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Streamflow Measurements for the Nation


USGS 01490140 LITTLE BLACKWATER RIVER AT SEWARD, MD
Dorchester County, Maryland
Hydrologic Unit Code 02080110
Latitude  38°26'43", Longitude  76°05'02" NAD83
Drainage area 30.2  square miles
Gage datum 5.0 feet above NAVD88
Output formats
HTML table with channel data
HTML table without channel data
Tab-separated data with channel data
Tab-separated data without channel data
Graph of data
Reselect output format
Meas.
Number		   Date       Time Time
Datum		 Measurement
Used?		   Who Measuring
Agency		 Stream
flow
(ft3/s)		 Gage
Height
(ft)		 GH
Change
(ft)		 Meas.
Duration
(hr)		 Meas.
Rated		   Control Flow
Adjust.
Code 
1862010-09-21 13:36EDTYesAJT/CRLUSGS-254 Fair NONE
1852010-09-21 13:24EDTYesAJT/CRLUSGS-205 Fair NONE
1842010-09-21 13:12EDTYesAJT/CRLUSGS-150 Fair NONE
1832010-09-21 13:00EDTYesAJT/CRUSGS-127 Fair NONE
1822010-09-21 12:48EDTYesAJT/CRLUSGS-58.6 Fair NONE
1812010-09-21 12:36EDTYesAJT/CRLUSGS-37.0 Poor NONE
1802010-09-21 12:24EDTYesAJT/CRLUSGS-12.4 Poor NONE
1792010-09-21 12:12EDTYesAJT/CRLUSGS23.1 Poor NONE
1782010-09-21 12:00EDTYesAJT/CRLUSGS13.8 Poor NONE
1772010-09-21 11:48EDTYesAJT/CRLUSGS30.9 Poor NONE
1762010-09-21 11:24EDTYesAJT/CRLUSGS18.7 Poor NONE
1752010-09-21 11:12EDTYesAJT/CRLUSGS13.7 Poor NONE
1742010-09-21 11:00EDTYesAJT/CRLUSGS42.3 Fair NONE
1732010-09-21 10:48EDTYesAJT/CRLUSGS60.3 Fair NONE
1722010-09-21 10:36EDTYesAJT/CRLUSGS57.5 Fair NONE
1712010-09-21 10:24EDTYesAJT/CRLUSGS67.9 Fair NONE
1702010-09-21 10:21EDTYesAJT/CRLUSGS70.4 Fair NONE
1692010-09-21 10:00EDTYesAJT/CRLUSGS108 Fair NONE
1682010-09-21 09:48EDTYesAJT/CRLUSGS121 Fair NONE
1672010-09-21 09:36EDTYesAJT/CRLUSGS102 Fair NONE
1662010-09-21 09:24EDTYesAJT/CRLUSGS106 Fair NONE
1652010-09-21 09:12EDTYesAJT/CRLUSGS104 Fair NONE
1642010-09-21 09:00EDTYesAJT/CRLUSGS127 Fair NONE
1632010-09-21 08:48EDTYesAJT/CRLUSGS88.2 Fair NONE
1622010-09-21 08:36EDTYesAJT/CRLUSGS84.6 Fair NONE
1612010-09-21 08:24EDTYesAJT/CRLUSGS107 Fair NONE
1602010-04-14 12:42EDTYesAJT/CRLUSGS128 Fair NONE
1592010-04-14 12:36EDTYesAJT/CRLUSGS141 Fair NONE
1582010-04-14 12:30EDTYesAJT/CRLUSGS107 Fair NONE
1572010-04-14 12:24EDTYesAJT/CRLUSGS108 Fair NONE
1562010-04-14 12:18EDTYesAJT/CRLUSGS132 Fair NONE
1552010-04-14 12:12EDTYesAJT/CRLUSGS152 Fair NONE
1542010-04-14 12:06EDTYesAJT/CRLUSGS150 Fair NONE
1532010-04-14 12:00EDTYesAJT/CRLUSGS152 Fair NONE
1522010-04-14 11:54EDTYesAJT/CRLUSGS174 Fair NONE
1512010-04-14 11:48EDTYesAJT/CRLUSGS236 Fair NONE
1502010-04-14 11:42EDTYesAJT/CRLUSGS176 Fair NONE
1492010-04-14 11:36EDTYesAJT/CRLUSGS186 Fair NONE
1482010-04-14 11:30EDTYesAJT/CRLUSGS199 Fair NONE
1472010-04-14 11:24EDTYesAJT/CRLUSGS233 Fair NONE
1462010-04-14 11:18EDTYesAJT/CRLUSGS240 Fair NONE
1452010-04-14 11:12EDTYesAJT/CRLUSGS226 Fair NONE
1442010-04-14 11:06EDTYesAJT/CRLUSGS208 Fair NONE
1432010-04-14 11:00EDTYesAJT/CRLUSGS216 Fair NONE
1422010-04-14 10:54EDTYesAJT/CRLUSGS224 Fair NONE
1412010-04-14 10:48EDTYesAJT/CRLUSGS257 Fair NONE
1402010-04-14 10:42EDTYesAJT/CRLUSGS222 Fair NONE
1392010-04-14 10:37EDTYesAJT/CRLUSGS226 Fair NONE
1382010-04-14 10:30EDTYesAJT/CRLUSGS215 Fair NONE
1372010-04-14 10:24EDTYesAJT/CRLUSGS193 Fair NONE
1362009-10-14 12:59EDTYesAJT/CRLUSGS-3500.07 GoodUnspecifedNONE
1352009-10-14 12:47EDTYesAJT/CRLUSGS-3000.07 GoodUnspecifedNONE
1342009-10-14 12:35EDTYesAJTUSGS-2580.06 GoodUnspecifedNONE
1332009-10-14 12:23EDTYesAJT/CRLUSGS-2190.06 GoodUnspecifedNONE
1322009-10-14 12:11EDTYesAJT/CRLUSGS-1420.05 GoodUnspecifedNONE
1312009-10-14 11:59EDTYesAJT/CRLUSGS-80.50.05 GoodUnspecifedNONE
1302009-10-14 11:53EDTYesAJT/CRLUSGS-87.60.05 GoodUnspecifedNONE
1292009-10-14 11:47EDTYesAJT/CRLUSGS-56.40.04 GoodUnspecifedNONE
1282009-10-14 11:41EDTYesAJT/CRLUSGS-56.40.04 GoodUnspecifedNONE
1272009-10-14 11:35EDTYesAJT/CRLUSGS14.30.03 GoodUnspecifedNONE
1262009-10-14 11:29EDTYesAJT/CRLUSGS43.60.04 GoodUnspecifedNONE
1252009-10-14 11:23EDTYesAJT/CRLUSGS56.00.03 GoodUnspecifedNONE
1242009-10-14 11:17EDTYesAJT/CRLUSGS1070.03 GoodUnspecifedNONE
1232009-10-14 11:11EDTYesAJT/CRLUSGS1330.04 GoodUnspecifedNONE
1222009-10-14 11:05EDTYesAJT/CRLUSGS1490.02 GoodUnspecifedNONE
1212009-10-14 10:59EDTYesAJT/CRLUSGS1560.03 GoodUnspecifedNONE
1202009-08-13 14:41EDTYesAJT/CRLUSGS1540.41 GoodUnspecifedNONE
1192009-08-13 14:29EDTYesAJT/CRLUSGS1290.42 GoodUnspecifedNONE
1182009-08-13 14:17EDTYesAJT/CRLUSGS1070.42 GoodUnspecifedNONE
1172009-08-13 14:05EDTYesAJTUSGS78.10.43 GoodUnspecifedNONE
1162009-08-13 13:53EDTYesAJT/CRLUSGS52.20.43 GoodUnspecifedNONE
1152009-08-13 13:41EDTYesAJT/CRLUSGS-58.70.44 GoodUnspecifedNONE
1142009-08-13 13:29EDTYesAJT/CRLUSGS-75.50.44 GoodUnspecifedNONE
1132009-08-13 13:17EDTYesAJT/CRLUSGS-1310.44 GoodUnspecifedNONE
1122009-08-13 13:05EDTYesAJT/CRLUSGS-1660.44 GoodUnspecifedNONE
1112009-08-13 12:53EDTYesAJT/CRLUSGS-1610.44 GoodUnspecifedNONE
1102009-08-13 12:41EDTYesAJT/CRLUSGS-1580.43 GoodUnspecifedNONE
1092009-08-13 12:29EDTYesAJT/CRLUSGS-2120.44 GoodUnspecifedNONE
1082009-08-13 12:17EDTYesAJTUSGS-2580.44 GoodUnspecifedNONE
1072009-08-13 12:05EDTYesAJT/CRLUSGS-3170.43 GoodUnspecifedNONE
1062009-08-13 11:53EDTYesAJT/CRLUSGS-3630.43 GoodUnspecifedNONE
1052009-08-13 11:41EDTYesAJT/CRLUSGS-3620.43 GoodUnspecifedNONE
1042009-08-13 11:29EDTYesAJT/CRLUSGS-3430.43 GoodUnspecifedNONE
1032009-08-13 11:20EDTYesAJT/CRLUSGS-3630.42 GoodUnspecifedNONE
1022009-08-13 11:05EDTYesAJT/CRLUSGS-3420.42 GoodUnspecifedNONE
1012009-08-13 10:53EDTYesAJT/CRLUSGS-3230.41 GoodUnspecifedNONE
1002009-08-13 10:41EDTYesAJT/CRLUSGS-2750.41 GoodUnspecifedNONE
992009-08-13 10:29EDTYesAJT/CRLUSGS-1900.40 GoodUnspecifedNONE
982009-08-13 10:17EDTYesAJT/CRLUSGS-1750.40 GoodUnspecifedNONE
972009-08-13 10:03EDTYesAJT/CRLUSGS-1630.39 GoodUnspecifedNONE
962009-08-13 09:53EDTYesAJT/CRLUSGS-1690.39 GoodUnspecifedNONE
952009-08-13 09:42EDTYesAJT/CRLUSGS-1510.38 0.10GoodUnspecifedNONE
942008-06-10 17:42EDTYesAJTUSGS196 Fair NONE
932008-06-10 17:30EDTYesAJTUSGS169 Fair NONE
922008-06-10 17:18EDTYesAJTUSGS126 Fair NONE
912008-06-10 17:00EDTYesAJTUSGS179 Fair NONE
902008-06-10 16:48EDTYesAJTUSGS183 Fair NONE
892008-06-10 16:36EDTYesAJTUSGS126 Fair NONE
882008-06-10 16:27EDTYesAJTUSGS82.0 Fair NONE
872008-06-10 16:12EDTYesAJTUSGS133 Fair NONE
862008-06-10 15:59EDTYesAJTUSGS118 Fair NONE
852008-06-10 15:48EDTYesAJTUSGS131 Fair NONE
842008-06-10 15:36EDTYesAJTUSGS88.0 Fair NONE
832008-06-10 15:24EDTYesAJTUSGS-18.4 Fair NONE
822008-06-10 15:12EDTYesAJTUSGS-123 Fair NONE
812008-06-10 15:00EDTYesAJTUSGS-177 Fair NONE
802008-06-10 14:48EDTYesAJTUSGS-140 Fair NONE
792008-06-10 14:36EDTYesAJTUSGS-146 Fair NONE
782008-06-10 14:24EDTYesAJTUSGS-242 Fair NONE
772008-06-10 14:12EDTYesAJTUSGS-245 Fair NONE
722008-06-10 14:12EDTYesAJTUSGS-212 Fair NONE
762008-06-10 14:00EDTYesAJTUSGS-206 Fair NONE
752008-06-10 13:48EDTYesAJTUSGS-241 Fair NONE
742008-06-10 13:36EDTYesAJTUSGS-226 Fair NONE
732008-06-10 13:24EDTYesAJTUSGS-259 Fair NONE
712008-06-10 12:47EDTYesAJTUSGS-290 Fair NONE
702008-06-10 12:36EDTYesAJTUSGS-259 Fair NONE
692008-06-10 12:24EDTYesAJTUSGS-262 Fair NONE
682008-06-10 12:11EDTYesAJTUSGS-266 Fair NONE
672008-06-10 11:59EDTYesAJTUSGS-253 Fair NONE
662008-06-10 11:42EDTYesAJTUSGS-283 Fair NONE
652008-06-10 11:29EDTYesAJTUSGS-303 Fair NONE
642008-06-10 11:18EDTYesAJTUSGS-341 Fair NONE
632008-06-10 11:06EDTYesAJTUSGS-250 Fair NONE
622008-06-10 10:53EDTYesAJTUSGS-225 Fair NONE
612008-06-10 10:12EDTYesAJTUSGS-232 Fair NONE
602008-06-10 09:48EDTYesAJTUSGS-206 Fair NONE
592008-06-10 09:36EDTYesAJTUSGS-215 Fair NONE
582008-06-10 09:18EDTYesAJTUSGS-189 Fair NONE
572007-10-29 15:24EDTYesAJTUSGS1700.36 Fair NONE
562007-10-29 15:12EDTYesAJTUSGS1490.37 Fair NONE
552007-10-29 15:00EDTYesAJTUSGS91.90.37 Fair NONE
542007-10-29 14:48EDTYesAJTUSGS1220.36 Fair NONE
532007-10-29 14:36EDTYesAJTUSGS1550.37 Fair NONE
522007-10-29 14:24EDTYesAJTUSGS1650.37 Fair NONE
512007-10-29 14:12EDTYesAJTUSGS1570.38 Fair NONE
502007-10-29 14:00EDTYesAJTUSGS1560.38 Fair NONE
492007-10-29 13:48EDTYesAJTUSGS1890.39 Fair NONE
482007-10-29 13:36EDTYesAJTUSGS1920.39 Fair NONE
472007-10-29 13:24EDTYesAJTUSGS2350.39 Fair NONE
462007-10-29 13:12EDTYesAJTUSGS2110.39 Fair NONE
452007-10-29 13:00EDTYesAJTUSGS3090.40 Fair NONE
442007-10-29 12:48EDTYesAJTUSGS2850.41 Fair NONE
432007-10-29 12:12EDTYesAJTUSGS2910.41 Fair NONE
422007-10-29 12:00EDTYesAJTUSGS3220.42 Fair NONE
412007-10-29 11:48EDTYesAJTUSGS3790.42 Fair NONE
402007-10-29 11:36EDTYesAJTUSGS3070.42 Fair NONE
392007-10-29 11:24EDTYesAJTUSGS3290.43 Fair NONE
382007-10-29 11:12EDTYesAJTUSGS3410.43 Fair NONE
372007-10-29 11:00EDTYesAJTUSGS3370.44 Fair NONE
362007-10-29 10:48EDTYesAJTUSGS3840.45 Fair NONE
352007-10-29 10:36EDTYesAJTUSGS3530.45 Fair NONE
342007-10-29 10:24EDTYesAJTUSGS3780.45 Fair NONE
332007-10-29 10:12EDTYesAJTUSGS2930.45 Fair NONE
322007-10-29 10:00EDTYesAJTUSGS3140.45 Fair NONE
312007-03-22 15:50EDTYesAJTUSGS-24.3-0.42 Fair NONE
302007-03-22 15:40EDTYesAJTUSGS25.9-0.42 Fair NONE
292007-03-22 15:30EDTYesAJTUSGS33.2-0.41 Fair NONE
282007-03-22 15:20EDTYesAJTUSGS73.8-0.41 Fair NONE
272007-03-22 15:09EDTYesAJTUSGS44.7-0.42 Fair NONE
262007-03-22 14:59EDTYesAJTUSGS40.1-0.43 Fair NONE
252007-03-22 14:50EDTYesAJTUSGS41.5-0.43 Fair NONE
242007-03-22 14:39EDTYesAJTUSGS116-0.43 Fair NONE
232007-03-22 14:29EDTYesAJTUSGS144-0.43 Fair NONE
222007-03-22 14:19EDTYesAJTUSGS79.7-0.42 Fair NONE
212007-03-22 14:10EDTYesAJTUSGS12.4-0.43 Fair NONE
202007-03-22 13:59EDTYesAJTUSGS22.6-0.43 Fair NONE
192007-03-22 13:49EDTYesAJTUSGS-28.5-0.42 Fair NONE
182007-03-22 13:39EDTYesAJTUSGS-111-0.42 Fair NONE
172007-03-22 13:29EDTYesAJTUSGS-159-0.42 Fair NONE
162007-03-22 13:19EDTYesAJTUSGS-166-0.41 Fair NONE
152007-03-22 13:11EDTYesAJTUSGS-180-0.40 Fair NONE
142007-03-22 12:59EDTYesAJTUSGS-203-0.41 Fair NONE
132007-03-22 12:49EDTYesAJTUSGS-245-0.41 Fair NONE
122007-03-22 12:39EDTYesAJTUSGS-232-0.41 Fair NONE
112007-03-22 12:29EDTYesAJTUSGS-228-0.41 Fair NONE
102007-03-22 12:20EDTYesAJTUSGS-240-0.41 Fair NONE
92007-03-22 12:05EDTYesAJTUSGS-246-0.41 Fair NONE
82007-03-22 11:54EDTYesAJTUSGS-251-0.41 Fair NONE
72007-03-22 11:34EDTYesAJTUSGS-262-0.41 Fair NONE
62007-03-22 11:24EDTYesAJTUSGS-281-0.41 Fair NONE
52007-03-22 11:14EDTYesAJTUSGS-313-0.41 Fair NONE
42007-03-22 11:04EDTYesAJTUSGS-316-0.42 Fair NONE
32007-03-22 10:54EDTYesAJTUSGS-315-0.42 Fair NONE
22007-03-22 10:47EDTYesAJTUSGS-313-0.43 Fair NONE
12007-03-22 10:42EDTYesAJTUSGS-275-0.43 Fair NONE
4A2007-03-12 11:08EDTYesAJTUSGS-2121.51 Fair NONE
3A2007-03-12 11:01EDTYesAJTUSGS-2041.50 Fair NONE
2A2007-03-12 10:54EDTYesAJTUSGS-1761.50 Good NONE
1A2007-03-12 10:47EDTYesAJTUSGS-1891.49 Fair NONE
1Z2006-10-25 14:11EDTYesAJT/MBUSGS289 FairClearNONE