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Hydrograph River at a Glance Download Inundation
Pecatonica River at Freeport Stage (ft)Flow (cfs)U.S. Geological SurveyFEEI2(plotting HGIRP) Graph Created (5:33AM Jan 24, 2022)Flood Stage is 13 ft
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Datum: Not Available
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: Gauge reading may be affected by ice.

NOTE: Forecasts for the Pecatonica River at Freeport are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Martintown Upstream Gauge Downstream Gauge Downstream Gauge - near Shirland
Flood Categories (in feet)
Major Flood Stage: 16
Moderate Flood Stage: 14
Flood Stage: 13
Action Stage: 11.5
Low Stage (in feet): -9999

Historic Crests
(1) 19.76 ft on 03/16/1929
(2) 19.40 ft on 03/28/1916
(3) 18.82 ft on 02/25/1922
(4) 18.45 ft on 09/16/1914
(5) 18.36 ft on 04/06/1923
(6) 17.60 ft on 03/16/1919
(7) 17.41 ft on 04/03/1933
(8) 17.27 ft on 02/27/1915
(9) 17.27 ft on 03/17/2019
(10) 17.16 ft on 07/03/1969
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 15.61 ft on 10/09/2019
(2) 17.27 ft on 03/17/2019
(3) 16.14 ft on 02/25/2018
(4) 15.39 ft on 07/26/2017
(5) 15.84 ft on 07/24/2017
(6) 12.18 ft on 12/16/2015
(7) 11.99 ft on 11/29/2015
(8) 12.63 ft on 06/16/2015
(9) 12.70 ft on 03/21/2014
(10) 14.71 ft on 03/15/2013
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to

Zoom Level:16
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Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
21.5 Water reaches the bottom of the Illinois Highway 26 bridge deck in Freeport.
20 Water reaches the bottom of the Stephenson Street bridge deck.
19 Water affects businesses west of the Stephenson Street bridge.
17 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 Major Flood Stage. 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 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 Moderate Flood Stage. Minor street flooding begins in Freeport and water affects a few back yards east of the Pecatonica River.
13 Flood Stage. Water affects low lying sections of Freeport mainly east of the Pecatonica River.
11 Some agricultural flooding occurs north of Freeport.
About This Location Collapse

Latitude: 42.300278° N, Longitude: 89.615278° W, Horizontal Datum: NAD83/WGS84

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)
(gauge height = flood stage)
Elevation information source
NAVD88 742.41 ft 755.41 ft 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 Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

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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.
NWS Information
National Weather Service
Quad Cities Weather Forecast Office
9040 N Harrison Street
Davenport, IA 52806-7326
(563) 386-3976
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Page last modified: 2-Nov-2020 7:29 PM
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