# # U.S. Geological Survey, National Water Information System # Surface water measurements # # Retrieved: 2026-01-03 05:48:32 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 01645745 LITTLE DIFFICULT RUN NEAR VIENNA, VA # ----------------------------------------------------------------------------------- # # 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 5s 15s 6s 19d 12s 1s 12s 5s 12s 12s 12s 7s 6s 21s 15s USGS 01645745 1 2008-04-01 12:07:00 EDT Yes RJA/RRL USGS 24.47 1.84 Good 0.00 0.30 Clear NONE USGS 01645745 2 2008-04-21 14:40:00 EDT Yes RRL USGS 25.00 19.9 Good 0.00 0.20 Unspecifed NONE USGS 01645745 3 2009-02-11 15:12:30 EST Yes RJA/RRL USGS 24.38 1.53 Fair 0.00 0.30 Unspecifed NONE USGS 01645745 4 2009-06-09 13:15:00 EDT Yes RJA/RBB USGS 24.62 9.44 Fair 0.00 0.10 Clear NONE USGS 01645745 5 2009-10-01 13:47:00 EDT Yes RJA/KMD USGS 24.26 0.52 Fair 0.00 0.20 DebrisLight NONE USGS 01645745 6 2009-11-10 11:22:30 EST Yes RJA/KMD USGS 24.36 1.10 Good 0.00 0.40 DebrisModerate NONE USGS 01645745 7 2009-12-09 15:00:00 EST Yes KMD USGS 24.84 21.6 Fair -0.04 0.30 Clear NONE USGS 01645745 8 2010-05-19 09:55:30 EDT Yes RLY/KMD USGS 24.36 2.08 Fair 0.00 0.40 Clear NONE USGS 01645745 9 2010-07-16 09:04:00 EDT Yes KMD/MJB USGS 24.37 1.74 Fair 0.00 0.40 Clear NONE USGS 01645745 10 2010-08-18 13:38:00 EDT Yes RLY USGS 25.18 34.2 Fair 0.00 0.30 Unspecifed NONE USGS 01645745 11 2010-09-09 10:57:30 EDT Yes RLY/KMD USGS 24.25 0.20 Poor 0.00 0.30 DebrisLight NONE USGS 01645745 12 2010-11-04 09:53:00 EDT Yes RLY/KMD USGS 24.62 6.72 Fair 0.00 0.30 DebrisLight NONE USGS 01645745 13 2011-01-18 12:50:30 EST Yes RLY/KMD USGS 24.38 1.54 Fair 0.00 0.50 Clear NONE USGS 01645745 14 2011-03-10 08:39:30 EST Yes RLY/KMD USGS 24.87 21.2 Fair 0.03 0.30 Clear NONE USGS 01645745 15 2011-04-21 13:20:30 EDT Yes RLY/KMD USGS 24.44 2.78 Fair 0.00 0.40 Clear NONE USGS 01645745 16 2011-07-06 10:30:00 EDT Yes KMD/WVD USGS 24.27 0.45 Poor -0.01 0.40 Clear NONE USGS 01645745 17 2011-08-30 11:00:00 EDT Yes KMD/WVD USGS 24.28 0.38 Fair 0.00 0.30 Clear NONE USGS 01645745 18E 2011-09-08 Yes RRL USGS 32.64 6450 Poor NONE USGS 01645745 18S 2011-09-08 Yes RRL/JMD USGS 32.68 2960 Unknown NONE USGS 01645745 19 2011-09-14 11:39:00 EDT Yes DLM/KMD USGS 24.36 1.24 Good 0.00 0.60 Clear NONE USGS 01645745 20 2011-09-20 17:28:00 EDT Yes DLM,JKM USGS 24.40 1.56 Fair Clear NONE USGS 01645745 21 2011-11-04 08:23:00 EDT Yes kmd,neb USGS 24.38 2.15 Good 0.00 0.40 DebrisLight NONE USGS 01645745 22 2011-12-05 14:37:00 EST Yes DLM,JKM USGS 24.36 1.92 Good 0.00 0.50 NONE USGS 01645745 23 2012-01-12 08:20:00 EST Yes CCR/KMD USGS 24.76 17.6 Good -0.07 0.30 NONE USGS 01645745 24 2012-04-04 17:24:00 EDT Yes DLM USGS 24.37 2.20 Good 0.00 0.50 NONE USGS 01645745 25 2013-05-02 13:30:00 EDT Yes JDJ USGS 24.36 1.66 Good NONE USGS 01645745 26 2014-02-11 16:23:30 EST Yes jsw ajp USGS 24.40 2.18 Good NONE USGS 01645745 27 2014-06-03 09:51:00 EDT Yes DLM RDR USGS 2.42 Good NONE USGS 01645745 28 2015-06-12 08:31:30 EDT Yes JSW USGS 1.49 Good NONE USGS 01645745 29 2016-03-07 14:01:00 EST Yes BTC USGS 24.44 2.76 Good NONE USGS 01645745 30 2016-03-22 15:14:30 EDT Yes BTC USGS 24.44 2.36 Good NONE USGS 01645745 31 2016-06-09 10:46:30 EDT Yes AKM USGS 1.59 Good NONE USGS 01645745 32 2017-10-25 14:16:30 EDT No USGS 01645745 33 2018-04-04 10:21:00 EDT Yes HDR/JMD USGS 24.43 1.70 Good 0.00 0.40 DebrisLight NONE USGS 01645745 34 2018-04-16 11:19:30 EDT Yes JMD/TRD USGS 25.00 18.8 Fair 0.00 0.30 DebrisLight NONE USGS 01645745 34S 2018-05-14 21:00:00 EDT Yes JMD USGS 26.75 153 Unknown NONE USGS 01645745 35 2018-05-16 11:04:30 EDT Yes HDR/CND USGS 24.50 2.84 Fair 0.00 0.60 DebrisLight NONE USGS 01645745 35S 2018-05-19 04:00:00 EDT Yes JMD USGS 27.20 195 Unknown NONE USGS 01645745 36S 2018-05-31 20:00:00 EDT Yes JMD USGS 27.94 172 Unknown NONE USGS 01645745 036 2018-06-18 15:57:30 EDT Yes DLM, JSW USGS 24.40 1.14 Good 0.00 0.50 Clear NONE USGS 01645745 37S 2018-07-21 22:00:00 EDT Yes JMD USGS 29.94 973 Unknown NONE USGS 01645745 38S 2018-08-01 03:45:00 EDT Yes JMD USGS 30.69 1060 Unknown NONE USGS 01645745 39S 2018-08-21 22:15:00 EDT Yes JMD USGS 27.39 224 Unknown NONE USGS 01645745 40S 2018-11-24 01:15:00 EST Yes JMD USGS 28.29 279 Unknown NONE USGS 01645745 37 2019-03-13 11:11:30 EDT Yes JMD/BWD USGS 24.58 5.27 Fair -0.01 0.30 Clear NONE USGS 01645745 38 2020-11-17 08:48:00 EST Yes TDC USGS 24.41 2.16 Good 0.00 0.50 NONE USGS 01645745 39 2022-03-04 09:45:44 EST Yes BWD/HKC USGS 24.29 1.86 Fair 0.00 0.50 DebrisLight NONE USGS 01645745 40 2022-07-01 10:23:00 EDT Yes BWD/HKC USGS 24.14 0.80 Poor 0.00 0.38 Clear NONE USGS 01645745 41 2022-10-17 15:37:37 EDT Yes BWD USGS 24.14 0.49 Fair 0.00 0.42 DebrisModerate NONE USGS 01645745 41S 2022-12-15 18:15:30 EST Yes JKL USGS 26.45 84.0 Unknown NONE USGS 01645745 42S 2022-12-22 23:00:30 EST Yes JKL USGS 28.09 205 Unknown NONE USGS 01645745 43 2024-10-18 10:15:16 EDT Yes TJT/RAM USGS 24.12 0.32 Poor 0.00 0.45 DebrisHeavy NONE USGS 01645745 44 2025-01-30 13:08:40 EST Yes TJT/RAM USGS 24.17 1.02 Poor 0.00 0.48 DebrisLight NONE USGS 01645745 44S 2025-02-16 12:30:30 EST Yes RAM USGS 25.92 73.0 Unknown NONE USGS 01645745 45 2025-04-03 14:18:30 EDT Yes TJT/HDR USGS 24.23 1.54 Poor 0.00 0.50 Clear NONE USGS 01645745 45S 2025-05-13 18:00:30 EDT Yes RAM USGS 25.95 70.0 Unknown NONE USGS 01645745 46 2025-06-12 14:11:59 EDT Yes TJT/HDR USGS 24.16 0.84 Poor 0.00 0.45 Clear NONE USGS 01645745 47 2025-08-14 12:44:16 EDT Yes TJT/HDR USGS 24.08 0.38 Poor 0.00 0.43 Clear NONE USGS 01645745 48 2025-11-20 09:37:53 EST Yes TJT/HDR USGS 24.12 0.39 Poor 0.00 0.43 DebrisModerate NONE