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| 21.5 |
Water reaches the bottom of the Illinois Highway 26 bridge deck in Freeport. |
| 20.0 |
Water reaches the bottom of the Stephenson Street bridge deck. |
| 19.0 |
Water affects businesses west of the Stephenson Street bridge. |
| 17.0 |
Water affects the parking lots of several businesses near the Stephenson Street bridge. |
| 16.5 |
Water surrounds Taylor Park School and affects Illinois Highway 75 east of Freeport. |
| 16.0 |
Water affects parking lots of businesses east of the Stephenson Street bridge and most streets north and south of Illinois Highway 75 are closed. Illinois Highway 75 is also closed. |
| 15.5 |
Numerous streets are closed north and south of Illinois Highway 75 and water enters the first floor level of a few homes. Water also begins to enter Taylor Park. Businesses along Van Buren Street north of the Pecatonica River are directly affected by water. |
| 15.0 |
Some street closures begin north and south of Illinois Highway 75 and water affects many back yards in Freeport east of the Pecatonica River. Water begins to reach Illinois Highway 75 at the southeast corner of Taylor Park. |
| 14.0 |
Minor street flooding begins in Freeport and water affects a few back yards east of the Pecatonica River. |
| 13.0 |
Water affects low lying sections of Freeport mainly east of the Pecatonica River. |
| 11.0 |
Some agricultural flooding occurs north of Freeport. |
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Latitude: 42.302797° N,
Longitude: 89.619561° W,
Horizontal Datum:
NAD83
River Stage Reference Frame |
Gauge Height |
Flood Stage |
Uses |
| NWS stage |
0 ft |
13 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 |
743.18 ft |
756.18 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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