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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 040970647 LITTLE PORTAGE CR AT LANE ST AT MENDON, MI


St. Joseph County, Michigan
Hydrologic Unit Code 04050001
Latitude  42°00'39.94", Longitude  85°27'25.98" NAD83
Drainage area 44  square miles
Gage datum 828.34 feet above NAVD88
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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
 
72025-12-30 11:07ESTYesTRMUSGS1032.81-0.031.20FairClearNONE
62025-12-11 09:01:56ESTYesTRMUSGS34.22.000.001.00FairClearNONE
52025-11-19 12:04:41ESTYesTMMUSGS17.11.660.001.00GoodDebrisModerateNONE
42025-09-02 10:54:37ESTYesBBS/TMMUSGS11.31.500.001.00GoodClearNONE
32025-08-12 10:38:16ESTYesBBSUSGS2.141.11-0.03 FairVegetationLightNONE
22025-07-02 11:22:36ESTYesPSSUSGS32.81.98-0.021.00GoodClearNONE
12025-06-03 08:20:23ESTYesBBS/RWH/TRMUSGS24.51.81-0.031.00GoodVegetationLightNONE