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Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 05573800 SANGAMON RIVER AT ROBY, IL
Sangamon County, Illinois
Hydrologic Unit Code 07130006
Latitude  39°44'32", Longitude  89°23'57" NAD27
Drainage area 1,264.00  square miles
Output formats
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Meas.
Number		   Date       Time Time
Datum		 Measurement
Used?		   Who Measuring
Agency		 Stream
flow
(ft3/s)		 Gage
Height
(ft)		 GH
Change
(ft)		 Meas.
Duration
(hr)		 Meas.
Rated		   Control Flow
Adjust.
Code 		 Channel
Number		 Channel
Name		 Meas.
type 		 Stream
flow
method 		 Velocity
method 		 Channel
flow
(ft3/s)		 Channel
width
(ft)		 Channel
area
(ft2)		 Channel
vel.
(ft/s)		 Channel
stability 		 Channel
material 		 Channel
evenness 		 Long.
vel.
desc. 		 Horz.
vel.
desc. 		 Vert.
vel.
desc. 		 Channel
loc.
code 		 Channel
loc.
dist.(ft)
891987-02-09 -- ----YesMLHUSGS16808.260.020.60Good NONE1Imported Channel 1CRANunspeunkno16801556662.52UNSPUNSPUNSPunknUNSPUNSPUNSP
881986-11-17 -- ----YesMLHUSGS6115.710.000.80GoodClearNONE1Imported Channel 1CRANunspeunkno6111333451.77UNSPUNSPUNSPunknUNSPUNSPUNSP
871986-10-07 -- ----YesMLHUSGS17108.860.050.70Good NONE1Imported Channel 1CRANunspeunkno17101458042.13UNSPUNSPUNSPunknUNSPUNSPUNSP
861986-07-15 -- ----YesALBUSGS11707.12-0.061.00GoodClearNONE1Imported Channel 1CRANunspeunkno11701445642.07UNSPUNSPUNSPunknUNSPUNSPUNSP
851986-05-19 -- ----YesALBUSGS17503.58-0.131.00GoodDebrisLightNONE1Imported Channel 1CRANunspeunkno17501588781.99UNSPUNSPUNSPunknUNSPUNSPUNSP
841986-04-22 -- ----YesALBUSGS2804.740.000.90GoodDebrisLightNONE1Imported Channel 1WADEunspeunkno2801403310.84UNSPUNSPUNSPunknUNSPUNSPUNSP
831986-03-21 -- ----YesADRUSGS13307.50-0.010.90GoodDebrisLightNONE1Imported Channel 1CRANunspeunkno13301487121.87UNSPUNSPUNSPunknUNSPUNSPUNSP
821986-01-15 -- ----YesALBUSGS7946.52-0.021.00GoodClearNONE1Imported Channel 1CRANunspeunkno7941405651.40UNSPUNSPUNSPunknUNSPUNSPUNSP
811985-11-22 -- ----YesAWNUSGS1460017.77-0.021.70Good NONE1Imported Channel 1CRANunspeunkno1460056654602.67UNSPUNSPUNSPunknUNSPUNSPUNSP
801985-11-04 -- ----YesALBUSGS16008.050.101.00GoodClearNONE1Imported Channel 1CRANunspeunkno16001457022.28UNSPUNSPUNSPunknUNSPUNSPUNSP