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Streamflow Measurements for the Nation


USGS 01578310 SUSQUEHANNA RIVER AT CONOWINGO, MD
Harford County, Maryland
Hydrologic Unit Code 02050306
Latitude  39°39'28.4", Longitude  76°10'28.0" NAD83
Drainage area 27,100  square miles
Gage datum 4.16 feet above NAVD88
Output formats
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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 		 Channel
Number		 Channel
Name		 Meas.
type 		 Stream
flow
method 		 Velocity
method 		 Channel
flow
(ft3/s)		 Channel
width
(ft)		 Channel
area
(ft2)		 Channel
vel.
(ft/s)		 Channel
stability 		 Channel
material 		 Channel
evenness 		 Long.
vel.
desc. 		 Horz.
vel.
desc. 		 Vert.
vel.
desc. 		 Channel
loc.
code 		 Channel
loc.
dist.(ft)
632024-04-05 13:26:32EDTYesLT/JT/AR/BMUSGS29400022.94-0.020.32Poor BYPS1MainMBOTQADCPVADCP2960003790677004.38FIRMBLDRUNEVSTDYEVENSTNDDNST26000.00
622023-12-20 13:37:13ESTYesNG/SB/JTUSGS19100020.11-0.030.72PoorClearTIDE1AMBOTQADCPVADCP1900003980602003.15SOFTsiltUNEVSTDYUNEVUNKNDNST26000.00
612023-11-06 11:56:35ESTYesNCG/JTT/LCTUSGS2220012.280.000.60PoorClearTIDE1AMBOTQADCPVADCP216003440421000.51SOFTsiltUNEVSTDYUNEVUNKNDNST25400.00
602023-05-26 14:13:05EDTYesTRB/NCGUSGS1260010.700.000.95FairClearNONE2RightMBOTQADCPVADCP956072948101.98FIRMBLDRUNEVSTDYUNEVSTNDDNST1200.00
602023-05-26 14:13:05EDTYesTRB/NCGUSGS1260010.700.000.95FairClearNONE1LeftMBOTQADCPVADCP305059721301.43FIRMBLDRUNEVSTDYUNEVSTNDDNST1200.00
592022-11-07 11:33:13ESTYesTB/NGUSGS62809.560.001.75PoorClearNONE2LeftMBOTQADCPVADCP122059116300.75FIRMBLDRUNEVSTDYUNEVSTNDDNST5000.00
592022-11-07 11:33:13ESTYesTB/NGUSGS62809.560.001.75PoorClearNONE1RightMBOTQADCPVADCP506071040001.26FIRMBLDRUNEVSTDYUNEVSTNDDNST500.00
582022-07-27 11:37:56EDTYesTRB/NCGUSGS58609.500.000.30PoorClearNONE2Right side of IslandMBOTQADCPVADCP467073241501.13FIRMLDGEUNEVSTDYEVENSTNDDNST2000.00
582022-07-27 11:37:56EDTYesTRB/NCGUSGS58609.500.000.30PoorClearNONE1Left side of IslandMBOTQADCPVADCP119062216100.74FIRMLDGEUNEVSTDYEVENSTNDDNST2000.00
572022-05-10 11:30:55EDTYesAR/AB/JTUSGS13500017.280.010.40PoorClearBYPS1aMBOTQADCPVADCP1360003740601002.26SOFTsiltEVENSTDYEVENSTNDDNST26400.00
562022-01-25 10:39:56ESTYesTRB/JTTUSGS1210010.71-0.331.00PoorClearTIDE1mainMBOTQADCPVADCP92203700515000.18FIRMLDGEUNEVSTDYUNEVSTNDDNST13500.00
552021-09-03 13:09:48EDTYesAMR/TRBUSGS23300021.36 FairClearSTOR1aMBOTQADCPVADCP2340003790665003.51SOFTsiltEVENSTDYEVENSTNDDNST26400.00
542021-06-28 11:30:15EDTYesTRB/AMRUSGS56109.500.001.00PoorClearNONE2rightMBOTQADCPVADCP451071039901.13FIRMBLDRUNEVSTDYEVENSTNDDNST300.00
542021-06-28 11:30:15EDTYesTRB/AMRUSGS56109.500.001.00PoorClearNONE1leftMBOTQADCPVADCP109053413900.79FIRMBLDRUNEVSTDYEVENSTNDDNST300.00
532021-05-06 15:26:27EDTYesTRB/BDMUSGS7760015.880.020.57PoorClearTIDE1MainMBOTQADCPVADCP788003810501001.57FIRMLDGEUNEVSTDYUNEVUNKNDNST25000.00
522020-10-27 10:34:13EDTYesASB/TRBUSGS37409.050.000.83PoorClearNONE2LeftMBOTQADCPVADCP68149911500.59FIRMBLDRUNEVSTDYUNEVSTNDUNSP
522020-10-27 10:34:13EDTYesASB/TRBUSGS37409.050.000.83PoorClearNONE1RightMBOTQADCPVADCP306077737400.82FIRMBLDRUNEVSTDYUNEVSTNDUNSP
512020-07-08 09:04:12EDTYesTRB/ASBUSGS61609.460.001.33Poor NONE2LeftMBOTQADCPVADCP115063816100.71FIRMBLDRUNEVSTDYUNEVSTNDUNSP
512020-07-08 09:04:12EDTYesTRB/ASBUSGS61609.460.001.33Poor NONE1RightMBOTQADCPVADCP501074846101.09FIRMBLDRUNEVSTDYUNEVSTNDUNSP
502020-05-03 14:00EDTYesNJUSGS20400021.37-0.020.48Poor BYPS1MainMBOTQADCPVADCP2050003280541003.79UNSPUNSPUNSPUNSPUNSPUNSPUNSP
492020-01-15 13:14:53ESTYesASB/MNP/JJKUSGS6650014.820.020.42Poor TIDE1MainMBOTQADCPVADCP649003470532001.22FIRMBLDRUNEVSTDYEVENSTNDDNST37000.00
482019-11-04 14:57:23ESTYesNJUSGS10900017.440.000.50Poor BYPS1mainMBOTQADCPVADCP1090003500549001.99UNSPUNSPUNSPUNSPUNSPUNSPUNSP
472019-10-24 10:19:49EDTNo
462019-07-29 09:28:30EDTYesMCG/SMMUSGS59209.48 FairClearNONE22MBOTQADCPVADCP131078219600.67FIRMBLDRUNEVSTDYEVENSTNDDNST500.00
462019-07-29 09:28:30EDTYesMCG/SMMUSGS59209.48 FairClearNONE11MBOTQADCPVADCP461075247000.98FIRMBLDREVENSTDYEVENSTNDDNST500.00
452018-11-16 12:17ESTYesMCG/SMMUSGS11900017.20 Poor STOR1mainMBOTQADCPVADCP1200003440466002.58SOFTsiltEVENSTDYEVENSTNDDNST25000.00
442018-07-27 13:05:48EDTYesNJ USGSUSGS29300024.36 Poor NONE1aMBOTQADCPVADCP29300041901050002.80UNSPUNSPUNSPUNSPUNSPUNSPUNSP
432018-07-26 15:22:57EDTYesNJ USGSUSGS36500025.87 Poor NONE1aMBOTQADCPVADCP36500041601070003.42UNSPUNSPUNSPUNSPUNSPUNSPUNSP
422018-06-25 15:14:45EDTYesJEK/BDMUSGS4840014.380.000.56PoorClearBYPS1MainMBOTQADCPVADCP492003320430001.14FIRMBLDREVENSTDYEVENSTNDDNST26400.00
412018-06-15 15:07:36EDTNo
402018-06-15 13:22:36EDTNo
392017-12-18 15:14ESTYesJEK/BDMUSGS42109.120.00 Fair NONE2Second channelMBOTQADCPVADCP343071039000.88FIRMBLDRUNEVSTDYUNEVSTNDDNST1000.00
392017-12-18 15:14ESTYesJEK/BDMUSGS42109.120.00 Fair NONE1aMBOTQADCPVADCP77853512700.61FIRMBLDREVENSTDYEVENUNKNDNST350.00
382017-09-15 13:36:31EDTYesJEK/BDMUSGS39109.010.001.75FairClearNONE2BCWAYQADCPVADCP70152712300.57FIRMBLDRUNEVSTDYEVENNSTDDNST1000.00
382017-09-15 13:36:31EDTYesJEK/BDMUSGS39109.010.001.75FairClearNONE1ACWAYQADCPVADCP321070236800.87FIRMBLDRUNEVSTDYEVENNSTDDNST1000.00
372017-08-04 09:42:45EDTYesPBPGKMUSGS58109.520.001.00PoorClearNONE2bMBOTQADCPVADCP117053116100.72FIRMBLDRUNEVSTDYEVENUNKNDNST1000.00
372017-08-04 09:42:45EDTYesPBPGKMUSGS58109.520.001.00PoorClearNONE1AMBOTQADCPVADCP465076551000.91FIRMBLDRUNEVSTDYEVENUNKNDNST1000.00
362017-04-09 09:47:30EDTYesNJ USGSUSGS15700019.220.030.50Fair OTHR1MainMBOTQADCPVADCP1580003480493003.21SOFTsiltEVENunknEVENSTNDDNST25500.00
352017-04-08 16:51EDTYesNJ USGSUSGS16900019.73-0.010.00Fair OTHR1MainMBOTQADCPVADCP1690003500435003.89SOFTsiltEVENunknEVENSTNDDNST25500.00
342017-03-30 11:48:30EDTYesARMGPBBMUSGS10200016.98-0.020.30Poor OTHR1MainMBOTQADCPVADCP1030003420487002.11SOFTsiltEVENunknEVENSTNDDNST6000.00
332017-03-29 14:05EDTYesMGPBJKUSGS8710016.08-0.010.30Fair OTHR1MainMBOTQADCPVADCP891003420444002.01SOFTsiltEVENunknEVENSTNDDNST6000.00
322017-01-18 09:52:27ESTYesPJB/ELBUSGS7580015.58-0.010.60Fair TIDE1mainMBOTQADCPVADCP757003370412001.84FIRMCBLSUNEVunknUNSPSTNDDNST30000.00
312016-10-19 09:42:07EDTYesBDM/SJQUSGS37809.050.001.30PoorClearNONE2leftMBOTQADCPVADCP67753713700.50FIRMLDGEUNEVunknEVENSTNDDNST2400.00
312016-10-19 09:42:07EDTYesBDM/SJQUSGS37809.050.001.30PoorClearNONE1rightMBOTQADCPVADCP310073036200.86FIRMLDGEUNEVunknEVENNSTDDNST2000.00
302016-09-20 08:46EDTYesPJB/SJQUSGS40108.970.000.90FairClearNONE2leftMBOTQADCPVADCP70652712900.55FIRMLDGEUNEVunknEVENSTNDDNST1000.00
302016-09-20 08:46EDTYesPJB/SJQUSGS40108.970.000.90FairClearNONE1rightMBOTQADCPVADCP331074039900.83FIRMBLDRUNEVunknEVENSTNDDNST1000.00
292016-08-26 09:13:11EDTYesPJB/SJQUSGS58809.460.000.50PoorClearNONE2RightMBOTQADCPVADCP477074141501.15FIRMBLDRUNEVunknEVENSTNDDNST2300.00
292016-08-26 09:13:11EDTYesPJB/SJQUSGS58809.460.000.50PoorClearNONE1LeftMBOTQADCPVADCP111050114000.79FIRMBLDRUNEVunknEVENSTNDUNSP
282016-06-15 08:29:11EDTYesELB/PLGUSGS57609.510.000.80PoorClearNONE2leftMBOTQADCPVADCP129054416100.80FIRMBLDRUNEVunknUNSPUNKNUNSP
282016-06-15 08:29:11EDTYesELB/PLGUSGS57609.510.000.80PoorClearNONE1rightMBOTQADCPVADCP447073647900.93FIRMBLDRUNEVunknEVENUNKNDNST600.00
272016-02-29 15:11:42ESTYesJJKUSGS14000018.19 PoorClearSTOR1aMBOTQADCPVADCP1450003500510002.84UNSPUNSPUNSPunknUNSPUNSPDNST25100.00
262015-09-18 10:41:34EDTYesAG/PG/PBUSGS39608.950.001.50PoorClearNONE2Right side of streamMBOTQADCPVADCP328069134400.95FIRMLDGEUNEVunknUNEVUNKNDNST300.00
262015-09-18 10:41:34EDTYesAG/PG/PBUSGS39608.950.001.50PoorClearNONE1Left side of islandMBOTQADCPVADCP67951812800.53FIRMLDGEUNEVunknUNEVUNKNDNST300.00
252015-08-04 09:10:11EDTYesAPG/PLGUSGS65109.550.001.30Poor NONE2right sideMBOTQADCPVADCP509081954800.93FIRMLDGEUNEVunknUNEVNSTDDNST1500.00
252015-08-04 09:10:11EDTYesAPG/PLGUSGS65109.550.001.30Poor NONE1left sideMBOTQADCPVADCP142055616600.86FIRMLDGEUNEVunknEVENUNKNDNST2000.00
242015-04-23 13:40:29EDTYesEBKWSPUSGS13100018.23-0.060.30Fair BYPS11MBOTQADCPVADCP1320003510295004.45UNSPUNSPUNSPunknUNEVSTNDDNST15840.00
232015-04-23 11:53:46EDTYesEBKWSPUSGS13200018.24 Fair TIDE11MBOTQADCPVADCP1310003420459002.86UNSPUNSPUNSPunknEVENSTNDDNST260000.00
222015-04-07 11:27:49EDTYesEHMUSGS13300018.26-0.010.50FairClearTIDE11MBOTQADCPVADCP1320003520521002.54UNSPUNSPUNSPunknUNSPUNSPUNSP
212015-03-13 13:33:05EDTYesEBAGspUSGS7890015.960.010.60Fair STOR11MBOTQADCPVADCP786003430450001.75FIRMBLDRUNEVunknEVENSTNDDNST26000.00
202015-01-23 10:47:16ESTYesEBJKSPUSGS70109.78-1.360.80Poor STOR11MBOTQADCPVADCP186003470436000.43FIRMBLDRUNEVunknEVENUNSPDNST26000.00
182014-07-30 09:03:59EDTYesagebspUSGS53209.49-0.010.50PoorClearOTHR11MBOTQADCPVADCP24603580430000.06FIRMBLDRUNEVunknUNEVNSTDDNST26000.00
192014-07-30 09:03:54EDTYesagebspUSGS55109.49-0.010.50PoorClearOTHR11MBOTQADCPVADCP26503590432000.06FIRMBLDRUNEVunknEVENNSTDDNST26000.00
172011-09-12 11:08EDTYesAT/MB/CLUSGS24500021.84-0.011.40Good OTHR1Imported Channel 1MBOTQADCPVADCP2470004200850002.91FIRMBLDREVENunknEVENSTNDDNST10000.00
162009-09-16 11:32:30EDTYesJJK/KEBUSGS39109.020.000.90PoorClearNONE1Imported Channel 1OTHRother 3910 FIRMBLDRUNEVunknUNEVUNSPDNST17700.00
152000-03-02 11:02ESTYesJSG/JJMUSGS20600021.120.001.40GoodClearNONE1Imported Channel 1BOATunspeunkno206000 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
141998-12-12 11:50ESTYesRWJ/RHPUSGS7817.51-0.011.70PoorClearNONE1Imported Channel 1WADEunspeunkno78157010200.76UNSPUNSPUNSPunknUNSPUNSPUNSP
131994-03-28 16:00ESTYesGLZ/DPMUSGS29900024.550.000.80GoodUnspecifedNONE1Imported Channel 1BOATunspeunkno299000 0.00UNSPUNSPUNSPunknUNSPUNSPUNSP
121979-11-03 08:00ESTYesRWJ/BMHUSGS10507.530.022.30FairClearNONE1Imported Channel 1WADEunspeunkno105049010600.99UNSPUNSPUNSPunknUNSPUNSPUNSP
111978-08-22 08:00EDTYesDFG/JFNUSGS13007.90-0.113.00GoodClearNONE1Imported Channel 1WADEunspeunkno130052210201.28UNSPUNSPUNSPunknUNSPUNSPUNSP
101978-08-06 11:25EDTYesJFH/BMHUSGS33308.870.001.70FairClearNONE1Imported Channel 1WADEunspeunkno3330255046500.72UNSPUNSPUNSPunknUNSPUNSPUNSP
91978-08-05 10:00EDTYesRWJ/JFHUSGS67109.620.022.00FairClearNONE1Imported Channel 1WADEunspeunkno6710266066901.00UNSPUNSPUNSPunknUNSPUNSPUNSP
81978-08-04 10:00EDTYesJFH/BWJUSGS1240010.580.022.30GoodClearNONE1Imported Channel 1WADEunspeunkno12400274087301.42UNSPUNSPUNSPunknUNSPUNSPUNSP
71978-08-03 10:00EDTYesJFH/JLFUSGS1760011.350.034.90GoodClearNONE1Imported Channel 1BOATunspeunkno176002750102001.73UNSPUNSPUNSPunknUNSPUNSPUNSP
61972-06-24 12:45EDTYesJFH/RJUSGS113000036.76-0.064.00GoodClearNONE1Channel 1UNSPQSCMMVPAA1130000 UNSPUNSPUNSPunknUNSPUNSPUNSP
51970-05-01 11:30EDTYesBMH/JFKUSGS7600016.460.203.70GoodClearNONE1Imported Channel 1CRANunspeunkno760004200761001.07UNSPUNSPUNSPunknUNSPUNSPUNSP
41970-04-08 10:25ESTYesBMH/JFKUSGS17000020.45-0.633.10GoodClearNONE1Imported Channel 1CRANunspeunkno1700004200860002.08UNSPUNSPUNSPunknUNSPUNSPUNSP
31970-04-06 11:00ESTYesJFK/BHGUSGS22500022.10-0.802.80GoodClearNONE1Imported Channel 1CRANunspeunkno2250004190856002.78UNSPUNSPUNSPunknUNSPUNSPUNSP
21970-04-04 15:15ESTYesRHS/KRTUSGS35200024.90-0.042.80GoodUnspecifedNONE1Imported Channel 1CRANunspeunkno3520004230900003.93UNSPUNSPUNSPunknUNSPUNSPUNSP
11968-08-04 16:10EDTYesBMH/WBSUSGS7477.25-0.021.60GoodClearNONE1Imported Channel 1WADEunspeunkno7471995031.48UNSPUNSPUNSPunknUNSPUNSPUNSP