| 45.0 | ABOVE 45 FT...MAJOR FLOODING OF HOMES AND INDUSTRIAL AREAS IN GLADSTONE AND WEST LINN HAS HISTORICALLY OCCURRED AT THIS AND HIGHER STAGES. ALSO EXPECT FLOODING OF THE SHOPPING DISTRICT AND OTHER BUSINESSES ALONG THE WILLAMETTE RIVER IN OREGON CITY ADJACENT TO I-205. | | 40.0 | ABOVE 40 FT...NUMEROUS HOMES ARE THREATENED WITH FLOODING IN THE VICINITY OF WEST LINN AND MARYLHURST ALONG RIVER ST...AND ALSO IN THE OAK GROVE AREA. EXPECT WIDESPREAD FLOODING OF LOWLAND AREAS...PARKS...ROADS AND A FEW STRUCTURES ALONG AND NEAR THE WILLAMETTE RIVER FROM OREGON CITY TO PORTLAND. | | 35.0 | ABOVE 35 FT...EXPECT WIDESPREAD FLOODING OF LOW LYING AREAS ALONG THE WILLAMETTE RIVER FROM OREGON CITY TO PORTLAND. CLACKAMETTE PARK AT THE CONFLUENCE OF THE CLACKAMAS AND WILLAMETTE RIVERS IS FLOODED AT THIS AND HIGHER STAGES. | | 32.0 | ABOVE 32 FT...ISLANDS ON THE WILLAMETTE RIVER BETWEEN OREGON CITY AND DOWNTOWN PORTLAND BEGIN TO FLOOD. LOWLAND FLOODING ALONG THE RIVER BECOMES MORE WIDESPREAD AT THIS LEVEL. | | 27.0 | ABOVE 27 FT...FLOODING BEGINS IN LOW LYING AREAS ALONG THE WILLAMETTE RIVER DOWNSTREAM OF OREGON CITY TO LAKE OSWEGO. THE AREAS MAINLY IMPACTED AT THIS LEVEL HISTORICALLY HAVE BEEN THE RIVER GREEN GOLF COURSE AND CITY PARK AT GLADSTONE. |
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1) 50.50 ft on 02/05/1890
2) 48.10 ft on 12/25/1964
3) 48.00 ft on 12/05/1861
4) 47.80 ft on 01/09/1923
5) 46.04 ft on 02/09/1996
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1) 2.00 ft on 11/26/1952
2) 2.40 ft on 10/01/1961
3) 3.00 ft on 09/07/1958
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