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 11315900 BEAR R BL LO BEAR R DAM CA


Amador County, California
Hydrologic Unit Code 18040012
Latitude  38°32'11", Longitude 120°15'24" NAD27
Drainage area 37.4  square miles
Gage datum 5,530 feet above NGVD29
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)
10242025-09-29 11:29:53PDTYesHLMANZIUSGS7.271.250.00 FairClearNONE1Bear R blw Lower Bear Res.WADEQSCMMVADV7.2712.311.90.61FIRMLDGEEVENSTDYEVENSTNDDNST20.00
10232024-09-30 14:32:06PDTYesHLMANZIUSGS8.001.25 GoodClearNONE1BEAR R BL LO BEAR R DAMWADEQSCMMVADV8.0012.913.90.58FIRMLDGEEVENSTDYUNEVSTNDDNST20.00
10222024-06-24 14:53:04PDTYesHLMANZIUSGS22.72.08 FairClearNONE1Bear R blw Lo BearWADEQSCMMVADV22.712.924.20.94FIRMLDGEEVENSTDYEVENNSTDDNST20.00
10212023-09-25 15:07:05PDTYesHLMANZIUSGS12.41.500.000.50Fair NONE1Bear R blw Lo Bear ResWADEQSCMMVADV12.413.017.00.73FIRMLDGEEVENSTDYEVENSTNDATGA0.00
10202022-09-12 15:31:44PDTYesHLMANZI, YMPUSGS8.221.280.000.50FairClearNONE1bear R blw Lo Bear ResWADEQSCMMVADV8.2212.813.40.61FIRMLDGEEVENSTDYUNEVSTNDDNST10.00
10192021-09-23 09:37:38PDTYesHLMANZIUSGS6.691.130.000.45FairClearNONE1Bear R blw Lower Bear RWADEQSCMMVADV6.6912.710.40.64FIRMLDGEEVENSTDYUNEVSTNDDNST20.00
10182021-05-24 16:33:39PDTYesHlmanziUSGS22.02.00 FairClearNONE1Bear R blw Lo Bear R DamWADEQSCMMVADV22.012.723.10.95FIRMLDGEEVENSTDYUNEVNSTDDNST20.00
10172020-08-05 10:03:32PDTYesHLMUSGS5.341.010.000.50FairClearNONE1Bear R blw L. Bear ResWADEQSCMMVADV5.3412.89.900.54FIRMLDGEEVENSTDYEVENSTNDDNST15.00
10162020-06-02 15:47:16PDTYesHLMUSGS14.21.680.010.50FairClearNONE1Bear R blw Lower Bear R DamWADEQSCMMVADV14.212.818.50.77FIRMLDGEEVENSTDYUNEVUNSPDNST20.00
10152019-09-09 14:31:26PDTYesHlmUSGS12.21.500.000.50FairClearNONE1Bear R blw L Bear R DamWADEQSCMMVADV12.212.816.50.74FIRMLDGEEVENSTDYEVENUNKNATGA0.00
10142018-08-27 18:09:19PDTYesHLMUSGS7.281.20 GoodClearNONE1mainWADEQSCMMVADV7.2812.812.80.57FIRMLDGEEVENSTDYEVENUNKNDNST10.00
10132018-06-04 17:24:25PDTYesHLMUSGS60.33.200.000.80FairClearNONE1MainWADEQSCMMVADV60.312.636.81.64FIRMLDGEEVENSTDYUNEVNSTDDNST20.00
10122017-09-18 08:58:30PDTYesempUSGS10.01.390.000.40FairClearNONE1mainWADEQSCMMVADV10.012.815.40.65FIRMLDGEEVENSTDYUNEVUNSPATGA0.00
10112016-09-20 18:41:30PDTYesempUSGS7.791.200.000.30FairClearNONE1mainWADEQSCMMVADV7.7912.813.20.59FIRMLDGEEVENunknUNEVUNSPUPST10.00
10102016-05-31 11:33:30PDTYesempUSGS83.73.59-0.020.70PoorClearNONE1mainWADEQSCMMVADV83.712.841.82.00FIRMLDGEEVENunknUNEVNSTDATGA
10092015-09-21 15:09:30PDTYesempUSGS5.031.01 PoorClearNONE1mainWADEQSCMMVPYG5.0312.810.30.49FIRMLDGEEVENunknUNEVUNSPATGA
10082015-09-21 14:04PDTYesempUSGS5.471.02 GoodClearNONE1mainWADEQSCMMVADV5.4712.810.40.53FIRMLDGEEVENunknUNEVUNSPATGA
10072015-04-27 12:58:30PDTYesempUSGS17.11.840.010.80FairClearNONE1mainWADEQSCMMVADV17.112.920.70.83FIRMLDGEEVENunknEVENUNSPATGA
10062014-09-16 11:44PDTYesempUSGS5.991.06 FairVegetationLightNONE1MainWADEQSCMMVADV5.9913.010.40.57FIRMLDGEEVENunknEVENUNSPDNST10.00
10052014-06-09 13:23PDTYesemp/ATUSGS15.31.70 FairClearNONE1mainWADEQSCMMVPAA15.312.917.70.86FIRMLDGEEVENunknEVENUNSPATGA
10042013-08-05 16:24PDTYesHLMUSGS5.551.020.000.50Good NONE1mainWADEQSCMMVADV5.5512.810.70.52FIRMLDGEEVENunknEVENSTNDDNST2.00
10032013-06-03 16:09PDTYesHLMUSGS31.22.370.000.80GoodClearNONE1mainWADEQSCMMVADV31.212.828.31.11FIRMLDGEEVENunknEVENUNKNDNST15.00
10022012-09-10 12:12:30PDTYesHLMUSGS5.201.010.000.50FairClearNONE1mainWADEQSCMMVADV5.2012.910.20.51FIRMLDGEEVENunknUNEVUNKNDNST5.00
10012012-06-04 12:50PDTYesHLMUSGS9.64 UnspecifiedClearNONE1Channel 1UNSPQSCMMVPAA9.6412.814.50.66FIRMLDGEEVENunknUNEVUNFMDNST5.00
10002011-09-19 18:01:30PDTYesHLMUSGS8.351.170.000.70FairClearNONE1mainWADEQSCMMVADV8.3512.99.680.86FIRMLDGEEVENunknUNEVSTNDUPST5.00