# # U.S. Geological Survey, National Water Information System # Surface water measurements # # Retrieved: 2025-12-23 14:33:48 EST (vaww02) # # 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 11183670 WALNUT C A DIAMOND BLVD BRIDGE NR CONCORD 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 11183670 1 2020-12-29 15:47:18 PST Yes LAC/CSS/TKN USGS 9.09 6.78 Fair DebrisLight NONE 1 1 WADE QSCMM VADV 6.78 13.6 7.53 0.90 FIRM GRVL EVEN STDY EVEN STND DNST 100.00 USGS 11183670 2 2021-01-05 12:24:40 PST Yes BDC USGS 9.38 23.6 Good -0.03 0.60 DebrisHeavy NONE 1 1 WADE QSCMM VADV 23.6 20.3 13.4 1.76 FIRM GRVL EVEN STDY EVEN UNKN DNST 50.00 USGS 11183670 3 2021-11-04 12:16:33 PDT Yes BDCYR USGS 9.10 9.87 Good 0.00 0.60 DebrisLight NONE 1 1 WADE QSCMM VADV 9.87 25.0 18.1 0.55 SOFT SAND EVEN STDY EVEN STND DNST 90.00 USGS 11183670 4 2021-11-09 09:21:22 PST Yes BDCYR USGS 11.28 153 Good -0.10 0.50 VegetationLight NONE 1 1 WADE QSCMM VADV 153 50.5 109 1.40 SOFT GRVL EVEN STDY EVEN STND DNST 100.00 USGS 11183670 5 2021-11-22 13:36:20 PST Yes BDCYR USGS 8.93 6.59 Good 0.00 0.50 Clear NONE 1 1 WADE QSCMM VADV 6.59 26.0 13.5 0.49 FIRM silt EVEN STDY EVEN STND DNST 90.00 USGS 11183670 6 2021-12-13 10:39:35 PST Yes LCANNAR/BDCY USGS 15.52 1270 Poor 0.31 0.40 DebrisLight NONE 1 2 OTHR other 5.00 FIRM silt EVEN STDY EVEN STND ATGA 0.00 USGS 11183670 6 2021-12-13 10:39:35 PST Yes LCANNAR/BDCY USGS 15.52 1270 Poor 0.31 0.40 DebrisLight NONE 2 1 BRDS QADCP VADCP 1270 76.9 397 3.19 FIRM silt EVEN STDY EVEN STND ATGA 0.00 USGS 11183670 7 2021-12-13 12:30:10 PST Yes LCANNAR/BDCY USGS 15.90 1500 Fair -0.17 0.70 DebrisLight NONE 1 1 BRDS QSCMM VADCP 1500 150 578 2.60 FIRM silt EVEN STDY EVEN STND ATGA 0.00 USGS 11183670 8 2021-12-16 14:31:51 PST Yes BDCYR USGS 11.71 230 Good -0.14 0.70 Unspecifed NONE 1 1 WADE QSCMM VADV 230 55.5 146 1.58 FIRM GRVL EVEN STDY EVEN STND DNST 80.00 USGS 11183670 9 2021-12-23 12:29:14 PST Yes BDCYR USGS 16.97 2420 Fair -0.58 0.80 NONE 1 1 BRDS QSCMM VPAA 2420 222 883 2.74 SOFT GRVL EVEN STDY EVEN STND DNST 80.00 USGS 11183670 10 2022-01-04 11:09:56 PST Yes BDCYR USGS 10.96 156 Good -0.06 0.70 Clear NONE 1 1 WADE QSCMM VADV 156 51.0 102 1.53 SOFT GRVL EVEN STDY EVEN STND DNST 100.00 USGS 11183670 11 2022-01-28 11:15:04 PST Yes BDCYR USGS 9.02 14.4 Good 0.00 0.50 Clear NONE 1 1 WADE QSCMM VADV 14.4 26.0 15.4 0.93 FIRM GRVL EVEN STDY EVEN STND DNST 50.00 USGS 11183670 12 2022-03-11 08:49:46 PST Yes BDCYR USGS 9.01 9.89 Fair 0.00 0.50 DebrisLight NONE 1 1 WADE QSCMM VADV 9.89 26.3 14.7 0.67 FIRM GRVL EVEN STDY EVEN STND DNST 60.00 USGS 11183670 13 2022-04-05 11:14:45 PDT Yes BDCYR USGS 8.87 9.63 Good 0.00 0.50 Clear NONE 1 1 WADE QSCMM VADV 9.63 9.80 7.27 1.32 SOFT GRVL UNEV STDY EVEN UNKN UPST 150.00 USGS 11183670 14 2022-04-21 10:02:00 PDT Yes BDCYR USGS 13.04 452 Fair -0.04 0.40 Clear OTHR 1 1 BRDS QADCP VADCP 444 66.4 244 1.82 SOFT GRVL EVEN STDY EVEN STND DNST 40.00 USGS 11183670 15 2022-04-28 12:54:06 PDT Yes BDCYR USGS 8.88 10.7 Good 0.01 0.50 Clear NONE 1 1 WADE QSCMM VADV 10.7 10.7 8.61 1.25 SOFT GRVL EVEN STDY EVEN UNKN UPST 100.00 USGS 11183670 16 2022-05-19 09:26:54 PDT Yes BDCYR USGS 8.80 7.45 Good 0.00 0.40 Clear NONE 1 1 WADE QSCMM VADV 7.45 10.3 7.42 1.00 SOFT GRVL EVEN STDY EVEN STND UPST 100.00