# # U.S. Geological Survey, National Water Information System # Surface water measurements # # Retrieved: 2025-01-06 22:17:09 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 01490140 LITTLE BLACKWATER RIVER AT SEWARD, 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 5s 15s 6s 19d 12s 1s 12s 5s 12s 12s 12s 7s 6s 21s 15s USGS 01490140 1Z 2006-10-25 14:11:00 EDT Yes AJT/MB USGS 289 Fair Clear NONE USGS 01490140 1A 2007-03-12 10:47:00 EDT Yes AJT USGS 1.49 -189 Fair NONE USGS 01490140 2A 2007-03-12 10:54:00 EDT Yes AJT USGS 1.50 -176 Good NONE USGS 01490140 3A 2007-03-12 11:01:00 EDT Yes AJT USGS 1.50 -204 Fair NONE USGS 01490140 4A 2007-03-12 11:08:00 EDT Yes AJT USGS 1.51 -212 Fair NONE USGS 01490140 1 2007-03-22 10:42:00 EDT Yes AJT USGS -0.43 -275 Fair NONE USGS 01490140 2 2007-03-22 10:47:00 EDT Yes AJT USGS -0.43 -313 Fair NONE USGS 01490140 3 2007-03-22 10:54:00 EDT Yes AJT USGS -0.42 -315 Fair NONE USGS 01490140 4 2007-03-22 11:04:00 EDT Yes AJT USGS -0.42 -316 Fair NONE USGS 01490140 5 2007-03-22 11:14:00 EDT Yes AJT USGS -0.41 -313 Fair NONE USGS 01490140 6 2007-03-22 11:24:00 EDT Yes AJT USGS -0.41 -281 Fair NONE USGS 01490140 7 2007-03-22 11:34:00 EDT Yes AJT USGS -0.41 -262 Fair NONE USGS 01490140 8 2007-03-22 11:54:00 EDT Yes AJT USGS -0.41 -251 Fair NONE USGS 01490140 9 2007-03-22 12:05:00 EDT Yes AJT USGS -0.41 -246 Fair NONE USGS 01490140 10 2007-03-22 12:20:00 EDT Yes AJT USGS -0.41 -240 Fair NONE USGS 01490140 11 2007-03-22 12:29:00 EDT Yes AJT USGS -0.41 -228 Fair NONE USGS 01490140 12 2007-03-22 12:39:00 EDT Yes AJT USGS -0.41 -232 Fair NONE USGS 01490140 13 2007-03-22 12:49:00 EDT Yes AJT USGS -0.41 -245 Fair NONE USGS 01490140 14 2007-03-22 12:59:00 EDT Yes AJT USGS -0.41 -203 Fair NONE USGS 01490140 15 2007-03-22 13:11:00 EDT Yes AJT USGS -0.40 -180 Fair NONE USGS 01490140 16 2007-03-22 13:19:00 EDT Yes AJT USGS -0.41 -166 Fair NONE USGS 01490140 17 2007-03-22 13:29:00 EDT Yes AJT USGS -0.42 -159 Fair NONE USGS 01490140 18 2007-03-22 13:39:00 EDT Yes AJT USGS -0.42 -111 Fair NONE USGS 01490140 19 2007-03-22 13:49:00 EDT Yes AJT USGS -0.42 -28.5 Fair NONE USGS 01490140 20 2007-03-22 13:59:00 EDT Yes AJT USGS -0.43 22.6 Fair NONE USGS 01490140 21 2007-03-22 14:10:00 EDT Yes AJT USGS -0.43 12.4 Fair NONE USGS 01490140 22 2007-03-22 14:19:00 EDT Yes AJT USGS -0.42 79.7 Fair NONE USGS 01490140 23 2007-03-22 14:29:00 EDT Yes AJT USGS -0.43 144 Fair NONE USGS 01490140 24 2007-03-22 14:39:00 EDT Yes AJT USGS -0.43 116 Fair NONE USGS 01490140 25 2007-03-22 14:50:00 EDT Yes AJT USGS -0.43 41.5 Fair NONE USGS 01490140 26 2007-03-22 14:59:00 EDT Yes AJT USGS -0.43 40.1 Fair NONE USGS 01490140 27 2007-03-22 15:09:00 EDT Yes AJT USGS -0.42 44.7 Fair NONE USGS 01490140 28 2007-03-22 15:20:00 EDT Yes AJT USGS -0.41 73.8 Fair NONE USGS 01490140 29 2007-03-22 15:30:00 EDT Yes AJT USGS -0.41 33.2 Fair NONE USGS 01490140 30 2007-03-22 15:40:00 EDT Yes AJT USGS -0.42 25.9 Fair NONE USGS 01490140 31 2007-03-22 15:50:00 EDT Yes AJT USGS -0.42 -24.3 Fair NONE USGS 01490140 32 2007-10-29 10:00:00 EDT Yes AJT USGS 0.45 314 Fair NONE USGS 01490140 33 2007-10-29 10:12:00 EDT Yes AJT USGS 0.45 293 Fair NONE USGS 01490140 34 2007-10-29 10:24:00 EDT Yes AJT USGS 0.45 378 Fair NONE USGS 01490140 35 2007-10-29 10:36:00 EDT Yes AJT USGS 0.45 353 Fair NONE USGS 01490140 36 2007-10-29 10:48:00 EDT Yes AJT USGS 0.45 384 Fair NONE USGS 01490140 37 2007-10-29 11:00:00 EDT Yes AJT USGS 0.44 337 Fair NONE USGS 01490140 38 2007-10-29 11:12:00 EDT Yes AJT USGS 0.43 341 Fair NONE USGS 01490140 39 2007-10-29 11:24:00 EDT Yes AJT USGS 0.43 329 Fair NONE USGS 01490140 40 2007-10-29 11:36:00 EDT Yes AJT USGS 0.42 307 Fair NONE USGS 01490140 41 2007-10-29 11:48:00 EDT Yes AJT USGS 0.42 379 Fair NONE USGS 01490140 42 2007-10-29 12:00:00 EDT Yes AJT USGS 0.42 322 Fair NONE USGS 01490140 43 2007-10-29 12:12:00 EDT Yes AJT USGS 0.41 291 Fair NONE USGS 01490140 44 2007-10-29 12:48:00 EDT Yes AJT USGS 0.41 285 Fair NONE USGS 01490140 45 2007-10-29 13:00:00 EDT Yes AJT USGS 0.40 309 Fair NONE USGS 01490140 46 2007-10-29 13:12:00 EDT Yes AJT USGS 0.39 211 Fair NONE USGS 01490140 47 2007-10-29 13:24:00 EDT Yes AJT USGS 0.39 235 Fair NONE USGS 01490140 48 2007-10-29 13:36:00 EDT Yes AJT USGS 0.39 192 Fair NONE USGS 01490140 49 2007-10-29 13:48:00 EDT Yes AJT USGS 0.39 189 Fair NONE USGS 01490140 50 2007-10-29 14:00:00 EDT Yes AJT USGS 0.38 156 Fair NONE USGS 01490140 51 2007-10-29 14:12:00 EDT Yes AJT USGS 0.38 157 Fair NONE USGS 01490140 52 2007-10-29 14:24:00 EDT Yes AJT USGS 0.37 165 Fair NONE USGS 01490140 53 2007-10-29 14:36:00 EDT Yes AJT USGS 0.37 155 Fair NONE USGS 01490140 54 2007-10-29 14:48:00 EDT Yes AJT USGS 0.36 122 Fair NONE USGS 01490140 55 2007-10-29 15:00:00 EDT Yes AJT USGS 0.37 91.9 Fair NONE USGS 01490140 56 2007-10-29 15:12:00 EDT Yes AJT USGS 0.37 149 Fair NONE USGS 01490140 57 2007-10-29 15:24:00 EDT Yes AJT USGS 0.36 170 Fair NONE USGS 01490140 58 2008-06-10 09:18:00 EDT Yes AJT USGS -189 Fair NONE USGS 01490140 59 2008-06-10 09:36:00 EDT Yes AJT USGS -215 Fair NONE USGS 01490140 60 2008-06-10 09:48:00 EDT Yes AJT USGS -206 Fair NONE USGS 01490140 61 2008-06-10 10:12:00 EDT Yes AJT USGS -232 Fair NONE USGS 01490140 62 2008-06-10 10:53:00 EDT Yes AJT USGS -225 Fair NONE USGS 01490140 63 2008-06-10 11:06:00 EDT Yes AJT USGS -250 Fair NONE USGS 01490140 64 2008-06-10 11:18:00 EDT Yes AJT USGS -341 Fair NONE USGS 01490140 65 2008-06-10 11:29:00 EDT Yes AJT USGS -303 Fair NONE USGS 01490140 66 2008-06-10 11:42:00 EDT Yes AJT USGS -283 Fair NONE USGS 01490140 67 2008-06-10 11:59:00 EDT Yes AJT USGS -253 Fair NONE USGS 01490140 68 2008-06-10 12:11:00 EDT Yes AJT USGS -266 Fair NONE USGS 01490140 69 2008-06-10 12:24:00 EDT Yes AJT USGS -262 Fair NONE USGS 01490140 70 2008-06-10 12:36:00 EDT Yes AJT USGS -259 Fair NONE USGS 01490140 71 2008-06-10 12:47:00 EDT Yes AJT USGS -290 Fair NONE USGS 01490140 73 2008-06-10 13:24:00 EDT Yes AJT USGS -259 Fair NONE USGS 01490140 74 2008-06-10 13:36:00 EDT Yes AJT USGS -226 Fair NONE USGS 01490140 75 2008-06-10 13:48:00 EDT Yes AJT USGS -241 Fair NONE USGS 01490140 76 2008-06-10 14:00:00 EDT Yes AJT USGS -206 Fair NONE USGS 01490140 72 2008-06-10 14:12:00 EDT Yes AJT USGS -212 Fair NONE USGS 01490140 77 2008-06-10 14:12:00 EDT Yes AJT USGS -245 Fair NONE USGS 01490140 78 2008-06-10 14:24:00 EDT Yes AJT USGS -242 Fair NONE USGS 01490140 79 2008-06-10 14:36:00 EDT Yes AJT USGS -146 Fair NONE USGS 01490140 80 2008-06-10 14:48:00 EDT Yes AJT USGS -140 Fair NONE USGS 01490140 81 2008-06-10 15:00:00 EDT Yes AJT USGS -177 Fair NONE USGS 01490140 82 2008-06-10 15:12:00 EDT Yes AJT USGS -123 Fair NONE USGS 01490140 83 2008-06-10 15:24:00 EDT Yes AJT USGS -18.4 Fair NONE USGS 01490140 84 2008-06-10 15:36:00 EDT Yes AJT USGS 88.0 Fair NONE USGS 01490140 85 2008-06-10 15:48:00 EDT Yes AJT USGS 131 Fair NONE USGS 01490140 86 2008-06-10 15:59:00 EDT Yes AJT USGS 118 Fair NONE USGS 01490140 87 2008-06-10 16:12:00 EDT Yes AJT USGS 133 Fair NONE USGS 01490140 88 2008-06-10 16:27:00 EDT Yes AJT USGS 82.0 Fair NONE USGS 01490140 89 2008-06-10 16:36:00 EDT Yes AJT USGS 126 Fair NONE USGS 01490140 90 2008-06-10 16:48:00 EDT Yes AJT USGS 183 Fair NONE USGS 01490140 91 2008-06-10 17:00:00 EDT Yes AJT USGS 179 Fair NONE USGS 01490140 92 2008-06-10 17:18:00 EDT Yes AJT USGS 126 Fair NONE USGS 01490140 93 2008-06-10 17:30:00 EDT Yes AJT USGS 169 Fair NONE USGS 01490140 94 2008-06-10 17:42:00 EDT Yes AJT USGS 196 Fair NONE USGS 01490140 95 2009-08-13 09:42:00 EDT Yes AJT/CRL USGS 0.38 -151 Good 0.10 Unspecifed NONE USGS 01490140 96 2009-08-13 09:53:00 EDT Yes AJT/CRL USGS 0.39 -169 Good Unspecifed NONE USGS 01490140 97 2009-08-13 10:03:00 EDT Yes AJT/CRL USGS 0.39 -163 Good Unspecifed NONE USGS 01490140 98 2009-08-13 10:17:00 EDT Yes AJT/CRL USGS 0.40 -175 Good Unspecifed NONE USGS 01490140 99 2009-08-13 10:29:00 EDT Yes AJT/CRL USGS 0.40 -190 Good Unspecifed NONE USGS 01490140 100 2009-08-13 10:41:00 EDT Yes AJT/CRL USGS 0.41 -275 Good Unspecifed NONE USGS 01490140 101 2009-08-13 10:53:00 EDT Yes AJT/CRL USGS 0.41 -323 Good Unspecifed NONE USGS 01490140 102 2009-08-13 11:05:00 EDT Yes AJT/CRL USGS 0.42 -342 Good Unspecifed NONE USGS 01490140 103 2009-08-13 11:20:00 EDT Yes AJT/CRL USGS 0.42 -363 Good Unspecifed NONE USGS 01490140 104 2009-08-13 11:29:00 EDT Yes AJT/CRL USGS 0.43 -343 Good Unspecifed NONE USGS 01490140 105 2009-08-13 11:41:00 EDT Yes AJT/CRL USGS 0.43 -362 Good Unspecifed NONE USGS 01490140 106 2009-08-13 11:53:00 EDT Yes AJT/CRL USGS 0.43 -363 Good Unspecifed NONE USGS 01490140 107 2009-08-13 12:05:00 EDT Yes AJT/CRL USGS 0.43 -317 Good Unspecifed NONE USGS 01490140 108 2009-08-13 12:17:00 EDT Yes AJT USGS 0.44 -258 Good Unspecifed NONE USGS 01490140 109 2009-08-13 12:29:00 EDT Yes AJT/CRL USGS 0.44 -212 Good Unspecifed NONE USGS 01490140 110 2009-08-13 12:41:00 EDT Yes AJT/CRL USGS 0.43 -158 Good Unspecifed NONE USGS 01490140 111 2009-08-13 12:53:00 EDT Yes AJT/CRL USGS 0.44 -161 Good Unspecifed NONE USGS 01490140 112 2009-08-13 13:05:00 EDT Yes AJT/CRL USGS 0.44 -166 Good Unspecifed NONE USGS 01490140 113 2009-08-13 13:17:00 EDT Yes AJT/CRL USGS 0.44 -131 Good Unspecifed NONE USGS 01490140 114 2009-08-13 13:29:00 EDT Yes AJT/CRL USGS 0.44 -75.5 Good Unspecifed NONE USGS 01490140 115 2009-08-13 13:41:00 EDT Yes AJT/CRL USGS 0.44 -58.7 Good Unspecifed NONE USGS 01490140 116 2009-08-13 13:53:00 EDT Yes AJT/CRL USGS 0.43 52.2 Good Unspecifed NONE USGS 01490140 117 2009-08-13 14:05:00 EDT Yes AJT USGS 0.43 78.1 Good Unspecifed NONE USGS 01490140 118 2009-08-13 14:17:00 EDT Yes AJT/CRL USGS 0.42 107 Good Unspecifed NONE USGS 01490140 119 2009-08-13 14:29:00 EDT Yes AJT/CRL USGS 0.42 129 Good Unspecifed NONE USGS 01490140 120 2009-08-13 14:41:00 EDT Yes AJT/CRL USGS 0.41 154 Good Unspecifed NONE USGS 01490140 121 2009-10-14 10:59:00 EDT Yes AJT/CRL USGS 0.03 156 Good Unspecifed NONE USGS 01490140 122 2009-10-14 11:05:00 EDT Yes AJT/CRL USGS 0.02 149 Good Unspecifed NONE USGS 01490140 123 2009-10-14 11:11:00 EDT Yes AJT/CRL USGS 0.04 133 Good Unspecifed NONE USGS 01490140 124 2009-10-14 11:17:00 EDT Yes AJT/CRL USGS 0.03 107 Good Unspecifed NONE USGS 01490140 125 2009-10-14 11:23:00 EDT Yes AJT/CRL USGS 0.03 56.0 Good Unspecifed NONE USGS 01490140 126 2009-10-14 11:29:00 EDT Yes AJT/CRL USGS 0.04 43.6 Good Unspecifed NONE USGS 01490140 127 2009-10-14 11:35:00 EDT Yes AJT/CRL USGS 0.03 14.3 Good Unspecifed NONE USGS 01490140 128 2009-10-14 11:41:00 EDT Yes AJT/CRL USGS 0.04 -56.4 Good Unspecifed NONE USGS 01490140 129 2009-10-14 11:47:00 EDT Yes AJT/CRL USGS 0.04 -56.4 Good Unspecifed NONE USGS 01490140 130 2009-10-14 11:53:00 EDT Yes AJT/CRL USGS 0.05 -87.6 Good Unspecifed NONE USGS 01490140 131 2009-10-14 11:59:00 EDT Yes AJT/CRL USGS 0.05 -80.5 Good Unspecifed NONE USGS 01490140 132 2009-10-14 12:11:00 EDT Yes AJT/CRL USGS 0.05 -142 Good Unspecifed NONE USGS 01490140 133 2009-10-14 12:23:00 EDT Yes AJT/CRL USGS 0.06 -219 Good Unspecifed NONE USGS 01490140 134 2009-10-14 12:35:00 EDT Yes AJT USGS 0.06 -258 Good Unspecifed NONE USGS 01490140 135 2009-10-14 12:47:00 EDT Yes AJT/CRL USGS 0.07 -300 Good Unspecifed NONE USGS 01490140 136 2009-10-14 12:59:00 EDT Yes AJT/CRL USGS 0.07 -350 Good Unspecifed NONE USGS 01490140 137 2010-04-14 10:24:00 EDT Yes AJT/CRL USGS 193 Fair NONE USGS 01490140 138 2010-04-14 10:30:00 EDT Yes AJT/CRL USGS 215 Fair NONE USGS 01490140 139 2010-04-14 10:37:00 EDT Yes AJT/CRL USGS 226 Fair NONE USGS 01490140 140 2010-04-14 10:42:00 EDT Yes AJT/CRL USGS 222 Fair NONE USGS 01490140 141 2010-04-14 10:48:00 EDT Yes AJT/CRL USGS 257 Fair NONE USGS 01490140 142 2010-04-14 10:54:00 EDT Yes AJT/CRL USGS 224 Fair NONE USGS 01490140 143 2010-04-14 11:00:00 EDT Yes AJT/CRL USGS 216 Fair NONE USGS 01490140 144 2010-04-14 11:06:00 EDT Yes AJT/CRL USGS 208 Fair NONE USGS 01490140 145 2010-04-14 11:12:00 EDT Yes AJT/CRL USGS 226 Fair NONE USGS 01490140 146 2010-04-14 11:18:00 EDT Yes AJT/CRL USGS 240 Fair NONE USGS 01490140 147 2010-04-14 11:24:00 EDT Yes AJT/CRL USGS 233 Fair NONE USGS 01490140 148 2010-04-14 11:30:00 EDT Yes AJT/CRL USGS 199 Fair NONE USGS 01490140 149 2010-04-14 11:36:00 EDT Yes AJT/CRL USGS 186 Fair NONE USGS 01490140 150 2010-04-14 11:42:00 EDT Yes AJT/CRL USGS 176 Fair NONE USGS 01490140 151 2010-04-14 11:48:00 EDT Yes AJT/CRL USGS 236 Fair NONE USGS 01490140 152 2010-04-14 11:54:00 EDT Yes AJT/CRL USGS 174 Fair NONE USGS 01490140 153 2010-04-14 12:00:00 EDT Yes AJT/CRL USGS 152 Fair NONE USGS 01490140 154 2010-04-14 12:06:00 EDT Yes AJT/CRL USGS 150 Fair NONE USGS 01490140 155 2010-04-14 12:12:00 EDT Yes AJT/CRL USGS 152 Fair NONE USGS 01490140 156 2010-04-14 12:18:00 EDT Yes AJT/CRL USGS 132 Fair NONE USGS 01490140 157 2010-04-14 12:24:00 EDT Yes AJT/CRL USGS 108 Fair NONE USGS 01490140 158 2010-04-14 12:30:00 EDT Yes AJT/CRL USGS 107 Fair NONE USGS 01490140 159 2010-04-14 12:36:00 EDT Yes AJT/CRL USGS 141 Fair NONE USGS 01490140 160 2010-04-14 12:42:00 EDT Yes AJT/CRL USGS 128 Fair NONE USGS 01490140 161 2010-09-21 08:24:00 EDT Yes AJT/CRL USGS 107 Fair NONE USGS 01490140 162 2010-09-21 08:36:00 EDT Yes AJT/CRL USGS 84.6 Fair NONE USGS 01490140 163 2010-09-21 08:48:00 EDT Yes AJT/CRL USGS 88.2 Fair NONE USGS 01490140 164 2010-09-21 09:00:00 EDT Yes AJT/CRL USGS 127 Fair NONE USGS 01490140 165 2010-09-21 09:12:00 EDT Yes AJT/CRL USGS 104 Fair NONE USGS 01490140 166 2010-09-21 09:24:00 EDT Yes AJT/CRL USGS 106 Fair NONE USGS 01490140 167 2010-09-21 09:36:00 EDT Yes AJT/CRL USGS 102 Fair NONE USGS 01490140 168 2010-09-21 09:48:00 EDT Yes AJT/CRL USGS 121 Fair NONE USGS 01490140 169 2010-09-21 10:00:00 EDT Yes AJT/CRL USGS 108 Fair NONE USGS 01490140 170 2010-09-21 10:21:00 EDT Yes AJT/CRL USGS 70.4 Fair NONE USGS 01490140 171 2010-09-21 10:24:00 EDT Yes AJT/CRL USGS 67.9 Fair NONE USGS 01490140 172 2010-09-21 10:36:00 EDT Yes AJT/CRL USGS 57.5 Fair NONE USGS 01490140 173 2010-09-21 10:48:00 EDT Yes AJT/CRL USGS 60.3 Fair NONE USGS 01490140 174 2010-09-21 11:00:00 EDT Yes AJT/CRL USGS 42.3 Fair NONE USGS 01490140 175 2010-09-21 11:12:00 EDT Yes AJT/CRL USGS 13.7 Poor NONE USGS 01490140 176 2010-09-21 11:24:00 EDT Yes AJT/CRL USGS 18.7 Poor NONE USGS 01490140 177 2010-09-21 11:48:00 EDT Yes AJT/CRL USGS 30.9 Poor NONE USGS 01490140 178 2010-09-21 12:00:00 EDT Yes AJT/CRL USGS 13.8 Poor NONE USGS 01490140 179 2010-09-21 12:12:00 EDT Yes AJT/CRL USGS 23.1 Poor NONE USGS 01490140 180 2010-09-21 12:24:00 EDT Yes AJT/CRL USGS -12.4 Poor NONE USGS 01490140 181 2010-09-21 12:36:00 EDT Yes AJT/CRL USGS -37.0 Poor NONE USGS 01490140 182 2010-09-21 12:48:00 EDT Yes AJT/CRL USGS -58.6 Fair NONE USGS 01490140 183 2010-09-21 13:00:00 EDT Yes AJT/CR USGS -127 Fair NONE USGS 01490140 184 2010-09-21 13:12:00 EDT Yes AJT/CRL USGS -150 Fair NONE USGS 01490140 185 2010-09-21 13:24:00 EDT Yes AJT/CRL USGS -205 Fair NONE USGS 01490140 186 2010-09-21 13:36:00 EDT Yes AJT/CRL USGS -254 Fair NONE