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| Critical Stages |
| 13' -Action |
15' -Flood |
20' -Moderate Flood |
25' -Major Flood |
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| Forecast not available for this location. |
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| Observation history unavailable for thie location. |
| Flood Impacts |
| 25.0 | Widespread flooding occurs in low lying areas. The town of Portis and the bridge on Highway 281 are not threatened by flooding. A record flood of 28.5 feet occurred in July of 1951. |
| 20.0 | Water floods agricultural lowlands. |
| 15.0 | The southeast bank overflows into agricultural and pasture lowlands. Water rises over county road 362. |
| Historical Crests |
Low Water Records |
1) 30.41 ft on 07/12/1951
2) 23.43 ft on 07/21/1993
3) 23.00 ft on 05/29/1995
4) 22.95 ft on 08/16/1968
5) 20.54 ft on 07/27/1998
6) 20.30 ft on 07/29/1967
7) 19.88 ft on 05/13/1982
8) 19.87 ft on 11/17/1996
9) 18.96 ft on 09/18/1967
10) 18.92 ft on 05/30/2001
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Historical low water information is not available.
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Data provided by NOAA Advanced Hydrologic Prediction Service
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