# # U.S. Geological Survey, National Water Information System # Surface water measurements # # Retrieved: 2024-04-19 23:46:38 EDT (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 01647740 NORTH BRANCH ROCK CREEK NEAR ROCKVILLE, MD # ----------------------------------------------------------------------------------- # # 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 01647740 1 1967-07-10 15:30:00 EDT Yes WJD USGS 1.13 3.78 Good 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 3.78 15.0 10.9 0.35 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 2 1967-08-05 Yes WJD USGS 1.71 38.3 Good 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 38.3 15.9 19.6 1.96 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 3 1967-08-16 08:30:00 EDT Yes WJD USGS 1.08 2.61 Good 0.00 0.60 Clear NONE 1 Imported Channel 1 WADE unspe unkno 2.61 12.3 8.21 0.32 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 4 1967-08-28 09:30:00 EDT Yes WJD USGS 1.90 50.0 Good -0.01 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 50.0 16.3 24.3 2.06 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 5 1968-02-07 13:30:00 EST Yes WJD USGS 1.32 10.2 Good 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 10.2 13.0 12.0 0.85 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 6 1968-02-07 15:05:00 EST Yes WJD USGS 0.94 0.67 Fair 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 0.67 7.70 2.23 0.30 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 7 1968-03-18 12:00:00 EST Yes WJD USGS 1.64 28.9 Good 0.00 0.30 Clear NONE 1 Imported Channel 1 WADE unspe unkno 28.9 15.7 18.5 1.56 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 8 1968-05-28 13:15:00 EDT Yes THY USGS 2.38 44.9 Good 0.06 0.50 DebrisLight NONE 1 Imported Channel 1 WADE unspe unkno 44.9 21.0 37.6 1.19 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 9 1969-05-20 09:20:00 EDT Yes WJD USGS 1.21 6.38 Good 0.00 0.30 Clear NONE 1 Imported Channel 1 WADE unspe unkno 6.38 13.6 13.9 0.46 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 10 1970-01-27 14:15:00 EST Yes WJD USGS 1.52 20.5 Good 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 20.5 14.0 18.9 1.08 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 11 1970-04-15 10:00:00 EST Yes WJD USGS 2.26 81.4 Good -0.02 0.30 Clear NONE 1 Imported Channel 1 WADE unspe unkno 81.4 22.5 35.5 2.29 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 12 1971-02-09 15:00:00 EST Yes WJD USGS 2.85 98.2 Fair -0.05 0.30 Clear NONE 1 Imported Channel 1 WADE unspe unkno 98.2 23.0 45.1 2.18 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 13 1971-02-18 13:15:00 EST Yes WJD USGS 1.90 54.6 Good 0.01 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 54.6 15.0 25.6 2.13 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 14 1971-05-14 14:40:00 EDT Yes WJD USGS 2.43 86.1 Good 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 86.1 22.5 37.6 2.29 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 15 1971-05-31 11:25:00 EDT Yes THY USGS 1.93 55.0 Fair 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 55.0 14.8 27.5 2.00 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 16 1971-10-26 15:21:00 EDT Yes THY USGS 2.33 28.6 Good 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 28.6 22.0 39.7 1.98 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 17 1971-11-16 14:30:00 EST Yes CSO USGS 1.35 10.5 Good 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 10.5 12.0 15.8 0.66 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 18 1972-03-21 14:30:00 EST Yes GBC USGS 1.68 31.4 Good 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 31.4 18.0 22.5 1.38 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 19C 1972-06-22 Yes THY USGS 6.10 420 Fair Clear NONE 1 Imported Channel 1 WADE unspe unkno 420 0.00 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 20 1972-06-28 15:20:00 EDT Yes CSG USGS 3.10 111 Good 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 111 23.0 55.6 2.00 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 21 1972-07-05 16:15:00 EDT Yes GBC USGS 2.91 99.7 Good 0.00 0.90 Clear NONE 1 Imported Channel 1 WADE unspe unkno 99.7 17.0 46.9 2.13 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 22 1972-09-25 15:48:00 EDT Yes GBC USGS 1.17 4.52 Good 0.00 0.60 Clear NONE 1 Imported Channel 1 WADE unspe unkno 4.52 15.3 14.5 0.32 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 23 1973-01-17 13:05:00 EST Yes CSG USGS 1.41 13.7 Good 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 13.7 14.5 18.3 0.75 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 24 1973-05-17 12:40:00 EDT Yes THY USGS 1.40 12.1 Good 0.00 0.70 Clear NONE 1 Imported Channel 1 WADE unspe unkno 12.1 17.3 19.7 0.61 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 25 1973-09-19 15:30:00 EDT Yes WJH USGS 1.35 10.2 Fair 0.00 0.70 Clear NONE 1 Imported Channel 1 WADE unspe unkno 10.2 16.3 17.8 0.58 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 26 1973-09-27 13:05:00 EDT Yes WJH USGS 1.20 5.37 Good 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 5.37 15.6 15.8 0.34 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 27 1974-01-16 14:00:00 EDT Yes WJH USGS 1.43 13.4 Good 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 13.4 12.5 20.6 0.65 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 28 1974-05-21 13:11:00 EDT Yes WJH/GHC USGS 1.30 7.82 Good 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 7.82 17.4 15.4 0.49 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 29 1974-07-09 12:10:00 EDT Yes WJH USGS 1.18 3.84 Good 0.00 0.60 Clear NONE 1 Imported Channel 1 WADE unspe unkno 3.84 17.0 13.3 0.29 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 30 1974-07-12 16:30:00 EDT Yes DJS/WJH USGS 1.12 3.30 Good 0.00 0.60 Clear NONE 1 Imported Channel 1 WADE unspe unkno 3.30 16.8 12.4 0.27 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 31 1974-08-16 13:05:00 EDT Yes DJS USGS 1.09 1.93 Good 0.00 0.80 DebrisHeavy NONE 1 Imported Channel 1 WADE unspe unkno 1.93 16.0 12.7 0.15 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 32 1974-09-27 12:45:00 EDT Yes WJH USGS 1.12 2.42 Good 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 2.42 15.9 12.5 0.19 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 33 1974-11-01 13:20:00 EST Yes WJH USGS 1.14 3.08 Good 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 3.08 17.0 13.2 0.23 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 34 1974-11-08 10:50:00 EST Yes WJH USGS 1.30 2.32 Good 0.00 0.50 Unspecifed NONE 1 Imported Channel 1 WADE unspe unkno 2.32 12.6 3.84 0.60 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 35 1974-12-02 15:00:00 EST Yes THY USGS 2.91 68.8 Good -0.02 0.60 Clear NONE 1 Imported Channel 1 WADE unspe unkno 68.8 24.0 54.3 1.27 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 36 1974-12-10 15:15:00 EST Yes WJH USGS 1.78 25.0 Good 0.00 0.50 Unspecifed NONE 1 Imported Channel 1 WADE unspe unkno 25.0 18.3 27.1 0.92 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 37 1975-01-07 11:14:00 EST Yes WJH USGS 1.27 7.82 Good 0.00 0.60 DebrisModerate NONE 1 Imported Channel 1 WADE unspe unkno 7.82 17.3 15.3 0.51 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 38 1975-02-14 13:40:00 EST Yes RMC USGS 1.52 16.2 Good 0.00 0.40 Unspecifed NONE 1 Imported Channel 1 WADE unspe unkno 16.2 18.3 20.0 0.81 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 39 1975-03-07 14:07:00 EDT Yes PGH/WJH USGS 1.33 9.81 Good 0.00 0.70 Clear NONE 1 Imported Channel 1 WADE unspe unkno 9.81 17.8 16.5 0.59 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 40 1975-03-11 13:15:00 EDT Yes RMC USGS 1.32 9.22 Good 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 9.22 17.4 16.5 0.56 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 41 1975-03-20 13:25:00 EDT Yes WJH/DJJ USGS 2.64 73.4 Fair -0.02 0.80 Clear NONE 1 Imported Channel 1 WADE unspe unkno 73.4 22.7 43.7 1.68 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 42 1975-04-01 13:10:00 EDT Yes RMC USGS 1.56 22.4 Good 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 22.4 18.5 21.4 1.05 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 43 1975-05-13 14:59:00 EDT Yes RMC USGS 1.47 18.4 Good 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 18.4 18.5 22.0 0.84 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 44 1975-06-24 14:25:00 EDT Yes DJS/GHC USGS 1.18 5.39 Good 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 5.39 17.7 18.9 0.28 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 45 1975-07-14 14:35:00 EDT Yes DJS/THY USGS 2.06 50.7 Good 0.00 0.70 Unspecifed NONE 1 Imported Channel 1 WADE unspe unkno 50.7 20.0 35.5 1.42 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 46C 1975-09-26 13:55:00 EDT Yes THY/EC USGS 5.95 292 Fair DebrisModerate NONE 1 Imported Channel 1 WADE unspe unkno 292 0.00 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 47C 1975-09-28 Yes THY USGS 3.93 132 Fair NONE 1 Imported Channel 1 UNSP other 132 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 48C 1975-09-29 Yes THY USGS 3.37 109 Fair NONE 1 Imported Channel 1 UNSP other 109 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 49 1975-10-15 11:25:00 EDT Yes RMC USGS 1.39 12.5 Good 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 12.5 17.0 18.1 0.69 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 50 1976-01-26 10:20:00 EST Yes RMC USGS 1.47 16.0 Good 0.01 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 16.0 18.0 19.0 0.84 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 51 1976-01-28 10:05:00 EST Yes RMC USGS 2.00 60.1 Good 0.01 0.60 Clear NONE 1 Imported Channel 1 WADE unspe unkno 60.1 20.0 31.4 1.91 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 52 1976-04-20 11:25:00 EST Yes JFH/BMH USGS 1.29 10.3 Good 0.00 0.50 DebrisLight NONE 1 Imported Channel 1 WADE unspe unkno 10.3 18.0 17.3 0.60 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 53 1976-07-16 13:45:00 EDT Yes JFH USGS 1.18 5.95 Good 0.00 0.80 Clear NONE 1 Imported Channel 1 WADE unspe unkno 5.95 17.7 15.2 0.39 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 54 1976-10-15 13:25:00 EDT Yes JFH USGS 1.34 12.5 Good 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 12.5 18.5 17.8 0.70 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 55 1976-11-27 12:25:00 EST Yes TM USGS 1.25 7.43 Good 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 7.43 18.0 15.8 0.47 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 56 1976-12-29 10:25:00 EST Yes JM USGS 1.25 7.36 Good 0.00 0.50 DebrisLight NONE 1 Imported Channel 1 WADE unspe unkno 7.36 17.7 15.6 0.47 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 57 1977-02-11 11:45:00 EST Yes JM USGS 1.23 6.87 Good 0.00 0.80 Clear NONE 1 Imported Channel 1 WADE unspe unkno 6.87 17.7 15.4 0.45 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 58 1977-03-31 13:55:00 EST Yes JM USGS 1.46 18.0 Good 0.00 0.50 Clear NONE 1 Imported Channel 1 WADE unspe unkno 18.0 18.0 19.8 0.90 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 59 1977-06-20 12:55:00 EDT Yes JMM/BRN USGS 1.13 3.69 Good 0.00 0.50 DebrisLight NONE 1 Imported Channel 1 WADE unspe unkno 3.69 17.0 14.5 0.26 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 60 1977-08-22 14:15:00 EDT Yes JFH USGS 1.10 2.56 Good 0.00 0.80 Clear NONE 1 Imported Channel 1 UNSP other 2.56 UNSP UNSP UNSP unkn UNSP UNSP UNSP USGS 01647740 61 1977-10-11 16:10:00 EDT Yes JFH USGS 1.02 1.07 Good 0.00 0.70 Clear NONE 1 Imported Channel 1 WADE unspe unkno 1.07 17.5 9.48 0.11 UNSP UNSP UNSP unkn UNSP UNSP UNSP