Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

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 04010510 GRAND PORTAGE RIVER AT GRAND PORTAGE MN


Cook County, Minnesota
Hydrologic Unit Code 04010101
Latitude  47°57'49", Longitude  89°41'00" NAD27
Drainage area 7.0  square miles
Gage datum 619 feet above NAVD88
Output formats
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of data
Reselect output format
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)
562025-11-17 14:10CSTYesJDLUSGS1.4515.920.020.50PoorIceCoverNONE1gpWADEQSCMMVADV1.4513.03.460.42FIRMGRVLUNEVPULSUNEVNSTDDNST200.00
552025-09-24 15:33:30CDTYesjdl/zbhUSGS2.4615.980.000.30PoorDebrisLightNONE1gpWADEQSCMMVADV2.4616.05.030.49FIRMGRVLUNEVSTDYUNEVSTNDDNST250.00
542024-10-09 16:59:45CDTYesRBB/ZBHUSGS0.4615.790.000.50FairDebrisHeavyNONE1grand portageWADEQSCMMVADV0.469.402.720.17FIRMGRVLEVENSTDYEVENSTNDDNST250.00
532024-08-05 15:51:30CDTYesrbb/jrhUSGS0.9015.750.000.40PoorClearNONE1grand portageWADEQSCMMVADV0.907.502.220.41FIRMCBLSUNEVSTDYEVENSTNDDNST400.00
522024-07-09 13:29:30CDTYesjrh/jtsUSGS9.0216.210.010.20FairClearNONE1GPortageWADEQSCMMVADV9.0215.09.620.94FIRMBLDRUNEVPULSUNEVSTNDUPST15.00
512024-05-28 13:13CDTYesRBBUSGS10.316.230.010.50GoodClearNONE1grand portageWADEQSCMMVADV10.314.211.00.94FIRMCBLSEVENSTDYEVENSTNDDNST600.00
502024-04-15 15:45:30CDTYesJDLUSGS8.1816.170.010.50FairClearNONE1gpWADEQSCMMVADV8.1811.07.461.10FIRMCBLSUNEVPULSUNEVNSTDDNST200.00
492024-02-13 07:27:30CSTYesjdl/zbhUSGS2.0815.910.000.40PoorIceCoverNONE1GPWADEQSCMMVADV2.089.304.220.49FIRMGRVLUNEVPULSUNEVNSTDUPST50.00
482024-01-19 08:35CSTYesrbb/jdlUSGS1.0316.330.000.25PoorIceCoverNONE1grand portageWADEQSCMMVADV1.036.505.020.21FIRMGRVLUNEVPULSUNEVNSTDUPST75.00
472023-12-12 08:15:30CSTYesjdl/jjcUSGS0.5415.740.000.20PoorIceCoverNONE1GPWADEQSCMMVADV0.542.900.980.55FIRMCBLSUNEVPULSUNEVNSTDDNST300.00
462023-10-11 07:36CDTYesJDL/JJCUSGS0.5515.700.000.20PoorClearNONE1gpWADEQSCMMVADV0.552.401.220.45FIRMCBLSUNEVSTDYUNEVSTNDDNST300.00
452023-08-15 07:49CDTYesjdl/jjcUSGS17.216.380.000.30FairClearNONE1GPWADEQSCMMVADV17.27.706.802.53FIRMCBLSUNEVPULSUNEVNSTDDNST400.00
442023-07-24 15:14:30CDTYesRBBUSGS0.8915.690.000.35FairClearNONE1Grand PortageWADEQSCMMVADV0.897.702.880.31FIRMGRVLEVENSTDYEVENSTNDDNST400.00
432023-06-13 08:37CDTYesjdl/jjcUSGS3.3415.870.000.30FairClearNONE1gpWADEQSCMMVADV3.348.703.610.93FIRMCBLSUNEVSTDYUNEVSTNDDNST100.00
422023-06-01 07:26CDTYesRBB/ZBH.USGS5.2816.020.000.50GoodClearNONE1Grand PortageWADEQSCMMVADV5.2818.09.730.54FIRMGRVLEVENSTDYEVENSTNDDNST250.00
412023-04-18 12:50CDTYesRBBUSGS47.516.710.030.60FairClearNONE1grand portageWADEQSCMMVADV47.514.517.32.74FIRMBLDRUNEVSTDYUNEVSTNDDNST300.00
402023-04-11 07:37:44CDTYesjdl/jjcUSGS35.218.580.000.50FairIceCoverNONE1gpWADEQSCMMVADV35.215.520.11.75FIRMCBLSUNEVPULSUNEVNSTDDNST300.00
392023-03-28 13:58:30CDTYesRBB/JDLUSGS2.4916.000.000.26PoorIceCoverNONE1grand portageWADEQSCMMVADV2.497.002.361.06FIRMCBLSUNEVPULSUNEVNSTDDNST50.00
382023-02-14 07:49:11CSTYesjdl/jjcUSGS1.5515.920.000.30PoorIceCoverNONE1GPICEQSCMMVADV1.558.503.060.51FIRMCBLSUNEVPULSUNEVNSTDDNST100.00
372023-02-06 14:03:30CSTYesrbb/zbhUSGS2.0315.950.000.12PoorIceCoverNONE1grand portageWADEQSCMMVADV2.036.502.690.76FIRMGRVLUNEVPULSUNEVNSTDUPST90.00
362022-12-21 07:40:30CSTYesJDL/ZBHUSGS3.7216.150.000.30PoorIceCoverNONE1gpWADEQSCMMVADV3.7213.05.990.62FIRMCBLSUNEVPULSUNEVNSTDDNST50.00
352022-10-27 08:23CDTYesjdl/jjcUSGS1.2915.910.000.30PoorDebrisLightNONE1gpWADEQSCMMVADV1.295.503.000.43FIRMCBLSUNEVPULSUNEVNSTDDNST100.00
342022-08-17 07:21:30CDTYesjdl/jjcUSGS1.6215.870.000.30FairClearNONE1gpWADEQSCMMVADV1.627.003.180.51FIRMCBLSUNEVSTDYUNEVSTNDDNST120.00
332022-06-22 07:26CDTYesjdl/jjcUSGS10.316.230.000.30FairClearNONE1GPWADEQSCMMVADV10.314.07.681.34FIRMCBLSUNEVPULSUNEVNSTDDNST100.00
322022-05-12 10:04:30CDTYesJJCUSGS30518.14-0.100.20PoorDebrisModerateNONE1MAINBRDSQSCMMVADCP30530.073.44.15FIRMCBLSUNEVPULSUNEVNSTDDNST1000.00
312022-04-28 07:27:09CDTYesJDL/JJCUSGS36.916.790.020.30FairClearNONE1GPBRDSQADCPVADCP36.919.030.61.20FIRMCBLSUNEVPULSUNEVSTNDDNST300.00
302022-04-14 08:13:06CDTYesJDLUSGS97.417.310.030.30PoorClearNONE1gpBRDSQADCPVADCP97.425.346.42.10FIRMGRVLUNEVPULSUNEVNSTDDNST250.00
292022-04-13 15:29:22CDTYesJDLUSGS58.117.020.080.30FairClearNONE1gpBRDSQADCPVADCP58.121.131.61.84FIRMGRVLUNEVPULSUNEVSTNDDNST200.00
282022-02-16 07:27:36CSTYesJDL/JJCUSGS0.9516.050.000.30PoorIceCoverNONE1grand portageWADEQSCMMVADV0.958.301.890.50FIRMCBLSUNEVPULSUNEVNSTDDNST40.00
272022-01-19 07:48CSTYesJDL/JJCUSGS1.7815.970.000.30PoorIceCoverNONE1GPWADEQSCMMVADV1.787.002.650.67FIRMCBLSUNEVPULSUNEVNSTDDNST40.00
262021-10-05 12:52:30CDTYesJDLUSGS0.6615.770.000.30PoorDebrisLightNONE1gpWADEQSCMMVADV0.667.003.750.18FIRMCBLSUNEVPULSUNEVNSTDDNST40.00
252021-08-17 15:40:30CDTYesJDL/JJCUSGS0.4715.710.000.30FairClearNONE1gpWADEQSCMMVADV0.476.903.300.14FIRMCBLSUNEVPULSUNEVNSTDDNST60.00
242021-08-12 13:00CDTYesJDLUSGS1.5415.850.000.30FairClearNONE1GPWADEQSCMMVADV1.548.904.910.31FIRMCBLSUNEVPULSUNEVNSTDDNST60.00
232021-06-16 15:57:30CDTYesJDL/RBBUSGS3.8616.040.000.30FairClearNONE1gpWADEQSCMMVADV3.869.306.500.59FIRMCBLSUNEVPULSUNEVNSTDDNST50.00
222021-04-14 07:23:59CDTYesjdl/jjcUSGS34.016.700.000.30FairClearNONE1grand portageBRDSQADCPVADCP34.022.322.81.49FIRMCBLSUNEVPULSUNEVNSTDDNST200.00
212021-04-01 14:28CDTYesjdlUSGS6.7016.380.000.30PoorIceCoverNONE1gpWADEQSCMMVADV6.706.404.671.43FIRMCBLSUNEVPULSUNEVNSTDUPST50.00
202021-03-15 16:07:30CDTYesJDL/RBBUSGS1.3615.940.000.30PoorIceCoverNONE1gpICEQSCMMVADV1.364.401.460.93FIRMCBLSUNEVPULSUNEVNSTDUPST20.00
192021-02-09 07:43CSTYesJDL/JJCUSGS0.3115.830.000.10PoorIceCoverNONE1grand portageICEQSCMMVADV0.311.200.350.88FIRMCBLSUNEVPULSUNEVNSTDUPST20.00
182020-12-14 09:28:30CSTYesjdl/jjcUSGS1.5016.270.020.40PoorIceCoverNONE1grand portageWADEQSCMMVADV1.507.302.660.56FIRMCBLSUNEVPULSUNEVNSTDDNST100.00
172020-10-21 08:52:30CDTYesZBH/ESW/RBB/USGS7.8116.280.000.30FairClearNONE1mainWADEQSCMMVADV7.8110.69.350.84FIRMGRVLUNEVSTDYEVENSTNDDNST30.00
161992-10-27 -- ----YesHOBUSGS4.560.750.000.50GoodDebrisLightNONE1Imported Channel 1UNSPother 4.56 UNSPUNSPUNSPunknUNSPUNSPUNSP
151992-09-09 11:05CDTYesHOBUSGS12.41.040.000.40GoodClearNONE1Imported Channel 1WADEunspeunkno12.418.019.90.62UNSPUNSPUNSPunknUNSPUNSPUNSP
141992-08-04 16:50CDTYesGRMUSGS0.670.550.000.50PoorDebrisLightNONE1Imported Channel 1WADEunspeunkno0.676.302.160.31UNSPUNSPUNSPunknUNSPUNSPUNSP
131992-06-23 11:45CDTYesHOBUSGS1.280.620.000.40GoodClearNONE1Imported Channel 1WADEunspeunkno1.286.803.620.35UNSPUNSPUNSPunknUNSPUNSPUNSP
121992-05-12 12:50CDTYesHOBUSGS86.71.990.000.40GoodClearNONE1Imported Channel 1WADEunspeunkno86.718.037.42.32UNSPUNSPUNSPunknUNSPUNSPUNSP
111992-04-28 14:45CDTYesHOBUSGS37.31.400.020.30GoodClearNONE1Imported Channel 1WADEunspeunkno37.321.026.01.43UNSPUNSPUNSPunknUNSPUNSPUNSP
101992-04-15 08:45CDTYesGRMUSGS8.290.960.000.40GoodClearNONE1Imported Channel 1WADEunspeunkno8.2918.010.10.82UNSPUNSPUNSPunknUNSPUNSPUNSP
91992-03-31 10:40CSTYesGRMUSGS1.820.78-0.010.30FairIceShoreNONE1Imported Channel 1WADEunspeunkno1.829.502.180.84UNSPUNSPUNSPunknUNSPUNSPUNSP
81992-02-19 12:00CSTYesHOBUSGS0.800.880.000.30FairIceCoverNONE1Imported Channel 1ICEQSCMMunkno0.802.000.791.01UNSPUNSPUNSPunknUNSPUNSPUNSP
71992-01-07 12:45CSTYesGRMUSGS2.550.720.000.30FairIceCoverNONE1Imported Channel 1WADEunspeunkno2.5519.010.70.24UNSPUNSPUNSPunknUNSPUNSPUNSP
61991-11-19 08:25CSTYesHOBUSGS61.51.76-0.020.40GoodClearNONE1Imported Channel 1WADEunspeunkno61.520.032.91.87UNSPUNSPUNSPunknUNSPUNSPUNSP
51991-09-24 15:10CDTYesGRMUSGS1.060.620.000.40FairClearNONE1Imported Channel 1WADEunspeunkno1.066.301.990.53UNSPUNSPUNSPunknUNSPUNSPUNSP
41991-09-12 15:10CDTYesWAGUSGS0.400.520.000.70FairClearNONE1Imported Channel 1WADEunspeunkno0.404.001.210.33UNSPUNSPUNSPunknUNSPUNSPUNSP
31991-08-06 12:45CDTYesHOBUSGS0.160.500.000.30GoodClearNONE1Imported Channel 1WADEunspeunkno0.162.500.450.36UNSPUNSPUNSPunknUNSPUNSPUNSP
21991-06-12 16:25CDTYesHOB/TCUSGS1.100.600.000.30GoodClearNONE1Imported Channel 1WADEunspeunkno1.107.504.000.03UNSPUNSPUNSPunknUNSPUNSPUNSP
11991-05-13 17:10CDTYesJLZ/WAGUSGS8.830.940.000.40FairDebrisLightNONE1Imported Channel 1WADEunspeunkno8.8311.08.001.11UNSPUNSPUNSPunknUNSPUNSPUNSP