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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 11404300 GRIZZLY C BL DIV DAM CA
Plumas County, California
Hydrologic Unit Code 18020121
Latitude  39°53'29", Longitude 121°17'35" NAD27
Drainage area 14.4  square miles
Output formats
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HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
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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)
10282025-09-08 12:03:43PDTYesHLMANZI/DPSUSGS11.50.91 FairClearNONE1Grizzly Cr Blw Div DamWADEQSCMMVADV11.532.029.90.38FIRMBLDRUNEVSTDYUNEVSTNDDNST30.00
10272025-06-02 13:16:52PDTYesHLMANZIUSGS20.01.140.000.50FairUnspecifedNONE1Grizzly Cr Blw Div DamWADEQSCMMVADV20.033.036.40.55FIRMCBLSEVENSTDYUNEVSTNDDNST45.00
10262024-09-05 09:39:45PDTYesHLMANZIUSGS13.80.980.000.38Fair NONE1GRIZZLY C BL DIV DAM CAWADEQSCMMVADV13.830.030.30.45FIRMLDGEEVENSTDYUNEVSTNDDNST30.00
10252024-06-05 10:01:30PDTYesHLMANZIUSGS1381.760.000.75Poor NONE1NF22OTHRother 138 FIRMLDGEEVENSTDYEVENSTNDDNST20.00
10242023-09-15 10:43:56PDTYesHLMANZIUSGS14.40.980.000.38Fair NONE1Grizzly Cr Blw Div DamWADEQSCMMVADV14.432.031.20.46FIRMLDGEEVENSTDYUNEVSTNDDNST30.00
10232023-06-22 11:32:25PDTYesHLMANZIUSGS20.51.110.000.50FairClearNONE1Grizzly CrkWADEQSCMMVADV20.529.031.70.65FIRMLDGEEVENSTDYUNEVSTNDDNST30.00
10222022-09-21 10:28:24PDTYesHLMANZI, YMPUSGS7.700.690.000.50Fair NONE1NF22WADEQSCMMVADV7.7031.126.10.30FIRMLDGEEVENSTDYUNEVSTNDDNST35.00
10212022-06-03 10:06:29PDTYesHLMANZI/YMOJUSGS10.10.860.00 GoodClearNONE1Grizzly Crl blw DDWADEQSCMMVADV10.130.428.20.36FIRMUNSPEVENSTDYUNEVNSTDDNST50.00
10202021-09-29 09:44:15PDTYesHLMANZIUSGS7.850.700.000.50FairClearNONE1Grizzly CrkWADEQSCMMVADV7.8532.026.00.30FIRMLDGEEVENSTDYUNEVSTNDDNST30.00
10192021-06-04 11:08:01PDTYesHlmanziUSGS11.30.90-0.010.75FairClearNONE1Grizzly CrkWADEQSCMMVADV11.332.029.10.39FIRMBLDRUNEVSTDYUNEVSTNDDNST30.00
3782021-05-13 09:15PDTYesPGEUSGS32.11.26 Good NONE1main HFOTHRother 32.1 UNSPUNSPUNSPUNSPUNSPUNSPUNSP
3772021-05-04 09:15PDTYesPGEUSGS57.91.42 Poor NONE1PGE HFOTHRother 57.9 UNSPUNSPUNSPUNSPUNSPUNSPUNSP
10182020-09-01 09:56:34PDTYesHLMUSGS6.580.610.000.38FairClearNONE1Grizzly Crk Blw DDWADEQSCMMVADV6.5828.521.60.30FIRMLDGEEVENSTDYUNEVSTNDDNST45.00
10172020-05-20 10:22PDTYesHLMUSGS78.91.60 PoorClearUNSP1GrizzleyCrk blw DDWADEQSCMMVADV84.028.014.22.95FIRMLDGEEVENSTDYEVENUNSPDNST15.00
10162019-09-18 10:09:51PDTYesHLM/DSUSGS8.270.710.000.75FairClearNONE1Grizzly CrkWADEQSCMMVADV8.2732.027.40.30FIRMLDGEEVENSTDYUNEVSTNDDNST25.00
10152019-06-19 12:16:30PDTYesHLM/DSUSGS11.30.860.000.50FairClearNONE1Grizzly CrkWADEQSCMMVADV11.332.028.70.39FIRMLDGEEVENSTDYUNEVSTNDDNST35.00
10142018-09-06 10:02:22PDTYesHLM/DSUSGS7.850.690.000.50FairClearNONE1Grizzly Crk blw DDWADEQSCMMVADV7.8531.024.20.32FIRMLDGEEVENSTDYUNEVSTNDDNST30.00
10132018-06-13 11:24:36PDTYesHLMUSGS10.20.820.000.57FairClearNONE1Grizzly CrkWADEQSCMMVADV10.231.528.30.36FIRMLDGEEVENSTDYUNEVUNSPDNST50.00
10122017-09-13 16:38:30PDTYesHLMUSGS8.720.74 FairClearNONE1Grizzly CrkWADEQSCMMVADV8.7231.026.00.34FIRMLDGEEVENSTDYUNEVUNKNDNST45.00
10112016-08-04 09:39PDTYesHLM/TWBUSGS8.900.780.020.40FairClearNONE1mainWADEQSCMMVADV8.9032.028.40.31FIRMLDGEEVENunknUNEVSTNDDNST10.00
10102016-05-18 09:13:30PDTYesHLM/GGHUSGS12.20.910.000.60FairClearNONE1mainWADEQSCMMVADV12.230.828.20.43FIRMBLDRUNEVunknUNEVSTNDDNST25.00
10092015-08-26 08:11PDTYesHLMUSGS8.760.730.000.70GoodClearNONE1mainWADEQSCMMVADV8.7631.025.90.34FIRMUNSPEVENunknUNEVSTNDDNST35.00
10082015-05-13 09:09PDTYesHLMUSGS10.50.880.000.60FairClearNONE1mainWADEQSCMMVADV10.531.527.50.38FIRMLDGEEVENunknUNEVUNSPDNST30.00
10072014-09-23 13:10PDTYeskbUSGS9.160.72 Good NONE1grizzly creekWADEQSCMMVADV9.1632.527.60.33FIRMLDGEEVENunknEVENSTNDDNST20.00
10062014-06-12 11:38PDTYeskbUSGS10.20.81 Fair NONE1grizzly creekWADEQSCMMVADV10.230.226.70.38FIRMLDGEEVENunknEVENUNFMDNST20.00
10052013-05-23 11:11:30PDTYesKBUSGS14.30.96 Fair NONE1GrizzlyWADEQSCMMVADV14.330.629.40.49FIRMLDGEEVENunknEVENSTNDDNST15.00
10042013-05-23 10:31:30PDTYesKBUSGS13.90.96 Fair NONE1GrizzlyWADEQSCMMVADV13.931.529.70.47FIRMLDGEEVENunknEVENUNKNDNST15.00
10032012-09-13 11:22PDTYesKBUSGS9.920.80 Fair NONE111404300WADEQSCMMVADV9.9233.028.50.35FIRMLDGEEVENunknEVENSTNDDNST20.00
10022012-06-21 10:52:30PDTYesKB/JJUSGS11.20.87 Fair NONE1GrizzlyWADEQSCMMVADV11.232.029.20.38FIRMLDGEEVENunknEVENUNKNDNST20.00
10012011-09-14 12:12PDTYesKBUSGS8.180.74 FairClearNONE1GrizzlyWADEQSCMMVADV8.1830.025.40.32FIRMLDGEEVENunknEVENSTNDDNST20.00