# # U.S. Geological Survey, National Water Information System # Surface water measurements # # Retrieved: 2026-01-22 20:20:04 EST (sdww01) # # 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 06819110 Middle Branch 102 River near Gravity, IA # ----------------------------------------------------------------------------------- # # 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 06819110 1 1966-06-26 Yes --L/--- USGS 81.80 1100 Fair 0.04 NONE 1 Imported Channel 1 CRAN unspe unkno 1100 98.0 370 2.97 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 06819110 2 1967-06-09 23:00:00 CST Yes --B/--S USGS 78.93 482 Good 0.03 0.50 NONE 1 Imported Channel 1 CRAN unspe unkno 482 32.0 166 2.90 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 06819110 3 1967-06-11 23:00:00 CST Yes --B/--S USGS 82.63 2550 Good -0.18 0.50 NONE 1 Imported Channel 1 CRAN unspe unkno 2550 105 556 4.59 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 06819110 4 1973-09-26 Yes MES/--- USGS 72.97 72.3 Poor NONE 1 Imported Channel 1 CRAN unspe unkno 72.3 33.0 33.9 2.13 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 06819110 6 1986-09-19 Yes JGG/JJW USGS 75.02 1720 Fair 0.00 0.20 Clear NONE 1 Imported Channel 1 CRAN unspe unkno 1720 45.0 209 8.23 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 06819110 5 1986-09-19 Yes JGG/JJW USGS 75.02 1660 Fair 0.00 0.30 Clear NONE 1 Imported Channel 1 CRAN unspe unkno 1660 45.0 210 7.90 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 06819110 7 1989-09-08 15:15:00 CDT Yes JGG USGS 74.16 1460 Poor 0.06 0.30 Clear NONE 1 Imported Channel 1 CRAN unspe unkno 1460 66.0 360 4.06 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 06819110 8 1989-09-08 15:40:00 CDT Yes JGG USGS 74.26 1440 Poor 0.06 0.30 Clear NONE 1 Imported Channel 1 CRAN unspe unkno 1440 66.0 351 4.10 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 06819110 9 1989-09-09 09:05:00 CDT Yes RLK USGS 79.71 3810 Poor -0.68 1.00 Clear NONE 1 Imported Channel 1 CRAN unspe unkno 3810 90.0 685 5.56 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 06819110 10 1993-07-05 09:45:00 CDT Yes JRS USGS 67.24 2230 Poor 0.06 0.30 Clear NONE 1 Imported Channel 1 CRAN unspe unkno 2230 63.0 342 6.52 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 06819110 11 1993-07-05 10:35:00 CDT Yes JRS USGS 67.54 2180 Poor 0.47 0.80 Clear NONE 1 Imported Channel 1 CRAN unspe unkno 2180 68.0 408 5.34 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 06819110 12 1993-07-05 12:10:00 CDT Yes JRS USGS 68.48 2230 Poor 0.14 0.30 Clear NONE 1 Imported Channel 1 CRAN unspe unkno 2230 68.0 450 4.96 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 06819110 13 1993-07-20 13:00:00 CDT Yes RLK USGS 64.64 1150 Poor 0.27 0.30 Clear NONE 1 Imported Channel 1 CRAN unspe unkno 1150 54.0 223 5.16 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 06819110 14 1993-07-20 13:25:00 CDT Yes RLK USGS 64.88 1260 Poor 0.02 0.20 Clear NONE 1 Imported Channel 1 CRAN unspe unkno 1260 54.0 235 5.36 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 06819110 15 1996-05-09 09:50:00 CDT Yes DJT USGS 65.97 1880 Poor 1.36 0.80 DebrisHeavy NONE 1 Imported Channel 1 CRAN unspe unkno 1880 60.0 379 4.96 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 06819110 16 2007-05-06 15:10:00 CDT Yes JGG USGS 62.50 1680 Poor -0.17 0.30 Clear NONE 1 Imported Channel 1 UNSP QADCP VADCP 1680 46.0 278 6.05 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 06819110 17 2007-05-06 15:40:00 CDT Yes JGG USGS 62.33 1620 Poor -0.16 0.60 Clear NONE 1 Imported Channel 1 UNSP QADCP VADCP 1620 46.0 274 5.93 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 06819110 18 2008-06-05 10:22:00 CDT Yes JGG/GLF USGS 66.59 2800 Poor 0.00 0.20 Clear NONE 1 Imported Channel 1 UNSP QADCP VADCP 2800 60.0 485 5.78 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 06819110 19 2008-06-05 10:35:00 CDT Yes JGG USGS 66.60 2970 Poor 0.00 0.20 Clear NONE 1 Imported Channel 1 UNSP QADCP VADCP 2970 60.0 544 5.46 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 06819110 20 2008-10-22 14:38:00 CDT Yes GLF USGS 63.30 710 Poor -0.29 0.30 Clear NONE 1 Channel 1 MBOT QSCMM unkno 710 50.0 323 2.20 SOFT SAND UNEV unkn EVEN UNSP ATGA USGS 06819110 21 2010-06-08 14:04:30 CDT Yes JGG USGS 63.46 859 Poor -0.10 0.10 Clear NONE 1 Imported Channel 1 MBOT QSCMM VADCP 859 55.0 327 2.63 FIRM silt EVEN unkn EVEN UNSP ATGA USGS 06819110 22 2010-06-08 14:19:00 CDT Yes JGG USGS 63.35 789 Poor -0.12 0.20 Clear NONE 1 Imported Channel 1 MBOT QSCMM VADCP 789 55.0 320 2.47 FIRM silt EVEN unkn EVEN UNSP ATGA USGS 06819110 23 2013-04-18 11:45:00 CDT Yes JGG USGS 62.93 691 Fair 0.17 0.50 Clear NONE 1 Imported Channel 1 BRDS QSCMM VADCP 691 53.0 328 2.11 FIRM SAND EVEN unkn EVEN UNFM ATGA USGS 06819110 24 2013-04-18 12:08:30 CDT Yes JGG USGS 62.85 648 Fair 0.17 0.20 Clear NONE 1 Imported Channel 1 BRDS QSCMM VADCP 648 53.0 323 2.01 SOFT SAND EVEN unkn EVEN UNFM ATGA