUCTURES ARE FLOODED. THE WILLAMETTE RIVER ALSO BACKS UP WATER FROM TRIBUTARY STREAMS AND CREEKS...WHICH IN TURN PRODUCES FLOODING OF RESIDENTIAL NEIGHBORHOODS ALONG THESE CREEKS IN THE SALEM AND KEIZER AREAS. | | 32.0 | ABOVE 32 FT...EXPECT WIDESPREAD FLOODING. NUMEROUS ROADS AND STRUCTURES IN THE SALEM/KEIZER VICINITY ARE FLOODED. THE WILLOW LAKE WASTEWATER TREATMENT PLANT IS LIKELY INUNDATED WITH FLOOD WATER AT THIS LEVEL. | | 30.0 | ABOVE 30 FT...EXPECT WIDESPREAD FLOODING OF LOWLAND AGRICULTURAL AREAS AND RURAL AND SECONDARY ROADS. FLOODING ALONG SOME SMALLER STREAMS AND CREEKS WHICH DRAIN INTO THE WILLAMETTE IN THE SALEM VICINITY IS LIKELY DUE TO BACKWATER FROM THE WILLAMETTE RIVER. THE WILLOW LAKE WASTEWATER TREATMENT PLANT IS THREATENED WITH FLOOD WATER INUNDATION ABOVE THIS LEVEL. | | 28.0 | ABOVE 28 FT...WIDESPREAD LOWLAND FLOODING BEGINS ON THE OUTER BANKS OF THE WILLAMETTE AND ISLANDS ON THE MID WILLAMETTE. NUMEROUS SECONDARY ROADS BEGIN FLOODING AT THIS POINT. | | 26.0 | ABOVE 26 FT...EXPECT FLOODING OF NUMEROUS ROADS ALONG THE WILLAMETTE IN THE SALEM AREA. HOMES ON BROWNS ISLAND BEGIN FLOODING AT THIS LEVEL. | | 23.0 | ABOVE 23 FT...MINOR FLOODING OCCURS ON GRAND ISLAND AND OTHER ISLANDS IN THE MID WILLAMETTE RIVER. ACCESS ROADS TO THESE ISLANDS ARE ALSO LIKELY FLOODED AT THIS POINT. | | 20.0 | ABOVE 20 FT...ACCESS ROADS TO THE ISLANDS ON THE WILLAMETTE RIVER IN THE SALEM VICINITY BEGIN TO FLOOD. | | 18.0 | ABOVE 18 FT...NUMEROUS SLOUGHS ARE FILLED...AND A FEW SECONDARY ROADS BEGIN TO FLOOD AT THIS POINT. | | 16.0 | ABOVE 16 FT...THE WHEATLAND FERRY CEASES OPERATIONS. |
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1) 47.00 ft on 12/04/1891
2) 47.00 ft on 12/04/1861
3) 45.10 ft on 02/05/1890
4) 43.30 ft on 01/16/1880
5) 37.78 ft on 12/23/1964
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1) 3.50 ft on 09/02/1940
2) 3.50 ft on 08/27/1940
3) 3.60 ft on 12/02/1936
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