| Flood Impacts |
| 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. |
