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| Critical Stages |
| 13' -Action |
14' -Flood |
15.5' -Moderate Flood |
18.5' -Major Flood |
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| Forecast not available for this location. |
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| Observation history unavailable for thie location. |
| Flood Impacts |
| 22.0 | Water reaches to near the top of the levee of the south bank at Marengo. |
| 18.0 | Water breaches the mill race dikes near Middle Amana affecting the Amana Refrigeration parking lot and southeast exterior of the plant. |
| 16.0 | Water affects agricultural land along the river. Water is several feet deep in places. |
| 14.0 | Water affects low-lying agricultural land along the river. |
| 11.0 | Water affects the lowest agricultural land along the river. |
| Historical Crests |
Low Water Records |
1) 20.31 ft on 07/19/1993
2) 20.26 ft on 07/12/1993
3) 19.79 ft on 07/12/1969
4) 19.57 ft on 08/19/1993
5) 19.40 ft on 03/19/1979
6) 19.21 ft on 03/31/1960
7) 18.92 ft on 06/30/1998
8) 18.82 ft on 05/19/1974
8) 18.82 ft on 03/24/1975
10) 18.74 ft on 03/13/1980
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1) 5.60 ft on 10/24/2003
2) 5.70 ft on 11/26/2005
3) 0.00 ft on 01/29/1977
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Data provided by NOAA Advanced Hydrologic Prediction Service
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