# # U.S. Geological Survey, National Water Information System # Surface water measurements # # Retrieved: 2026-01-27 23:47:58 EST (caww02) # # Further descriptions of the columns and codes used can be found at: # https://help.waterdata.usgs.gov/output-formats#streamflow_measurement_data # # Data for the following 1 site(s) are contained in this file # USGS 383317121584601 WILLOW CANAL BL CHAPMAN RESERVOIR NR WINTERS CA # ----------------------------------------------------------------------------------- # # agency_cd site_no measurement_nu measurement_dt tz_cd q_meas_used_fg party_nm site_visit_coll_agency_cd gage_height_va discharge_va measured_rating_diff gage_va_change gage_va_time control_type_cd discharge_cd chan_nu chan_name meas_type streamflow_method velocity_method chan_discharge chan_width chan_area chan_velocity chan_stability chan_material chan_evenness long_vel_desc horz_vel_desc vert_vel_desc chan_loc_cd chan_loc_dist 5s 15s 6s 19d 12s 1s 12s 5s 12s 12s 12s 7s 6s 21s 15s 11n 64s 4s 5s 5s 14s 14s 14s 14s 4s 4s 4s 12s 9s 12s 7s 14s USGS 383317121584601 1 2006-10-20 10:35:00 PDT Yes BTY USGS 3.37 11.2 Poor 0.00 0.40 Clear NONE 1 Imported Channel 1 WADE QSCMM VADV 11.2 11.9 13.7 0.82 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 383317121584601 2 2006-10-26 09:53:00 PDT Yes BTY USGS 0.59 6.53 Poor 0.00 0.40 Clear NONE 1 Imported Channel 1 WADE QSCMM VADV 6.53 12.4 13.3 0.49 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 383317121584601 3 2006-10-26 10:44:00 PDT Yes BTY USGS 1.10 17.3 Poor 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE QSCMM VADV 17.3 13.8 20.2 0.86 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 383317121584601 4 2006-10-26 11:38:00 PDT Yes BTY USGS 1.48 27.4 Poor 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE QSCMM VADV 27.4 14.6 25.8 1.07 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 383317121584601 5 2006-10-26 12:33:00 PDT Yes BTY USGS 1.87 39.3 Poor 0.00 0.80 Clear NONE 1 Imported Channel 1 WADE QSCMM VADV 39.3 15.6 31.5 1.25 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 383317121584601 6 2008-04-25 12:31:00 PDT Yes BTY USGS 1.80 36.8 Fair 0.00 1.00 Clear NONE 1 Imported Channel 1 WADE QSCMM VADV 36.8 15.1 28.2 1.31 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 383317121584601 7 2009-05-29 14:21:00 PDT Yes BTY USGS 1.88 40.0 Fair -0.05 1.10 Clear NONE 1 Willow Canal below Chapman Reservoir nr. Winters, CA WADE QSCMM VADV 40.0 15.3 29.1 1.37 FIRM LDGE EVEN unkn UNEV UNSP UPST 15.00 USGS 383317121584601 8 2009-06-05 11:22:00 PDT Yes BTY USGS 2.50 63.6 Fair 0.00 1.10 Clear NONE 1 Head of Willow Canal below Chapman Reservior nr Winters, CA WADE QSCMM VADV 63.6 18.4 42.3 1.50 SOFT silt EVEN unkn UNEV UNSP UPST 20.00 USGS 383317121584601 9 2009-06-18 15:39:30 PDT Yes BTY USGS 1.42 23.9 Fair 0.01 1.10 DebrisLight NONE 1 Willow Canal below Chapman Reservoir near Winters, CA WADE QSCMM VADV 23.9 14.1 21.7 1.10 FIRM silt EVEN unkn UNEV UNSP UPST 20.00 USGS 383317121584601 10 2010-05-21 12:33:30 PDT Yes BTY USGS 2.11 51.7 Fair 0.00 1.00 Clear NONE 1 Willow Canal bl Chapman Reservoir nr Winters, CA WADE QSCMM VADV 51.7 17.3 36.7 1.41 FIRM LDGE EVEN unkn UNEV NSTD UPST 25.00 USGS 383317121584601 11 2011-06-02 15:55:00 PDT Yes BTY USGS 1.05 18.9 Fair 0.00 1.10 Clear NONE 1 Willow Canal bl Chapman Reservoir nr Winters, CA WADE QSCMM VADV 18.9 13.8 20.5 0.92 FIRM LDGE EVEN unkn UNEV NSTD UPST 20.00