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| 26.0 |
This is the height of the Waterloo levee design protection. |
| 24.5 |
Water reaches the underside of the railroad bridge just upstream of the gage site. |
| 22.0 |
Water wells are endangered. |
| 19.0 |
Chicago-Illinois Central RR inundated between Cedar Falls and Waterloo, nearly 30,000 acres are flooded. Water is at the underside of RR bridge just upstream from the river gage. |
| 13.5 |
The Virden Creek outlet is closed in Waterloo. Depending on the situation the Virden Creek outlet will be closed between 12 and 14 ft. |
| 13.0 |
There is minor street flooding in Evansdale along with about 22,000 acres flooded. |
| 11.5 |
At this level adjacent lowland agricultural flooding occurs. |
| 11.0 |
Exchange and the Cedar River parks in Waterloo are affected. |
| 10.5 |
Flooding begins in the Sherwood park area on the northwest edge of Waterloo proper. |
| 10.0 |
This is the bankfull stage for most areas of Waterloo. |
| 8.0 |
Activation stage for NWR broadcasts. City of Waterloo begins closing storm drains. |
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Latitude: 42.495542° N,
Longitude: 92.334352° W,
Horizontal Datum:
NAD83
River Stage Reference Frame |
Gauge Height |
Flood Stage |
Uses |
| NWS stage |
0 ft |
12 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 |
824.14 ft |
836.14 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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