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Hydrograph River at a Glance Download
Illinois River at Hardin Stage (ft)Observed: 22.51 ft at 8:00AM Mar 19, 2023Observed: 22.52 ft at 8:30AM Mar 19, 2023Observed: 22.51 ft at 9:00AM Mar 19, 2023Observed: 22.52 ft at 9:30AM Mar 19, 2023Observed: 22.52 ft at 10:00AM Mar 19, 2023Observed: 22.52 ft at 10:30AM Mar 19, 2023Observed: 22.52 ft at 11:00AM Mar 19, 2023Observed: 22.51 ft at 11:30AM Mar 19, 2023Observed: 22.52 ft at 12:00PM Mar 19, 2023Observed: 22.52 ft at 12:30PM Mar 19, 2023Observed: 22.52 ft at 1:00PM Mar 19, 2023Observed: 22.53 ft at 1:30PM Mar 19, 2023Observed: 22.52 ft at 2:00PM Mar 19, 2023Observed: 22.53 ft at 2:30PM Mar 19, 2023Observed: 22.53 ft at 3:00PM Mar 19, 2023Observed: 22.54 ft at 3:30PM Mar 19, 2023Observed: 22.54 ft at 4:00PM Mar 19, 2023Observed: 22.55 ft at 4:30PM Mar 19, 2023Observed: 22.54 ft at 5:00PM Mar 19, 2023Observed: 22.55 ft at 5:30PM Mar 19, 2023Highest Observation: 22.56 ft at 6:00PM Mar 19, 2023Observed: 22.55 ft at 6:30PM Mar 19, 2023Observed: 22.55 ft at 7:00PM Mar 19, 2023Highest Observation: 22.56 ft at 7:30PM Mar 19, 2023Highest Observation: 22.56 ft at 8:00PM Mar 19, 2023Observed: 22.55 ft at 8:30PM Mar 19, 2023Observed: 22.55 ft at 9:00PM Mar 19, 2023Observed: 22.54 ft at 9:30PM Mar 19, 2023Observed: 22.53 ft at 10:00PM Mar 19, 2023Observed: 22.53 ft at 10:30PM Mar 19, 2023Observed: 22.52 ft at 11:00PM Mar 19, 2023Observed: 22.52 ft at 11:30PM Mar 19, 2023Observed: 22.52 ft at 12:00AM Mar 20, 2023Observed: 22.51 ft at 12:30AM Mar 20, 2023Observed: 22.51 ft at 1:00AM Mar 20, 2023Observed: 22.5 ft at 1:30AM Mar 20, 2023Observed: 22.5 ft at 2:00AM Mar 20, 2023Observed: 22.5 ft at 2:30AM Mar 20, 2023Observed: 22.5 ft at 3:00AM Mar 20, 2023Observed: 22.5 ft at 3:30AM Mar 20, 2023Observed: 22.5 ft at 4:00AM Mar 20, 2023Observed: 22.49 ft at 4:30AM Mar 20, 2023Observed: 22.48 ft at 5:00AM Mar 20, 2023Observed: 22.48 ft at 5:30AM Mar 20, 2023Observed: 22.49 ft at 6:00AM Mar 20, 2023Observed: 22.48 ft at 6:30AM Mar 20, 2023Observed: 22.47 ft at 7:00AM Mar 20, 2023Observed: 22.46 ft at 7:30AM Mar 20, 2023Observed: 22.47 ft at 8:30AM Mar 20, 2023Observed: 22.46 ft at 9:00AM Mar 20, 2023Observed: 22.48 ft at 9:30AM Mar 20, 2023Observed: 22.46 ft at 10:00AM Mar 20, 2023Observed: 22.48 ft at 10:30AM Mar 20, 2023Observed: 22.47 ft at 11:00AM Mar 20, 2023Observed: 22.47 ft at 11:30AM Mar 20, 2023Observed: 22.48 ft at 12:00PM Mar 20, 2023Observed: 22.46 ft at 12:30PM Mar 20, 2023Observed: 22.45 ft at 1:00PM Mar 20, 2023Observed: 22.47 ft at 1:30PM Mar 20, 2023Observed: 22.45 ft at 2:00PM Mar 20, 2023Observed: 22.45 ft at 2:30PM Mar 20, 2023Observed: 22.47 ft at 3:00PM Mar 20, 2023Observed: 22.47 ft at 3:30PM Mar 20, 2023Observed: 22.47 ft at 4:00PM Mar 20, 2023Observed: 22.48 ft at 4:30PM Mar 20, 2023Observed: 22.47 ft at 5:00PM Mar 20, 2023Observed: 22.47 ft at 5:30PM Mar 20, 2023Observed: 22.46 ft at 6:00PM Mar 20, 2023Observed: 22.48 ft at 6:30PM Mar 20, 2023Observed: 22.47 ft at 7:00PM Mar 20, 2023Observed: 22.49 ft at 7:30PM Mar 20, 2023Observed: 22.49 ft at 8:00PM Mar 20, 2023Observed: 22.49 ft at 8:30PM Mar 20, 2023Observed: 22.5 ft at 9:00PM Mar 20, 2023Observed: 22.5 ft at 9:30PM Mar 20, 2023Observed: 22.52 ft at 10:00PM Mar 20, 2023Observed: 22.52 ft at 10:30PM Mar 20, 2023Observed: 22.52 ft at 11:00PM Mar 20, 2023Observed: 22.5 ft at 11:30PM Mar 20, 2023Observed: 22.51 ft at 12:00AM Mar 21, 2023Observed: 22.52 ft at 12:30AM Mar 21, 2023Observed: 22.52 ft at 1:00AM Mar 21, 2023Observed: 22.5 ft at 1:30AM Mar 21, 2023Observed: 22.51 ft at 2:00AM Mar 21, 2023Observed: 22.5 ft at 2:30AM Mar 21, 2023Observed: 22.5 ft at 3:00AM Mar 21, 2023Observed: 22.5 ft at 3:30AM Mar 21, 2023Observed: 22.49 ft at 4:00AM Mar 21, 2023Observed: 22.49 ft at 4:30AM Mar 21, 2023Observed: 22.5 ft at 5:00AM Mar 21, 2023Observed: 22.48 ft at 5:30AM Mar 21, 2023Observed: 22.48 ft at 6:00AM Mar 21, 2023Observed: 22.48 ft at 6:30AM Mar 21, 2023Observed: 22.47 ft at 7:00AM Mar 21, 2023Observed: 22.47 ft at 7:30AM Mar 21, 2023Observed: 22.49 ft at 8:00AM Mar 21, 2023Observed: 22.48 ft at 8:30AM Mar 21, 2023Observed: 22.45 ft at 9:00AM Mar 21, 2023Observed: 22.47 ft at 9:30AM Mar 21, 2023Observed: 22.46 ft at 10:00AM Mar 21, 2023Observed: 22.46 ft at 10:30AM Mar 21, 2023Observed: 22.46 ft at 11:00AM Mar 21, 2023Observed: 22.46 ft at 11:30AM Mar 21, 2023Observed: 22.45 ft at 12:00PM Mar 21, 2023Observed: 22.45 ft at 12:30PM Mar 21, 2023Observed: 22.44 ft at 1:00PM Mar 21, 2023Observed: 22.45 ft at 1:30PM Mar 21, 2023Observed: 22.45 ft at 2:00PM Mar 21, 2023Observed: 22.47 ft at 2:30PM Mar 21, 2023Observed: 22.44 ft at 3:00PM Mar 21, 2023Observed: 22.42 ft at 3:30PM Mar 21, 2023Observed: 22.43 ft at 4:00PM Mar 21, 2023Observed: 22.44 ft at 4:30PM Mar 21, 2023Observed: 22.41 ft at 5:30PM Mar 21, 2023Observed: 22.42 ft at 6:00PM Mar 21, 2023Observed: 22.43 ft at 6:30PM Mar 21, 2023Observed: 22.42 ft at 7:00PM Mar 21, 2023Observed: 22.42 ft at 7:30PM Mar 21, 2023Observed: 22.41 ft at 8:00PM Mar 21, 2023Observed: 22.4 ft at 8:30PM Mar 21, 2023Observed: 22.39 ft at 9:00PM Mar 21, 2023Observed: 22.4 ft at 9:30PM Mar 21, 2023Observed: 22.39 ft at 10:00PM Mar 21, 2023Observed: 22.4 ft at 10:30PM Mar 21, 2023Observed: 22.39 ft at 11:00PM Mar 21, 2023Observed: 22.39 ft at 11:30PM Mar 21, 2023Observed: 22.38 ft at 12:00AM Mar 22, 2023Observed: 22.36 ft at 12:30AM Mar 22, 2023Observed: 22.37 ft at 1:00AM Mar 22, 2023Observed: 22.35 ft at 1:30AM Mar 22, 2023Observed: 22.35 ft at 2:00AM Mar 22, 2023Observed: 22.34 ft at 2:30AM Mar 22, 2023Observed: 22.34 ft at 3:00AM Mar 22, 2023Observed: 22.34 ft at 3:30AM Mar 22, 2023Observed: 22.34 ft at 4:00AM Mar 22, 2023Observed: 22.33 ft at 4:30AM Mar 22, 2023Observed: 22.33 ft at 5:00AM Mar 22, 2023Observed: 22.33 ft at 5:30AM Mar 22, 2023Observed: 22.33 ft at 6:00AM Mar 22, 2023Observed: 22.33 ft at 6:30AM Mar 22, 2023Observed: 22.33 ft at 7:00AM Mar 22, 2023Observed: 22.31 ft at 7:30AM Mar 22, 2023Observed: 22.32 ft at 8:00AM Mar 22, 2023Observed: 22.32 ft at 8:30AM Mar 22, 2023Observed: 22.32 ft at 9:00AM Mar 22, 2023Observed: 22.31 ft at 9:30AM Mar 22, 2023Observed: 22.3 ft at 10:00AM Mar 22, 2023Observed: 22.29 ft at 10:30AM Mar 22, 2023Observed: 22.3 ft at 11:00AM Mar 22, 2023Observed: 22.3 ft at 11:30AM Mar 22, 2023Observed: 22.29 ft at 12:00PM Mar 22, 2023Observed: 22.3 ft at 12:30PM Mar 22, 2023Observed: 22.3 ft at 1:00PM Mar 22, 2023Observed: 22.3 ft at 1:30PM Mar 22, 2023Observed: 22.3 ft at 2:00PM Mar 22, 2023Observed: 22.3 ft at 2:30PM Mar 22, 2023Observed: 22.29 ft at 3:00PM Mar 22, 2023Observed: 22.27 ft at 3:30PM Mar 22, 2023Observed: 22.29 ft at 4:00PM Mar 22, 2023Observed: 22.28 ft at 4:30PM Mar 22, 2023Observed: 22.29 ft at 5:00PM Mar 22, 2023Observed: 22.29 ft at 5:30PM Mar 22, 2023Observed: 22.27 ft at 6:00PM Mar 22, 2023Observed: 22.27 ft at 6:30PM Mar 22, 2023Observed: 22.27 ft at 7:00PM Mar 22, 2023Observed: 22.27 ft at 7:30PM Mar 22, 2023Observed: 22.27 ft at 8:00PM Mar 22, 2023Observed: 22.27 ft at 8:30PM Mar 22, 2023Observed: 22.28 ft at 9:00PM Mar 22, 2023Observed: 22.28 ft at 9:30PM Mar 22, 2023Observed: 22.28 ft at 10:00PM Mar 22, 2023Observed: 22.29 ft at 10:30PM Mar 22, 2023Observed: 22.29 ft at 11:00PM Mar 22, 2023Observed: 22.25 ft at 11:30PM Mar 22, 2023Observed: 22.26 ft at 12:00AM Mar 23, 2023Observed: 22.25 ft at 12:30AM Mar 23, 2023Observed: 22.26 ft at 1:00AM Mar 23, 2023Observed: 22.26 ft at 1:30AM Mar 23, 2023Observed: 22.27 ft at 2:00AM Mar 23, 2023Observed: 22.27 ft at 2:30AM Mar 23, 2023Observed: 22.27 ft at 3:00AM Mar 23, 2023Observed: 22.26 ft at 3:30AM Mar 23, 2023Observed: 22.26 ft at 4:00AM Mar 23, 2023Observed: 22.26 ft at 4:30AM Mar 23, 2023Observed: 22.25 ft at 5:00AM Mar 23, 2023Observed: 22.25 ft at 5:30AM Mar 23, 2023Observed: 22.25 ft at 6:00AM Mar 23, 2023Observed: 22.25 ft at 6:30AM Mar 23, 2023Observed: 22.25 ft at 7:00AM Mar 23, 2023Observed: 22.26 ft at 7:30AM Mar 23, 2023Observed: 22.26 ft at 8:00AM Mar 23, 2023Observed: 22.26 ft at 8:30AM Mar 23, 2023Observed: 22.26 ft at 9:00AM Mar 23, 2023Observed: 22.25 ft at 9:30AM Mar 23, 2023Observed: 22.25 ft at 10:00AM Mar 23, 2023Observed: 22.25 ft at 10:30AM Mar 23, 2023Observed: 22.25 ft at 11:00AM Mar 23, 2023Observed: 22.25 ft at 11:30AM Mar 23, 2023Observed: 22.26 ft at 12:00PM Mar 23, 2023Observed: 22.24 ft at 12:30PM Mar 23, 2023Observed: 22.25 ft at 1:00PM Mar 23, 2023Observed: 22.26 ft at 1:30PM Mar 23, 2023Observed: 22.26 ft at 2:00PM Mar 23, 2023Observed: 22.21 ft at 2:30PM Mar 23, 2023Observed: 22.26 ft at 3:00PM Mar 23, 2023Observed: 22.26 ft at 3:30PM Mar 23, 2023Observed: 22.25 ft at 4:00PM Mar 23, 2023Observed: 22.26 ft at 4:30PM Mar 23, 2023Observed: 22.27 ft at 5:00PM Mar 23, 2023Observed: 22.27 ft at 5:30PM Mar 23, 2023Observed: 22.26 ft at 6:00PM Mar 23, 2023Observed: 22.27 ft at 6:30PM Mar 23, 2023Observed: 22.27 ft at 7:00PM Mar 23, 2023Observed: 22.28 ft at 7:30PM Mar 23, 2023Observed: 22.27 ft at 8:00PM Mar 23, 2023Observed: 22.27 ft at 8:30PM Mar 23, 2023Observed: 22.26 ft at 9:00PM Mar 23, 2023Observed: 22.27 ft at 9:30PM Mar 23, 2023Observed: 22.28 ft at 10:00PM Mar 23, 2023Observed: 22.3 ft at 10:30PM Mar 23, 2023Observed: 22.3 ft at 11:00PM Mar 23, 2023Observed: 22.32 ft at 11:30PM Mar 23, 2023Observed: 22.28 ft at 12:00AM Mar 24, 2023Observed: 22.3 ft at 12:30AM Mar 24, 2023Observed: 22.31 ft at 1:00AM Mar 24, 2023Observed: 22.32 ft at 1:30AM Mar 24, 2023Observed: 22.32 ft at 2:00AM Mar 24, 2023Observed: 22.33 ft at 2:30AM Mar 24, 2023Observed: 22.34 ft at 3:00AM Mar 24, 2023Observed: 22.34 ft at 3:30AM Mar 24, 2023Observed: 22.34 ft at 4:00AM Mar 24, 2023Observed: 22.34 ft at 4:30AM Mar 24, 2023Observed: 22.35 ft at 5:00AM Mar 24, 2023Observed: 22.36 ft at 5:30AM Mar 24, 2023Observed: 22.37 ft at 6:00AM Mar 24, 2023Observed: 22.37 ft at 6:30AM Mar 24, 2023Observed: 22.39 ft at 7:00AM Mar 24, 2023Forecast: 22.4 ft 1:00PM Mar 24, 2023Forecast: 22.5 ft 7:00PM Mar 24, 2023Forecast: 22.6 ft 1:00AM Mar 25, 2023Forecast: 22.8 ft 7:00AM Mar 25, 2023Forecast: 23.1 ft 1:00PM Mar 25, 2023Forecast: 23.4 ft 7:00PM Mar 25, 2023Forecast: 23.8 ft 1:00AM Mar 26, 2023Forecast: 24 ft 7:00AM Mar 26, 2023Forecast: 24.2 ft 1:00PM Mar 26, 2023Forecast: 24.2 ft 7:00PM Mar 26, 2023Forecast: 24.2 ft 1:00AM Mar 27, 2023Forecast: 24.2 ft 7:00AM Mar 27, 2023Forecast: 24.1 ft 1:00PM Mar 27, 2023Forecast: 24 ft 7:00PM Mar 27, 2023Forecast: 24 ft 1:00AM Mar 28, 2023Forecast: 23.9 ft 7:00AM Mar 28, 2023Forecast: 23.9 ft 1:00PM Mar 28, 2023Forecast: 23.9 ft 7:00PM Mar 28, 2023Forecast: 23.9 ft 1:00AM Mar 29, 2023Forecast: 24 ft 7:00AM Mar 29, 2023Forecast: 24 ft 1:00PM Mar 29, 2023Forecast: 24.1 ft 7:00PM Mar 29, 2023Forecast: 24.2 ft 1:00AM Mar 30, 2023Forecast: 24.2 ft 7:00AM Mar 30, 2023Highest Forecast: 24.3 ft 1:00PM Mar 30, 2023Highest Forecast: 24.3 ft 7:00PM Mar 30, 2023USGS--Water Resources of the United StatesHARI2(plotting HGIRG) Graph Created (7:56AM Mar 24, 2023)ObservedForecast (issued 8:45PM Mar 23)Latest observed value: 22.39 ft at 7:00 AM CDT 24-Mar-2023. Flood Stage is 25 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
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: Forecasts for the Illinois River at Hardin are issued routinely year-round.

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Upstream Gauge - at Valley City Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 32
Moderate Flood Stage: 31
Flood Stage: 25
Action Stage: 24
Low Stage (in feet): -9999

Historic Crests
(1) 42.40 ft on 08/03/1993
(2) 40.29 ft on 06/07/2019
(3) 38.20 ft on 04/29/1973
(4) 36.87 ft on 12/31/2015
(5) 36.82 ft on 06/04/2013
(6) 36.70 ft on 05/29/1995
(7) 36.50 ft on 06/30/2015
(8) 36.50 ft on 04/14/1979
(9) 35.82 ft on 06/28/2008
(10) 35.22 ft on 05/06/2017
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 25.88 ft on 07/18/2021
(2) 25.82 ft on 07/14/2021
(3) 25.23 ft on 07/11/2021
(4) 25.91 ft on 07/02/2021
(5) 25.09 ft on 06/28/2021
(6) 25.01 ft on 05/20/2021
(7) 25.74 ft on 04/14/2021
(8) 27.13 ft on 03/21/2021
(9) 25.22 ft on 07/02/2020
(10) 31.26 ft on 05/29/2020
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 7.33 ft on 10/07/1879
(2) 18.06 ft on 12/22/1989
(3) 18.47 ft on 01/27/2000
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:14
KML Image
Gauge LocationGauge Map Marker
 Disclaimer
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
42.7 Water reaches instrument shelf in gage house.
42.4 This is the RECORD FLOOD LEVEL that was reached on August 3 1993. At this level buildings in Bedford begin to flood.
40.6 Buildings in Eldred begin to flood.
39.79 The levee on Hurricane Creek in Hillview is overtopped at this stage.
39.4 Floodwater reaches the floor the gage house.
39 The Hillview Drainage District levee and Eldred levee are overtopped near this height.
38.6 The Hartwell Levee will be overtopped at this river stage. Also...Illinois Route 100 at Illinois Route 108 begins flooding at the Kampsville Ferry near this height.
38.5 Nutwood levee is overtopped near this height.
36.5 Lorton River House and other Hardin businesses along Highway 100 begin flooding near this level.
35.5 The U.S. Coast Guard will consider closing the Illinois River to all vessel traffic between 10 and 50 miles above the mouth of the river.
35 Flood fighting activities begin in Hillview.
34.7 Illinois River Road, or Highway 1, in South Hardin begins flooding.
34.29 Illinois State Highway 100 north of Kampsville begins flooding and is closed near this height.
34 Route 100 is flooded north of Hardin. Jersey County Grain Company utility buildings begin flooding.
33.79 Route 96 is overtopped in Kampsville. The Kampsville Fire Department begins flooding.
33 River Road in Bedford is overtopped. In Kampsville, the intersection of Illinois 100 and Illinois 96 floods near this height.
32.7 Kampsville Inn begins flooding near this level.
32.6 In Kampsville, an open-sided pavillion at the south end of 2nd Street, nearby restrooms, and businesses along Broadway near Highway 96 begin flooding near this height.
32.5 The parking lot of the Barefoot Restaurant in Hardin begins flooding near this level.
32.29 The sales office at Hurley Dodge in Hardin begins flooding.
32.2 Cottages along South Park Street in south Hardin begin flooding near this level.
32 Water Street in Hardin begins flooding near John F. Kennedy Street.
31.8 The Brussels ferry service is interrupted.
25 Flood Stage. Lowland flooding of unprotected agricultural land begins.
18.2 At and below this height, barge traffic will need to consider lowering tonnage to avoid grounding.
Photos
(1) Lorton River House in north Hardin on July 2, 2010 at a stage of 32.6 ft.
(2) 2nd Street residences in Kampsville on July 2, 2010 at a stage of 32.6 ft.
(3) Barefoot Restaurant parking lot in Hardin on July 2, 2010 at 32.6 ft.
(4) Kampsville Fire Department on July 2, 2010 at a stage of 32.6 feet.
(5) Kampsville Inn on July 2, 2010 at a stage of 32.6 feet.
(6) Kampsville American Legion on July 2, 2010 at a stage of 32.6 ft.
(7) Restrooms near American Legion in Kampsville on July 2, 2010 at a stage of 32.6 ft.
(8) Jersey County Grain Company on July 2, 2010 at a stage of 32.6 ft.
(9) Utility sheds off Great River Road in north Hardin on July 2, 2010 at 32.6 ft.
(10) Hurley Dodge sales office in north Hardin on July 2, 2010 at 32.6 ft.
(11) Business at South Broadway near Highway 100 in Kampsville on July 2, 2010 at a stage of 32.6 ft.
(12) Antique shop on South Broadway in Kampsville on July 2, 2010 at 32.6 ft.
(13) Residence at Washington and 2nd Streets in Kampsville on July 2, 2010 at 32.6 ft.
(14) Residence east of Illinois River Road in north Hardin on July 2, 2010 at 32.6 ft.
(15) South Hardin residence on South Park Street on July 2, 2010 at 32.6 ft.
(16) Residence on South Park Street in south Hardin on July 2, 2010 at 32.6 ft.
(17) South Broadway at Highway 100 intersection in Kampsville on July 2, 2010 at 32.6 ft.
(18) In Kampsville, intersection of Oak St. and 2nd St. on July 2, 2010 at a stage of 32.6 ft.
(19) Mary Street in Hardin on July 2, 2010 at a stage of 32.6 ft.
(20) Mortland St. in Hardin on July 2, 2010 at a stage of 32.6 ft.
(21) Water St. between Childs and John F. Kennedy Streets in Hardin on July 2, 2010 at 32.6 ft.
(22) Water St. at John F. Kennedy St. in Hardin on July 2, 2010 at a stage of 32.6 ft.
(23) Gage house
(24) View looking upstream
(25) View looking downstream at the staff gage
About This Location Collapse

Latitude: 39.160278° N, Longitude: 90.615278° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 25 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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 400 ft 425 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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NWS Information
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