| Flood Impacts |
| 37.0 | ABOVE 37 FT...EXPECT WIDESPREAD FLOODING OF HOMES AND ROADS IN AND AROUND FARMINGTON...TUALATIN...AND WEST LINN. HISTORICALLY...NUMEROUS HOMES IN THE CITY OF TUALATIN ALONG AND NEAR THE TUALATIN RIVER HAVE FLOODED AT THIS LEVEL. AT THIS LEVEL...THE OSWEGO CANAL INLET GATE WILL LIKELY BE OVERTOPPED. |
| 36.0 | ABOVE 36 FT...EXPECT FLOODING OF NUMEROUS HOMES AND ROADS. HISTORICALLY...EVACUATIONS IN SEVERAL AREAS INCLUDING FARMINGTON...TUALATIN...AND RIVERGROVE HAVE TAKEN PLACE WHEN THE RIVER REACHED THIS STAGE. AT THIS LEVEL...THE OSWEGO CANAL INLET GATE IS IN DANGER OF BEING OVERTOPPED. |
| 35.0 | ABOVE 35 FT...EXPECT WIDESPREAD FLOODING OF LOWLAND AREAS. FLOODING OF NUMEROUS RESIDENTIAL AREAS IN AND AROUND FARMINGTON...TUALATIN...AND RIVERGROVE JUST EAST OF I-5 BEGINS AT THIS LEVEL. ALSO EXPECT FLOODING OF NUMEROUS ROADS AND SUBSEQUENT ROAD CLOSURES IN THESE AREAS. |
| 32.0 | ABOVE 32 FT...EXPECT WIDESPREAD LOWLAND FLOODING...ALONG WITH FLOODING OF NUMEROUS SECONDARY ROADS IN AND AROUND FARMINGTON AND TUALATIN. |
| 28.0 | AT 28 FT...THE RIVER IS AT BANKFULL LEVEL. THERE ARE LIKELY SOME AREAS WHERE THE RIVER IS SPILLING OVER ITS BANKS AT THIS LEVEL. |
