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 383317121584601 WILLOW CANAL BL CHAPMAN RESERVOIR NR WINTERS CA


Yolo County, California
Hydrologic Unit Code 18020163
Latitude  38°33'17", Longitude 121°58'46" NAD27
Gage datum 150 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)
112011-06-02 15:55PDTYesBTYUSGS18.91.050.001.10FairClearNONE1Willow Canal bl Chapman Reservoir nr Winters, CAWADEQSCMMVADV18.913.820.50.92FIRMLDGEEVENunknUNEVNSTDUPST20.00
102010-05-21 12:33:30PDTYesBTYUSGS51.72.110.001.00FairClearNONE1Willow Canal bl Chapman Reservoir nr Winters, CAWADEQSCMMVADV51.717.336.71.41FIRMLDGEEVENunknUNEVNSTDUPST25.00
92009-06-18 15:39:30PDTYesBTYUSGS23.91.420.011.10FairDebrisLightNONE1Willow Canal below Chapman Reservoir near Winters, CAWADEQSCMMVADV23.914.121.71.10FIRMsiltEVENunknUNEVUNSPUPST20.00
82009-06-05 11:22PDTYesBTYUSGS63.62.500.001.10FairClearNONE1Head of Willow Canal below Chapman Reservior nr Winters, CAWADEQSCMMVADV63.618.442.31.50SOFTsiltEVENunknUNEVUNSPUPST20.00
72009-05-29 14:21PDTYesBTYUSGS40.01.88-0.051.10FairClearNONE1Willow Canal below Chapman Reservoir nr. Winters, CAWADEQSCMMVADV40.015.329.11.37FIRMLDGEEVENunknUNEVUNSPUPST15.00
62008-04-25 12:31PDTYesBTYUSGS36.81.800.001.00FairClearNONE1Imported Channel 1WADEQSCMMVADV36.815.128.21.31UNSPUNSPUNSPunknUNSPUNSPUNSP
52006-10-26 12:33PDTYesBTYUSGS39.31.870.000.80PoorClearNONE1Imported Channel 1WADEQSCMMVADV39.315.631.51.25UNSPUNSPUNSPunknUNSPUNSPUNSP
42006-10-26 11:38PDTYesBTYUSGS27.41.480.000.50PoorClearNONE1Imported Channel 1WADEQSCMMVADV27.414.625.81.07UNSPUNSPUNSPunknUNSPUNSPUNSP
32006-10-26 10:44PDTYesBTYUSGS17.31.100.000.50PoorClearNONE1Imported Channel 1WADEQSCMMVADV17.313.820.20.86UNSPUNSPUNSPunknUNSPUNSPUNSP
22006-10-26 09:53PDTYesBTYUSGS6.530.590.000.40PoorClearNONE1Imported Channel 1WADEQSCMMVADV6.5312.413.30.49UNSPUNSPUNSPunknUNSPUNSPUNSP
12006-10-20 10:35PDTYesBTYUSGS11.23.370.000.40PoorClearNONE1Imported Channel 1WADEQSCMMVADV11.211.913.70.82UNSPUNSPUNSPunknUNSPUNSPUNSP