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Hydrograph River at a Glance Download
Sawmill Creek (IL) near Lemont Stage (ft)Flow (kcfs)Observed: 8.59 ft at 3:15AM Feb 15, 2020Observed: 8.59 ft at 3:30AM Feb 15, 2020Observed: 8.59 ft at 3:45AM Feb 15, 2020Observed: 8.59 ft at 4:00AM Feb 15, 2020Observed: 8.59 ft at 4:15AM Feb 15, 2020Observed: 8.59 ft at 4:30AM Feb 15, 2020Observed: 8.59 ft at 4:45AM Feb 15, 2020Observed: 8.59 ft at 5:00AM Feb 15, 2020Observed: 8.59 ft at 5:15AM Feb 15, 2020Observed: 8.59 ft at 5:30AM Feb 15, 2020Observed: 8.59 ft at 5:45AM Feb 15, 2020Observed: 8.59 ft at 6:00AM Feb 15, 2020Observed: 8.59 ft at 6:15AM Feb 15, 2020Observed: 8.6 ft at 6:30AM Feb 15, 2020Observed: 8.6 ft at 6:45AM Feb 15, 2020Observed: 8.6 ft at 7:00AM Feb 15, 2020Observed: 8.6 ft at 7:15AM Feb 15, 2020Observed: 8.6 ft at 7:30AM Feb 15, 2020Observed: 8.6 ft at 7:45AM Feb 15, 2020Observed: 8.6 ft at 8:00AM Feb 15, 2020Observed: 8.6 ft at 8:15AM Feb 15, 2020Observed: 8.6 ft at 8:30AM Feb 15, 2020Observed: 8.61 ft at 8:45AM Feb 15, 2020Observed: 8.61 ft at 9:00AM Feb 15, 2020Observed: 8.62 ft at 9:15AM Feb 15, 2020Observed: 8.62 ft at 9:30AM Feb 15, 2020Observed: 8.62 ft at 9:45AM Feb 15, 2020Observed: 8.63 ft at 10:00AM Feb 15, 2020Observed: 8.63 ft at 10:15AM Feb 15, 2020Observed: 8.63 ft at 10:30AM Feb 15, 2020Observed: 8.63 ft at 10:45AM Feb 15, 2020Observed: 8.63 ft at 11:00AM Feb 15, 2020Observed: 8.63 ft at 11:15AM Feb 15, 2020Observed: 8.63 ft at 11:30AM Feb 15, 2020Observed: 8.63 ft at 11:45AM Feb 15, 2020Observed: 8.63 ft at 12:00PM Feb 15, 2020Observed: 8.63 ft at 12:15PM Feb 15, 2020Observed: 8.63 ft at 12:30PM Feb 15, 2020Observed: 8.62 ft at 12:45PM Feb 15, 2020Observed: 8.62 ft at 1:00PM Feb 15, 2020Observed: 8.62 ft at 1:15PM Feb 15, 2020Observed: 8.62 ft at 1:30PM Feb 15, 2020Observed: 8.62 ft at 1:45PM Feb 15, 2020Observed: 8.62 ft at 2:00PM Feb 15, 2020Observed: 8.62 ft at 2:15PM Feb 15, 2020Observed: 8.62 ft at 2:30PM Feb 15, 2020Observed: 8.62 ft at 2:45PM Feb 15, 2020Observed: 8.62 ft at 3:00PM Feb 15, 2020Observed: 8.62 ft at 3:15PM Feb 15, 2020Observed: 8.62 ft at 3:30PM Feb 15, 2020Observed: 8.62 ft at 3:45PM Feb 15, 2020Observed: 8.62 ft at 4:00PM Feb 15, 2020Observed: 8.62 ft at 4:15PM Feb 15, 2020Observed: 8.61 ft at 4:30PM Feb 15, 2020Observed: 8.61 ft at 4:45PM Feb 15, 2020Observed: 8.61 ft at 5:00PM Feb 15, 2020Observed: 8.61 ft at 5:15PM Feb 15, 2020Observed: 8.61 ft at 5:30PM Feb 15, 2020Observed: 8.61 ft at 5:45PM Feb 15, 2020Observed: 8.61 ft at 6:00PM Feb 15, 2020Observed: 8.61 ft at 6:15PM Feb 15, 2020Observed: 8.61 ft at 6:30PM Feb 15, 2020Observed: 8.61 ft at 6:45PM Feb 15, 2020Observed: 8.61 ft at 7:00PM Feb 15, 2020Observed: 8.61 ft at 7:15PM Feb 15, 2020Observed: 8.61 ft at 7:30PM Feb 15, 2020Observed: 8.61 ft at 7:45PM Feb 15, 2020Observed: 8.6 ft at 8:00PM Feb 15, 2020Observed: 8.6 ft at 8:15PM Feb 15, 2020Observed: 8.6 ft at 8:30PM Feb 15, 2020Observed: 8.6 ft at 8:45PM Feb 15, 2020Observed: 8.6 ft at 9:00PM Feb 15, 2020Observed: 8.6 ft at 9:15PM Feb 15, 2020Observed: 8.6 ft at 9:30PM Feb 15, 2020Observed: 8.6 ft at 9:45PM Feb 15, 2020Observed: 8.6 ft at 10:00PM Feb 15, 2020Observed: 8.6 ft at 10:15PM Feb 15, 2020Observed: 8.6 ft at 10:30PM Feb 15, 2020Observed: 8.6 ft at 10:45PM Feb 15, 2020Observed: 8.6 ft at 11:00PM Feb 15, 2020Observed: 8.6 ft at 11:15PM Feb 15, 2020Observed: 8.6 ft at 11:30PM Feb 15, 2020Observed: 8.6 ft at 11:45PM Feb 15, 2020Observed: 8.6 ft at 12:00AM Feb 16, 2020Observed: 8.6 ft at 12:15AM Feb 16, 2020Observed: 8.6 ft at 12:30AM Feb 16, 2020Observed: 8.6 ft at 12:45AM Feb 16, 2020Observed: 8.6 ft at 1:00AM Feb 16, 2020Observed: 8.6 ft at 1:15AM Feb 16, 2020Observed: 8.59 ft at 1:30AM Feb 16, 2020Observed: 8.59 ft at 1:45AM Feb 16, 2020Observed: 8.59 ft at 2:00AM Feb 16, 2020Observed: 8.59 ft at 2:15AM Feb 16, 2020Observed: 8.59 ft at 2:30AM Feb 16, 2020Observed: 8.59 ft at 2:45AM Feb 16, 2020Observed: 8.59 ft at 3:00AM Feb 16, 2020Observed: 8.59 ft at 3:15AM Feb 16, 2020Observed: 8.59 ft at 3:30AM Feb 16, 2020Observed: 8.59 ft at 3:45AM Feb 16, 2020Observed: 8.59 ft at 4:00AM Feb 16, 2020Observed: 8.59 ft at 4:15AM Feb 16, 2020Observed: 8.59 ft at 4:30AM Feb 16, 2020Observed: 8.59 ft at 4:45AM Feb 16, 2020Observed: 8.59 ft at 5:00AM Feb 16, 2020Observed: 8.59 ft at 5:15AM Feb 16, 2020Observed: 8.58 ft at 5:30AM Feb 16, 2020Observed: 8.58 ft at 5:45AM Feb 16, 2020Observed: 8.58 ft at 6:00AM Feb 16, 2020Observed: 8.58 ft at 6:15AM Feb 16, 2020Observed: 8.58 ft at 6:30AM Feb 16, 2020Observed: 8.58 ft at 6:45AM Feb 16, 2020Observed: 8.58 ft at 7:00AM Feb 16, 2020Observed: 8.58 ft at 7:15AM Feb 16, 2020Observed: 8.58 ft at 7:30AM Feb 16, 2020Observed: 8.58 ft at 7:45AM Feb 16, 2020Observed: 8.58 ft at 8:00AM Feb 16, 2020Observed: 8.58 ft at 8:15AM Feb 16, 2020Observed: 8.58 ft at 8:30AM Feb 16, 2020Observed: 8.58 ft at 8:45AM Feb 16, 2020Observed: 8.58 ft at 9:00AM Feb 16, 2020Observed: 8.57 ft at 9:15AM Feb 16, 2020Observed: 8.57 ft at 9:30AM Feb 16, 2020Observed: 8.57 ft at 9:45AM Feb 16, 2020Observed: 8.58 ft at 10:00AM Feb 16, 2020Observed: 8.58 ft at 10:15AM Feb 16, 2020Observed: 8.58 ft at 10:30AM Feb 16, 2020Observed: 8.58 ft at 10:45AM Feb 16, 2020Observed: 8.58 ft at 11:00AM Feb 16, 2020Observed: 8.59 ft at 11:15AM Feb 16, 2020Observed: 8.59 ft at 11:30AM Feb 16, 2020Observed: 8.59 ft at 11:45AM Feb 16, 2020Observed: 8.6 ft at 12:00PM Feb 16, 2020Observed: 8.6 ft at 12:15PM Feb 16, 2020Observed: 8.6 ft at 12:30PM Feb 16, 2020Observed: 8.6 ft at 12:45PM Feb 16, 2020Observed: 8.6 ft at 1:00PM Feb 16, 2020Observed: 8.6 ft at 1:15PM Feb 16, 2020Observed: 8.61 ft at 1:30PM Feb 16, 2020Observed: 8.61 ft at 1:45PM Feb 16, 2020Observed: 8.61 ft at 2:00PM Feb 16, 2020Observed: 8.61 ft at 2:15PM Feb 16, 2020Observed: 8.61 ft at 2:30PM Feb 16, 2020Observed: 8.61 ft at 2:45PM Feb 16, 2020Observed: 8.61 ft at 3:00PM Feb 16, 2020Observed: 8.62 ft at 3:15PM Feb 16, 2020Observed: 8.62 ft at 3:30PM Feb 16, 2020Observed: 8.62 ft at 3:45PM Feb 16, 2020Observed: 8.62 ft at 4:00PM Feb 16, 2020Observed: 8.62 ft at 4:15PM Feb 16, 2020Observed: 8.62 ft at 4:30PM Feb 16, 2020Observed: 8.63 ft at 4:45PM Feb 16, 2020Observed: 8.63 ft at 5:00PM Feb 16, 2020Observed: 8.63 ft at 5:15PM Feb 16, 2020Observed: 8.63 ft at 5:30PM Feb 16, 2020Observed: 8.64 ft at 5:45PM Feb 16, 2020Observed: 8.64 ft at 6:00PM Feb 16, 2020Observed: 8.64 ft at 6:15PM Feb 16, 2020Observed: 8.64 ft at 6:30PM Feb 16, 2020Observed: 8.64 ft at 6:45PM Feb 16, 2020Observed: 8.65 ft at 7:00PM Feb 16, 2020Observed: 8.65 ft at 7:15PM Feb 16, 2020Observed: 8.65 ft at 7:30PM Feb 16, 2020Observed: 8.65 ft at 7:45PM Feb 16, 2020Observed: 8.65 ft at 8:00PM Feb 16, 2020Observed: 8.65 ft at 8:15PM Feb 16, 2020Observed: 8.66 ft at 8:30PM Feb 16, 2020Observed: 8.66 ft at 8:45PM Feb 16, 2020Observed: 8.66 ft at 9:00PM Feb 16, 2020Observed: 8.66 ft at 9:15PM Feb 16, 2020Observed: 8.66 ft at 9:30PM Feb 16, 2020Observed: 8.66 ft at 9:45PM Feb 16, 2020Observed: 8.66 ft at 10:00PM Feb 16, 2020Observed: 8.66 ft at 10:15PM Feb 16, 2020Observed: 8.66 ft at 10:30PM Feb 16, 2020Observed: 8.66 ft at 10:45PM Feb 16, 2020Observed: 8.66 ft at 11:00PM Feb 16, 2020Observed: 8.66 ft at 11:15PM Feb 16, 2020Observed: 8.66 ft at 11:30PM Feb 16, 2020Observed: 8.65 ft at 11:45PM Feb 16, 2020Observed: 8.65 ft at 12:00AM Feb 17, 2020Observed: 8.65 ft at 12:15AM Feb 17, 2020Observed: 8.65 ft at 12:30AM Feb 17, 2020Observed: 8.65 ft at 12:45AM Feb 17, 2020Observed: 8.65 ft at 1:00AM Feb 17, 2020Observed: 8.65 ft at 1:15AM Feb 17, 2020Observed: 8.64 ft at 1:30AM Feb 17, 2020Observed: 8.64 ft at 1:45AM Feb 17, 2020Observed: 8.64 ft at 2:00AM Feb 17, 2020Observed: 8.64 ft at 2:15AM Feb 17, 2020Observed: 8.64 ft at 2:30AM Feb 17, 2020Observed: 8.64 ft at 2:45AM Feb 17, 2020Observed: 8.64 ft at 3:00AM Feb 17, 2020Observed: 8.63 ft at 3:15AM Feb 17, 2020Observed: 8.63 ft at 3:30AM Feb 17, 2020Observed: 8.63 ft at 3:45AM Feb 17, 2020Observed: 8.63 ft at 4:00AM Feb 17, 2020Observed: 8.63 ft at 4:15AM Feb 17, 2020Observed: 8.63 ft at 4:30AM Feb 17, 2020Observed: 8.63 ft at 4:45AM Feb 17, 2020Observed: 8.63 ft at 5:00AM Feb 17, 2020Observed: 8.62 ft at 5:15AM Feb 17, 2020Observed: 8.62 ft at 5:30AM Feb 17, 2020Observed: 8.62 ft at 5:45AM Feb 17, 2020Observed: 8.62 ft at 6:00AM Feb 17, 2020Observed: 8.62 ft at 6:15AM Feb 17, 2020Observed: 8.62 ft at 6:30AM Feb 17, 2020Observed: 8.62 ft at 6:45AM Feb 17, 2020Observed: 8.62 ft at 7:00AM Feb 17, 2020Observed: 8.62 ft at 7:15AM Feb 17, 2020Observed: 8.61 ft at 7:30AM Feb 17, 2020Observed: 8.61 ft at 7:45AM Feb 17, 2020Observed: 8.61 ft at 8:00AM Feb 17, 2020Observed: 8.61 ft at 8:15AM Feb 17, 2020Observed: 8.61 ft at 8:30AM Feb 17, 2020Observed: 8.61 ft at 8:45AM Feb 17, 2020Observed: 8.61 ft at 9:00AM Feb 17, 2020Observed: 8.61 ft at 9:15AM Feb 17, 2020Observed: 8.61 ft at 9:30AM Feb 17, 2020Observed: 8.61 ft at 9:45AM Feb 17, 2020Observed: 8.61 ft at 10:00AM Feb 17, 2020Observed: 8.61 ft at 10:15AM Feb 17, 2020Observed: 8.61 ft at 10:30AM Feb 17, 2020Observed: 8.61 ft at 10:45AM Feb 17, 2020Observed: 8.61 ft at 11:00AM Feb 17, 2020Observed: 8.61 ft at 11:15AM Feb 17, 2020Observed: 8.61 ft at 11:30AM Feb 17, 2020Observed: 8.61 ft at 11:45AM Feb 17, 2020Observed: 8.61 ft at 12:00PM Feb 17, 2020Observed: 8.61 ft at 12:15PM Feb 17, 2020Observed: 8.62 ft at 12:30PM Feb 17, 2020Observed: 8.62 ft at 12:45PM Feb 17, 2020Observed: 8.61 ft at 1:00PM Feb 17, 2020Observed: 8.62 ft at 1:15PM Feb 17, 2020Observed: 8.62 ft at 1:30PM Feb 17, 2020Observed: 8.62 ft at 1:45PM Feb 17, 2020Observed: 8.62 ft at 2:00PM Feb 17, 2020Observed: 8.62 ft at 2:15PM Feb 17, 2020Observed: 8.62 ft at 2:30PM Feb 17, 2020Observed: 8.63 ft at 2:45PM Feb 17, 2020Observed: 8.63 ft at 3:00PM Feb 17, 2020Observed: 8.63 ft at 3:15PM Feb 17, 2020Observed: 8.63 ft at 3:30PM Feb 17, 2020Observed: 8.64 ft at 3:45PM Feb 17, 2020Observed: 8.64 ft at 4:00PM Feb 17, 2020Observed: 8.65 ft at 4:15PM Feb 17, 2020Observed: 8.65 ft at 4:30PM Feb 17, 2020Observed: 8.66 ft at 4:45PM Feb 17, 2020Observed: 8.67 ft at 5:00PM Feb 17, 2020Observed: 8.68 ft at 5:15PM Feb 17, 2020Observed: 8.69 ft at 5:30PM Feb 17, 2020Observed: 8.71 ft at 5:45PM Feb 17, 2020Observed: 8.73 ft at 6:00PM Feb 17, 2020Observed: 8.75 ft at 6:15PM Feb 17, 2020Observed: 8.78 ft at 6:30PM Feb 17, 2020Observed: 8.81 ft at 6:45PM Feb 17, 2020Observed: 8.91 ft at 7:15PM Feb 17, 2020Observed: 8.97 ft at 7:30PM Feb 17, 2020Observed: 9.01 ft at 7:45PM Feb 17, 2020Observed: 9.06 ft at 8:00PM Feb 17, 2020Observed: 9.09 ft at 8:15PM Feb 17, 2020Highest Observation: 9.11 ft at 8:30PM Feb 17, 2020Highest Observation: 9.11 ft at 8:45PM Feb 17, 2020Highest Observation: 9.11 ft at 9:00PM Feb 17, 2020Highest Observation: 9.11 ft at 9:15PM Feb 17, 2020Highest Observation: 9.11 ft at 9:30PM Feb 17, 2020Observed: 9.1 ft at 9:45PM Feb 17, 2020Observed: 9.09 ft at 10:00PM Feb 17, 2020Observed: 9.07 ft at 10:15PM Feb 17, 2020Observed: 9.06 ft at 10:30PM Feb 17, 2020Observed: 9.05 ft at 10:45PM Feb 17, 2020Observed: 9.05 ft at 11:00PM Feb 17, 2020Observed: 9.04 ft at 11:15PM Feb 17, 2020Observed: 9.03 ft at 11:30PM Feb 17, 2020Observed: 9.03 ft at 11:45PM Feb 17, 2020Observed: 9.02 ft at 12:00AM Feb 18, 2020Observed: 9.02 ft at 12:15AM Feb 18, 2020Observed: 9.02 ft at 12:30AM Feb 18, 2020Observed: 9.02 ft at 12:45AM Feb 18, 2020Observed: 9.02 ft at 1:00AM Feb 18, 2020Observed: 9.02 ft at 1:15AM Feb 18, 2020Observed: 9.02 ft at 1:30AM Feb 18, 2020Observed: 9.02 ft at 1:45AM Feb 18, 2020Observed: 9.02 ft at 2:00AM Feb 18, 2020Observed: 9.03 ft at 2:15AM Feb 18, 2020Observed: 9.03 ft at 2:30AM Feb 18, 2020USGS--Water Resources of the United StatesLMTI2(plotting HGIRG) Graph Created (3:09AM Feb 18, 2020)ObservedLatest observed value: 9.03 ft at 2:30 AM CST 18-Feb-2020.
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About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Graphical forecasts are not available for the Sawmill Creek (IL) near Lemont. During times of high water, forecast crest information can be found in the text products.
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Downstream Gauge Downstream Gauge - near Lemont
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 0
Action Stage: 13
Low Stage (in feet): -9999

Historic Crests
(1) 17.53 ft on 07/18/1996
(2) 14.64 ft on 02/21/1997
(3) 13.97 ft on 05/12/2002
(4) 13.75 ft on 08/04/1998
(5) 12.87 ft on 05/28/2000
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 12.42 ft on 01/13/2005
(2) 12.74 ft on 08/28/2004
(3) 11.90 ft on 05/09/2003
(4) 13.97 ft on 05/12/2002
(5) 12.26 ft on 02/09/2001
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 www.floodsmart.gov.

Zoom Level:15
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
22 Industrial structures are threatened at Argonne National Laboratory.
20 Northgate Road is threatened at South Cass Avenue south of Darien.
18 Numerous minor roadways are threatened at Argonne National Laboratory.
17.5 Bluff Road west of the creek is threatened at Argonne National Laboratory. Trails are threatened near the creek mouth in Waterfall Glen.
16.5 South Cass Avenue is threatened at the creek south of Darien.
15.5 Water treatment plan property is threatened at Argonne National Laboratory.
15 Picnic areas are inundated near the main waterfall in Waterfall Glen.
13 Low-lying trails are threatened near the main waterfall in Waterfall Glen.
12 Water overflows low-lying banks at Argonne National Laboratory.
About This Location Collapse

Latitude: 41.707778° N, Longitude: 87.962500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available 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 629.71 Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 630.0 Not Available 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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Hydrologic Resources 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.
NWS Information
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Page last modified: 4-Mar-2019 11:29 PM
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