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| 27.0 |
Water reaches the bottom of the Perkins Road bridge deck at Augusta. |
| 25.0 |
Water affects lower houses in Augusta. |
| 22.0 |
Water affects basements in Augusta. |
| 19.0 |
Water affects driveways and gravel access roads in Augusta. |
| 18.0 |
Widespread agricultural flooding occurs. |
| 16.0 |
Water floods some agricultural land near the river. |
| 15.0 |
Water overflows the south river bank near the Perkins Road bridge at Augusta. |
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Latitude: 40.753650° N,
Longitude: 91.277094° W,
Horizontal Datum:
NAD83
River Stage Reference Frame |
Gauge Height |
Flood Stage |
Uses |
| NWS stage |
0 ft |
15 ft |
Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps |
| Vertical Datum |
Elevation (gauge height = 0) |
Elevation (gauge height = flood stage) |
Elevation information source |
| NAVD88 |
N/A |
N/A |
Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps |
| NGVD 29 |
521.24 ft |
536.24 ft |
Older USGS topographic maps, NGVD29 benchmarks |
| MSL |
N/A |
N/A |
Older USGS topographic maps, MSL benchmarks |
| Other |
N/A |
N/A |
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Hydrologic Resources
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Additional Resources
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here. |
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NWS Information |
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