| 57.0 | ABOVE 57.0 FEET...WIDESPREAD AND MAJOR FLOODING OF HOMES AND PROPERTY JUST UPSTREAM AND DOWNSTREAM OF CASTLE ROCK. MAJOR FLOODING OF THE FAIRGROUNDS AREA WEST OF CASTLE ROCK. NUMEROUS ROAD CLOSURES. POSSIBLE OVERTOPPING OR WEAKENING OF PORTIONS OF THE LEVEE PROTECTING CASTLE ROCK...ESPECIALLY SECTIONS DOWNSTREAM OF THE HIGHWAY BRIDGE. | | 54.0 | ABOVE 54 FEET...EXPECT WIDESPREAD FLOODING OF RESIDENTIAL AND BUSINESS AREAS...ESPECIALLY WEST OF THE RIVER IN THE FOUR CORNERS AREA AND ALONG HIGHWAY 411. ALSO EXPECT WIDESPREAD FLOODING OF AGRICULTURAL LAND. LEVEES HAVE HISTORICALLY BEEN THREATENED OF OVERTOPPING AT THIS AND HIGHER LEVELS. | | 51.0 | ABOVE 51 FEET...FLOODING OF BUILDINGS AND RESIDENTIAL AREAS BEGINS...ESPECIALLY WEST OF THE RIVER ALONG HIGHWAY 411 AND AROUND FOUR CORNERS. ALSO EXPECT WIDESPREAD FLOODING OF LOW-LYING AGRICULTURAL LAND. | | 48.0 | ABOVE 48 FEET...EXPECT FLOODING OF SEVERAL ROADS AND LOW-LYING AGRICULTURAL LANDS IN AREAS NOT PROTECTED BY LEVEES. |
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1) 55.76 ft on 02/08/1996
2) 55.16 ft on 11/30/1995
3) 54.70 ft on 01/08/2009
4) 52.95 ft on 05/18/1980
5) 50.60 ft on 01/09/1990
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1) 0.00 ft on 11/08/1935
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