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 11453590 POPE C A WALTER SPRINGS CA
Napa County, California
Hydrologic Unit Code 180201620203
Latitude  38°38'49.1", Longitude 122°21'56.97" NAD83
Drainage area 40.4  square miles
Gage datum 521.09 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 
342025-05-06 11:28:40PDTYesWELUKASusgs9.6116.62 FairDebrisHeavyunkn
332025-04-17 13:05:16PDTYesWELUKASusgs23.616.88 Fair unkn
322025-04-07 14:27:37PDTNo
312025-03-03 12:02:51PSTYesWELUKASusgs35.117.29 FairVegetationModerateunkn
302025-02-06 11:12:55PSTYesWELUKAS/DCMCusgs34119.54 PoorFillControlChangedunkn
292025-02-04 11:14:15PSTYesWELUKAS/DCMCusgs142022.27 PoorDebrisModerateunkn
282025-01-06 14:26:37PSTYesWELUKASusgs80.717.77 FairVegetationModerateunkn
272024-12-13 11:42:43PSTYesWELUKAS/JMCHusgs55.117.56 PoorVegetationHeavyunkn
262024-11-27 12:44:34PSTYesWELUKASusgs34.417.27 FairVegetationModerateunkn
252024-11-04 13:21:24PSTYesWELUKASusgs0.00 ExcellentNoFlowunkn
242024-08-07 12:30PDTYesJMCHAN, WELUSGS0.00 ExcellentNoFlowunkn
232023-05-04 11:54:39PDTYesWELUKASusgs22.316.81 GoodClearunkn
222023-04-11 13:42:03PDTYesWELUKASusgs59.517.33 GoodClearunkn
212023-03-15 14:17:41PDTYesWELUKAS/DRPAUSGS55720.03 FairDebrisHeavyunkn
202023-02-09 12:19:29PSTYesWELUKASUSGS56.317.31 FairClearunkn
192023-01-10 12:50:23PSTYesdrparker/ikaUSGS119021.38 PoorDebrisHeavyunkn
182023-01-10 12:11:09PSTYesdrparker/ikaUSGS103021.32 PoorDebrisHeavyunkn
172022-12-20 14:01:45PSTYesWELUKASUSGS2.7716.29 PoorDebrisLightunkn
162022-11-10 12:19:09PSTYesWELUKASUSGS0.00 ExcellentNoFlowunkn
152022-09-28 13:22:12PDTYesWELUKASUSGS0.00 ExcellentNoFlowunkn
142022-05-02 12:42:40PDTNo
132022-05-02 12:15:26PDTYesWELUKASUSGS4.0616.410.000.50FairDebrisLightunkn
122022-04-08 11:46:22PDTYesWELUKASUSGS0.5716.22 PoorFillControlChangedunkn
112022-02-24 11:36:21PSTYesWELUKASUSGS8.2416.49 PoorDebrisLightunkn
102022-01-10 12:17:20PSTYesWELUKASUSGS34.617.05 FairDebrisHeavyunkn
92021-10-25 14:13:59PDTYesWELUKAS/DCMGUSGS50019.91 PoorDebrisHeavyunkn
82021-10-14 11:17:28PDTYesWELUKASUSGS0.00 ExcellentNoFlowunkn
72021-09-30 11:56:30PDTYesIKARAMITSOSUSGS0.00 Excellent unkn
62021-05-19 11:14PDTYesWELUKASUSGS0.00 ExcellentNoFlowunkn
52021-04-14 13:15PDTYesWELUKASUSGS0.0616.12 PoorDebrisLightunkn
42021-03-16 14:11:34PDTYesWELUKASUSGS6.8816.52 Fair unkn
32021-01-27 14:14:12PSTYesWELUSGS13418.16-0.140.50FairDebrisLightunkn
22021-01-15 13:31PSTYesWELUSGS0.0816.130.000.10FairDebrisModerateunkn
12021-01-05 14:40:42PSTYesWELUSGS17.016.75-0.020.60FairClearunkn