# # U.S. Geological Survey, National Water Information System # Surface water measurements # # Retrieved: 2026-01-23 22:17:30 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 11048520 CENTRAL IRVINE CHANNEL NR TUSTIN 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 11048520 1 2010-01-08 11:20:00 PST Yes JLA USGS 1.39 0.00 Poor VegetationLight NONE 1 Imported Channel 1 OTHR other 0.00 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 11048520 2 2010-01-20 14:05:00 PST Yes RSP/JVC USGS 1.98 67.4 Poor -0.11 0.30 Clear NONE 1 Imported Channel 1 BRDS QSCMM VPAA 67.4 24.0 18.1 3.72 UNSP UNSP UNSP unkn UNEV UNSP DNST 10.00 USGS 11048520 3 2010-01-20 15:50:00 PST Yes RSP/JVC USGS 2.61 264 Unspecified Clear NONE 1 Imported Channel 1 UNSP other 264 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 11048520 4 2010-01-20 16:30:00 PST Yes RSP/JVC USGS 3.45 508 Poor 0.15 0.20 Clear NONE 1 Imported Channel 1 BRDS QSCMM VPAA 508 24.0 49.4 10.3 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 11048520 5 2010-01-20 16:45:00 PST Yes RSP/JVC USGS 3.74 705 Poor -0.07 0.10 Clear NONE 1 Imported Channel 1 BRDS QSCMM VPAA 705 24.0 59.4 11.9 UNSP UNSP UNSP unkn UNSP UNSP DNST 10.00 USGS 11048520 6 2010-02-01 16:00:00 PST Yes JLA USGS 1.40 0.01 Poor 0.00 0.00 Clear NONE 1 Imported Channel 1 WADE QSCMM VPYG 0.01 0.80 0.01 0.80 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 11048520 7 2010-03-02 11:35:00 PST Yes JLA USGS 1.40 0.02 Poor 0.00 0.10 Clear NONE 1 Imported Channel 1 WADE other 0.02 UNSP UNSP UNSP unkn UNSP UNSP UPST 20.00 USGS 11048520 8 2010-04-05 12:10:00 PDT Yes JLA USGS 1.71 3.75 Poor 0.02 0.30 Unspecifed NONE 1 Imported Channel 1 WADE QSCMM unkno 3.75 8.30 1.68 2.23 UNSP UNSP UNSP unkn UNEV UNSP UNSP USGS 11048520 9 2010-04-30 08:50:00 PDT Yes JLA USGS 1.45 0.06 Poor 0.00 0.00 Unspecifed NONE 1 Imported Channel 1 WADE other 0.06 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 11048520 10 2010-06-03 10:08:30 PDT Yes JLA USGS 1.43 0.03 Poor 0.00 0.10 VegetationLight NONE 1 . OTHR other 0.03 FIRM LDGE EVEN unkn EVEN UNSP UPST 150.00 USGS 11048520 11 2010-07-12 11:26:30 PDT Yes JLA USGS 1.44 0.04 Poor 0.00 0.10 VegetationLight NONE 1 . OTHR other 0.04 FIRM LDGE EVEN unkn UNEV UNSP UPST 150.00 USGS 11048520 12 2010-08-04 08:59:00 PDT Yes JLA USGS 1.46 0.04 Poor 0.00 0.10 VegetationLight NONE 1 . OTHR other 0.04 FIRM LDGE EVEN unkn EVEN UNSP UPST 150.00 USGS 11048520 13 2010-09-03 10:11:30 PDT Yes JLA USGS 1.48 0.05 Poor 0.00 0.10 VegetationLight NONE 1 . OTHR other 0.05 FIRM LDGE EVEN unkn EVEN UNSP UPST 150.00 USGS 11048520 14 2010-10-07 08:45:00 PDT Yes JLA USGS 1.44 0.04 Poor 0.00 0.10 Clear NONE 1 . OTHR other 0.04 FIRM LDGE EVEN unkn UNEV UNSP UPST 150.00 USGS 11048520 15 2010-10-29 11:55:30 PDT Yes JLA USGS 1.39 0.00 Poor 0.00 0.00 VegetationLight NONE 1 Imported Channel 1 OTHR other 0.00 FIRM LDGE UNSP unkn EVEN UNSP UNSP USGS 11048520 16 2011-02-14 15:26:00 PST Yes JLA USGS 1.39 0.00 Poor 0.00 0.10 DebrisLight NONE 1 . OTHR other 0.00 FIRM LDGE EVEN unkn UNSP UNSP UPST 30.00 USGS 11048520 17 2011-11-02 07:49:30 PDT Yes ZNB USGS 1.62 1.14 Poor 0.00 0.10 Clear NONE 1 1 OTHR other 1.14 FIRM LDGE EVEN unkn UNEV UNKN UPST 50.00 USGS 11048520 18 2011-12-09 09:08:30 PST Yes ZNB USGS 1.39 0.00 Unspecified Clear NONE 1 1 OTHR other 0.00 FIRM LDGE EVEN unkn UNSP UNSP UPST 200.00 USGS 11048520 19 2012-01-12 09:16:30 PST Yes ZNB USGS 1.41 0.05 Unspecified 0.00 0.00 VegetationModerate NONE 1 1 OTHR other 0.05 FIRM LDGE EVEN unkn UNEV UNSP UPST 50.00 USGS 11048520 20 2012-02-09 08:40:00 PST Yes ZNB USGS 1.41 0.04 Poor Clear NONE 1 1 OTHR other 0.04 FIRM LDGE EVEN unkn UNSP UNSP UPST 200.00 USGS 11048520 21 2012-03-08 09:52:00 PST Yes ZNB USGS 1.40 0.02 Poor 0.00 0.10 VegetationModerate NONE 1 1 OTHR other 0.02 FIRM LDGE EVEN unkn UNSP UNSP UPST 150.00 USGS 11048520 22 2012-04-05 10:28:00 PDT Yes ZNB USGS 1.44 0.10 Poor 0.00 0.10 Clear NONE 1 1 OTHR other 0.10 FIRM LDGE EVEN unkn UNSP UNSP UPST 150.00 USGS 11048520 23 2012-05-08 09:04:00 PDT Yes ZNB USGS 1.43 0.04 Poor 0.00 0.10 Clear NONE 1 1 OTHR other 0.04 FIRM LDGE EVEN unkn UNEV UNSP UPST 50.00 USGS 11048520 24 2012-06-14 08:53:30 PDT Yes ZNB USGS 1.47 0.05 Poor VegetationHeavy NONE 1 1 OTHR other 0.05 FIRM LDGE EVEN unkn UNEV UNSP UPST 2000.00 USGS 11048520 25 2012-07-27 10:30:00 PDT Yes ZNB USGS 1.43 0.03 Poor 0.00 0.10 VegetationModerate NONE 1 1 OTHR other 0.03 FIRM LDGE UNEV unkn UNEV UNSP UPST 1000.00 USGS 11048520 25a 2012-08-12 Yes JDK USGS 2.12 20.0 Unspecified NONE 1 Imported Channel 1 UNSP other 20.0 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 11048520 25b 2012-08-12 Yes JDK USGS 2.44 50.0 Unspecified NONE 1 Imported Channel 1 OTHR QIDIR 50.0 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 11048520 25c 2012-08-12 02:00:00 PDT Yes JDK USGS 2.81 100 Unspecified NONE 1 Imported Channel 1 OTHR QIDIR 100 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 11048520 25d 2012-08-12 03:00:00 PDT Yes JDK USGS 3.38 200 Unspecified NONE 1 Imported Channel 1 OTHR QIDIR 200 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 11048520 25e 2012-08-12 04:00:00 PDT Yes JDK USGS 4.65 500 Unspecified NONE 1 Imported Channel 1 OTHR QIDIR 500 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 11048520 25f 2012-08-12 05:00:00 PDT Yes JDK USGS 6.24 1000 Unspecified NONE 1 Imported Channel 1 OTHR QIDIR 1000 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 11048520 25g 2012-08-12 06:00:00 PDT Yes JDK USGS 8.79 2000 Unspecified NONE 1 Imported Channel 1 OTHR QIDIR 2000 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 11048520 26 2012-08-16 09:28:30 PDT Yes ZNB USGS 1.43 0.04 Poor 0.00 0.10 VegetationLight NONE 1 1 OTHR other 0.04 FIRM LDGE EVEN unkn UNSP UNSP UPST 300.00 USGS 11048520 27 2012-09-06 09:32:00 PDT Yes ZNB USGS 1.49 0.05 Poor VegetationHeavy NONE 1 1 OTHR other 0.05 FIRM LDGE EVEN unkn EVEN UNSP UPST 300.00 USGS 11048520 28 2012-10-11 10:49:00 PDT Yes ZNB USGS 1.49 0.30 Poor 0.04 0.10 VegetationLight NONE 1 1 OTHR other 0.30 FIRM LDGE EVEN unkn UNEV UNSP UPST 300.00 USGS 11048520 29 2012-11-05 11:36:00 PST Yes ZNB USGS 1.66 1.59 Poor VegetationLight NONE 1 1 WADE QSCMM VADV 1.59 7.20 2.74 0.58 FIRM LDGE EVEN unkn EVEN NSTD UPST 75.00 USGS 11048520 30 2012-12-05 15:01:30 PST Yes ZNB USGS 1.42 0.06 Poor Clear NONE 1 1 OTHR other 0.06 FIRM LDGE EVEN unkn UNEV UNSP UPST 300.00 USGS 11048520 31 2013-01-08 13:35:30 PST Yes ZNB USGS 1.44 0.04 Unspecified Clear NONE 1 1 OTHR other 0.04 FIRM LDGE EVEN unkn UNEV UNSP UPST 300.00 USGS 11048520 32 2013-02-05 14:21:00 PST Yes ZNB USGS 1.44 0.10 Fair VegetationLight NONE 1 1 OTHR other 0.10 FIRM LDGE UNEV unkn UNEV UNSP UPST 2000.00 USGS 11048520 33 2013-03-06 14:32:00 PST Yes ZNB USGS 1.42 0.02 Poor 0.00 DebrisHeavy NONE 1 1 OTHR other 0.02 FIRM LDGE UNEV unkn UNEV UNSP UPST 300.00 USGS 11048520 34 2013-04-04 14:15:00 PDT Yes ZNB USGS 1.42 0.04 Unspecified VegetationModerate NONE 1 Channel 1 UNSP other 0.04 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 11048520 35 2013-04-24 10:25:00 PDT No USGS 11048520 36 2013-04-24 10:30:00 PDT Yes KLS USGS 1.44 0.08 Unspecified VegetationLight NONE 1 Channel 1 UNSP QSCMM VPYG 0.08 1.26 0.10 0.80 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 11048520 37 2013-05-21 12:23:00 PDT Yes KLS USGS 1.40 0.05 Poor VegetationLight NONE 1 . WADE QSCMM VPYG 0.05 2.13 0.06 0.80 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 38 2013-07-15 10:33:00 PDT Yes KLS USGS 1.44 0.06 Poor VegetationLight NONE 1 . WADE QSCMM VPYG 0.06 2.06 0.08 0.80 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 39 2013-08-05 10:50:00 PDT Yes KLS USGS 1.46 0.13 Poor VegetationLight NONE 1 . WADE QSCMM VPYG 0.13 2.28 0.16 0.80 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 40 2013-09-03 13:50:00 PDT Yes KLS USGS 1.39 0.04 Poor VegetationLight NONE 1 . WADE QSCMM VPYG 0.04 2.04 0.05 0.80 UNSP UNSP UNSP unkn UNSP UNSP UPST 80.00 USGS 11048520 41 2013-10-21 14:03:00 PDT Yes KLS USGS 1.44 0.09 Poor VegetationLight NONE 1 . WADE QSCMM VPYG 0.09 2.23 0.10 0.86 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 42 2013-11-04 10:02:00 PST Yes KLS USGS 1.42 0.07 Poor VegetationLight NONE 1 . WADE QSCMM VPYG 0.07 2.63 0.08 0.85 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 43 2013-12-03 12:53:48 PST Yes KLS USGS 1.38 0.03 Poor VegetationLight NONE 1 . WADE QSCMM VPYG 0.03 2.38 0.04 0.80 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 44 2014-01-06 12:44:59 PST Yes KLS USGS 1.39 0.04 Excellent Clear NONE 1 . WADE QSCMM VPYG 0.04 2.16 0.05 0.80 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 45 2014-02-03 11:19:23 PST No USGS 11048520 46 2014-02-03 11:47:00 PST Yes KLS USGS 1.53 0.47 Poor VegetationLight NONE 1 . WADE QSCMM VADV 0.47 1.33 0.25 1.85 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 47 2014-02-26 12:56:24 PST Yes KLS USGS 1.40 0.03 Poor VegetationLight NONE 1 . WADE QSCMM VPYG 0.03 2.20 0.04 0.80 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 48 2014-04-01 11:23:30 PDT Yes KLS USGS 1.66 1.07 Poor VegetationLight NONE 1 . WADE QSCMM VADV 1.07 9.50 1.67 0.64 FIRM LDGE UNEV unkn UNSP UNSP DNST 15.00 USGS 11048520 49 2014-04-29 09:38:43 PDT Yes KLS USGS 1.45 0.07 Poor VegetationLight NONE 1 . WADE QSCMM VPYG 0.07 3.85 0.08 0.95 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 50 2014-06-02 09:40:39 PDT Yes KLS USGS 1.46 0.08 Poor VegetationLight NONE 1 . WADE QSCMM VPYG 0.08 2.13 0.09 0.91 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 51 2014-06-30 10:28:27 PDT Yes KLS USGS 1.47 0.08 Poor VegetationModerate NONE 1 . WADE QSCMM VPYG 0.08 2.34 0.09 0.91 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 52 2014-07-28 10:49:47 PDT Yes KLS USGS 1.51 0.16 Poor VegetationLight NONE 1 . WADE QSCMM VPYG 0.16 2.23 0.15 1.06 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 53 2014-08-25 10:05:29 PDT Yes KLS USGS 1.45 0.07 Poor DebrisLight NONE 1 . WADE QSCMM VPYG 0.07 2.22 0.07 1.00 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 54 2014-10-07 10:09:00 PDT Yes KLS USGS 1.54 0.45 Poor VegetationLight NONE 1 . WADE QSCMM VADV 0.45 1.36 0.25 1.78 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 55 2014-11-03 10:38:59 PST Yes KLS USGS 1.43 0.06 Poor Clear NONE 1 . WADE QSCMM VPYG 0.06 1.34 0.07 0.92 UNSP UNSP UNSP unkn UNSP UNSP UPST 80.00 USGS 11048520 56 2014-11-24 09:49:44 PST Yes KLS USGS 1.41 0.03 Poor DebrisModerate NONE 1 . WADE QSCMM VPYG 0.03 1.29 0.03 0.97 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 57 2014-12-16 10:27:00 PST Yes KLS USGS 1.42 0.03 Poor Clear NONE 1 . OTHR other 0.03 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 11048520 58 2014-12-29 08:38:30 PST Yes KLS USGS 0.00 Unspecified Clear NONE 1 . OTHR other 0.00 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 11048520 59 2015-02-04 10:06:19 PST Yes KLS USGS 1.43 0.05 Poor Clear NONE 1 . WADE QSCMM VPYG 0.05 2.36 0.06 0.95 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 60 2015-02-24 09:49:24 PST Yes KLS USGS 1.42 0.05 Poor Clear NONE 1 . WADE QSCMM VPYG 0.05 2.31 0.06 0.93 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 61 2015-03-31 10:23:46 PDT Yes KLS USGS 1.42 0.06 Poor Unspecifed NONE 1 . WADE QSCMM VPYG 0.06 2.25 0.05 1.04 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 62 2015-04-28 10:32:20 PDT Yes KLS USGS 1.44 0.09 Poor DebrisLight NONE 1 . WADE QSCMM VPYG 0.09 2.22 0.09 0.97 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 63 2015-05-27 09:30:28 PDT Yes KLS USGS 1.42 0.05 Poor Clear NONE 1 . WADE QSCMM VPYG 0.05 2.19 0.06 0.95 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 64 2015-06-17 11:02:08 PDT Yes KLS USGS 1.45 0.05 Poor Clear NONE 1 . WADE QSCMM VPYG 0.05 2.27 0.05 1.00 UNSP UNSP UNSP unkn UNSP UNSP UPST 80.00 USGS 11048520 65 2015-07-28 11:08:36 PDT Yes KLS USGS 1.40 0.04 Poor Clear NONE 1 .. WADE QSCMM VPYG 0.04 2.19 0.04 0.98 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 66 2015-08-31 10:15:13 PDT Yes KLS USGS 1.46 0.09 Poor Clear NONE 1 . WADE QSCMM VPYG 0.09 2.07 0.09 1.06 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 67 2015-10-07 08:09:34 PDT Yes KLS USGS 1.46 0.09 Poor Clear NONE 1 . WADE QSCMM VPYG 0.09 3.88 0.09 1.06 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00 USGS 11048520 68 2015-11-02 09:52:57 PST Yes KLS USGS 1.47 0.11 Poor VegetationLight NONE 1 . WADE QSCMM VPYG 0.11 2.33 0.10 1.07 FIRM LDGE EVEN unkn UNSP UNSP UPST 80.00