| 16.0 | BETWEEN 16 AND 17 FT, FLOOD WATERS REACH THE GAUGE OVER THE MERMENTAU RIVER. | | 15.1 | BETWEEN 15.1 AND 16.0 FT, FLOOD WATERS REACH THE BASE OF THE SOUTHERN PACIFIC RAILROAD BRIDGE EAST OF MERMENTAU ACROSS AN UNNAMED TRIBUTARY. | | 14.3 | THE RIVER IS AT ITS FLOOD OF RECORD. WIDESPREAD MAJOR TO CATASTROPHIC FLOODING WILL OCCUR. | | 13.4 | THE RIVER IS NEAR ITS 100 YEAR FLOOD LEVEL. MOST OF THE COMMUNITY OF MERMENTAU IS INUNDATED WITH FLOOD WATERS. | | 13.3 | WATER REACHES THE ROADWAY OF THE OF U.S. 90 BRIDGE EAST OF MERMENTAU. | | 11.9 | FLOOD WATERS REACH THE ROADWAY ON THE FIELD ROAD BRIDGE EAST OF MERMENTAU. | | 8.5 | SOME RESIDENTIAL FLOODING IN MERMENTAU WILL OCCUR. OPERATIONS AT LEEVAC SHIPYARD CAN BE AFFECTED. | | 7.5 | WATER IS ON THE ROADWAY OF THE FIELD ROAD BRIDGE IN THE SOUTHEAST PART OF MERMENTAU. | | 6.2 | THE WATER REACHES THE ROADWAY OF THE 13TH STREET BRIDGE IN THE SOUTHERN PORTION OF MERMENTAU. | | 6.0 | FLOODING OF THE SHIPYARD BEGINS. | | 5.5 | A FEW RECREATIONAL CAMPS AND RESIDENCES ARE SUBJECT TO FLOODING. | | 4.0 | MINOR LOWLAND FLOODING NEAR THE RIVER WILL OCCUR. |
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1) 14.50 ft on 08/07/1940
2) 13.36 ft on 05/23/1953
3) 11.06 ft on 02/10/1955
4) 10.97 ft on 11/02/1985
5) 9.47 ft on 12/10/1972
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3) 0.06 ft on 11/08/1990
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