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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 11416100 BOWMAN SPAULDING CN A JORDAN C SIPHON CA
Nevada County, California
Hydrologic Unit Code 18020125
Latitude  39°20'32", Longitude 120°38'26" NAD27
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)
10252025-09-04 15:53:43PDTYesKWBAZARUSGS279 Fair NONE1clotheslineCWAYQADCPVADCP27918.485.23.27UNSPUNSPUNSPUNSPEVENUNSPDNST200.00
10242025-06-10 16:17:51PDTYesKWBAZARUSGS15.5 Poor NONE1permanent clotheslineCWAYQADCPVADCP15.510.313.51.15UNSPUNSPUNSPUNSPEVENUNSPDNST100.00
10232024-09-26 15:29:32PDTYesKWBAZARUSGS248 Fair NONE1clotheslineCWAYQADCPVADCP24819.089.82.76UNSPUNSPUNSPUNSPUNSPUNSPDNST70.00
10222023-09-19 16:28:59PDTYesKWBAZARUSGS2412.34 Fair NONE1CABLECWAYQADCPVADCP24118.389.32.70UNSPUNSPUNSPUNSPUNSPUNSPDNST200.00
10212023-07-11 17:04:25PDTYesKWBAZARUSGS2562.32 Fair NONE1PERMANENT CLOTHESLINECWAYQADCPVADCP25618.891.52.79UNSPUNSPUNSPUNSPUNSPUNSPUNSP
10202022-09-08 17:10:59PDTYesKWBAZARUSGS196 Fair NONE1wire clotheslineCWAYQADCPVADCP19618.079.12.48UNSPUNSPUNSPUNSPUNSPUNSPDNST300.00
10192022-07-06 13:06:25PDTYesKWBAZARUSGS2652.44 Fair NONE1measuring lineCWAYQADCPVADCP26519.697.82.71UNSPUNSPUNSPUNSPUNSPUNSPDNST100.00
10182021-09-30 15:20:10PDTYesKWBAZARUSGS1471.59 Fair NONE1clotheslineCWAYQADCPVADCP14718.386.81.69UNSPUNSPUNSPUNSPUNSPUNSPUNSP
10172021-06-24 16:23:09PDTYesKWBAZARUSGS1801.75 Fair NONE1NEW CLOTHESLINECWAYQADCPVADCP18019.593.21.93UNSPUNSPUNSPUNSPUNSPUNSPDNST500.00
2020-09-29 12:39:30PDTYeskwbUSGS191 Unknown NONE1Bowman-Spaulding Canal at Jordan CrunknQADCPVADCP19116.065.42.93unknunknunknunknunknUNKNunkn
10162020-05-07 15:21:27PDTYeskwbUSGS216 Fair NONE1New measuring bridge by gage houseBRDSQADCPVADCP21616.667.23.21UNSPUNSPUNSPUNSPUNSPUNSPUNSP
10152019-09-26 14:52:15PDTYeskwb, TLUSGS1902.04 Fair NONE1bridgeBRDSQADCPVADCP19014.749.53.85UNSPUNSPUNSPUNSPUNSPUNSPDNST60.00
10142019-06-17 13:45PDTYeskwb,avmUSGS2342.17 Fair NONE1footbridgeBRDSQADCPVADCP23414.259.23.95UNSPUNSPUNSPUNSPUNSPUNSPUNSP
10132018-06-26 15:31:26PDTYeskwbUSGS2431.99 Fair NONE1footbridgeCWAYQADCPVADCP24316.262.23.90UNSPUNSPUNSPUNSPUNSPUNSPUNSP
10122017-09-29 15:41:47PDTYesKBUSGS2385.53 Fair NONE1footbridgeCWAYQADCPVADCP23816.958.34.07UNSPUNSPUNSPUNSPUNSPUNSPDNST100.00
10112017-06-29 16:23:23PDTYeskbUSGS2892.30 Fair NONE1jordon siphonBRDSQADCPVADCP28913.569.04.19UNSPUNSPUNSPUNSPUNSPUNSPUNSP
10102016-09-14 14:11:30PDTYesjmn/hlmUSGS2542.15 1.00FairVegetationModerateNONE1mainWADEQSCMMVPAA25413.055.04.61FIRMLDGEEVENunknUNSPSTNDUPST2500.00
10092015-08-31 12:53PDTYesavmUSGS2662.170.000.80Fair NONE1canalWADEQSCMMVPAA26613.859.54.47FIRMLDGEEVENunknUNSPSTNDUPST2500.00
10082015-05-22 12:47PDTYesavmUSGS1951.650.001.00Fair NONE1canalWADEQSCMMVPAA19513.745.94.25FIRMLDGEEVENunknUNSPSTNDATGA
10072014-09-18 17:22:30PDTYesavm/NIDUSGS1621.510.000.80Fair NONE1main channelBRUSQSCMMVPAA16213.542.53.83FIRMLDGEEVENunknUNSPUNKNATGA
10062014-06-18 13:15:57PDTYeskbUSGS1831.69 Fair NONE1jordon siphon bridgeBRDSQADCPVADCP18314.046.33.96FIRMLDGEEVENunknEVENSTNDDNST1000.00
10052013-09-09 14:14:04PDTYesPHUSGS2542.400.000.30FairClearNONE1mainBRDSQADCPVADCP25414.055.14.62FIRMLDGEEVENunknEVENUNFMATGA
10042013-07-03 10:16:28PDTYesPHUSGS1881.630.000.40GoodClearNONE1mainBRDSQADCPVADCP18813.441.54.53FIRMLDGEEVENunknEVENSTNDUPST1200.00
10032012-09-19 12:39PDTYesJWJUSGS2542.210.000.50FairClearNONE1Bowman-Spaulding Canal at Jordan CrBRUSQSCMMVPAA25413.451.14.97FIRMLDGEEVENunknEVENNSTDUPST2000.00
10022012-07-19 11:56PDTYesJWJUSGS2682.390.000.90FairClearNONE1Jordan Cr SiphonBRUSQSCMMVPAA26814.056.54.75FIRMLDGEEVENunknEVENSTNDUPST2000.00
10012011-09-14 14:51:30PDTYesJWJUSGS3166.450.000.20FairClearNONE1Bowman Spalding Canal at J Siphon.BRDSQADCPVADCP31614.570.94.46FIRMLDGEEVENunknEVENSTNDDNST100.00
10002011-07-21 13:47PDTYesJWJUSGS2916.460.000.70FairClearNONE1Bowman-Spaulding Canal at Jordan Cr SiphonBRUSQSCMMVPAA29113.568.74.23FIRMLDGEEVENunknEVENNSTDDNST130.00