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Streamflow Measurements for Pennsylvania

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[!] Over the next year, the USGS Pennsylvania Water Science Center will be updating the geodetic vertical elevation (gage datum) for many locations. Click HERE for additional information including a current list of streamgages with upcoming datum changes. This update in gage datum does not affect the location of the streamgage, nor the observed local gage height or discharge recorded at the streamgage.



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)
642024-07-05 11:25EDTYesNG/AR/JKUSGS62709.490.000.83FairClearNONE2RightMBOTQADCPVADCP494069540401.22FIRMBLDRUNEVSTDYUNEVSTNDDNST2750.00
642024-07-05 11:25EDTYesNG/AR/JKUSGS62709.490.000.83FairClearNONE1LeftMBOTQADCPVADCP133062916100.83FIRMBLDRUNEVSTDYUNEVSTNDDNST2750.00
632024-04-05 13:26:02EDTYesLT/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 11:37:06EDTYesTRB/NCGUSGS58609.500.000.30PoorClearNONE2Right side of IslandMBOTQADCPVADCP467073241501.13FIRMLDGEUNEVSTDYEVENSTNDDNST2000.00
582022-07-27 11:37:06EDTYesTRB/NCGUSGS58609.500.000.30PoorClearNONE1Left side of IslandMBOTQADCPVADCP119062216100.74FIRMLDGEUNEVSTDYEVENSTNDDNST2000.00
572022-05-10 11:30:05EDTYesAR/AB/JTUSGS13500017.280.010.40PoorClearBYPS1aMBOTQADCPVADCP1360003740601002.26SOFTsiltEVENSTDYEVENSTNDDNST26400.00
562022-01-25 10:39:56ESTYesTRB/JTTUSGS1210010.71-0.331.00PoorClearTIDE1mainMBOTQADCPVADCP92203700515000.18FIRMLDGEUNEVSTDYUNEVSTNDDNST13500.00
552021-09-03 13:09:08EDTYesAMR/TRBUSGS23300021.36 FairClearSTOR1aMBOTQADCPVADCP2340003790665003.51SOFTsiltEVENSTDYEVENSTNDDNST26400.00
542021-06-28 11:30:05EDTYesTRB/AMRUSGS56109.500.001.00PoorClearNONE2rightMBOTQADCPVADCP451071039901.13FIRMBLDRUNEVSTDYEVENSTNDDNST300.00
542021-06-28 11:30:05EDTYesTRB/AMRUSGS56109.500.001.00PoorClearNONE1leftMBOTQADCPVADCP109053413900.79FIRMBLDRUNEVSTDYEVENSTNDDNST300.00
532021-05-06 15:26:07EDTYesTRB/BDMUSGS7760015.880.020.57PoorClearTIDE1MainMBOTQADCPVADCP788003810501001.57FIRMLDGEUNEVSTDYUNEVUNKNDNST25000.00
522020-10-27 10:34:03EDTYesASB/TRBUSGS37409.050.000.83PoorClearNONE2LeftMBOTQADCPVADCP68149911500.59FIRMBLDRUNEVSTDYUNEVSTNDUNSP
522020-10-27 10:34:03EDTYesASB/TRBUSGS37409.050.000.83PoorClearNONE1RightMBOTQADCPVADCP306077737400.82FIRMBLDRUNEVSTDYUNEVSTNDUNSP
512020-07-08 09:04:02EDTYesTRB/ASBUSGS61609.460.001.33Poor NONE2LeftMBOTQADCPVADCP115063816100.71FIRMBLDRUNEVSTDYUNEVSTNDUNSP
512020-07-08 09:04:02EDTYesTRB/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 10:19:09EDTNo
462019-07-29 09:28EDTYesMCG/SMMUSGS59209.48 FairClearNONE22MBOTQADCPVADCP131078219600.67FIRMBLDRUNEVSTDYEVENSTNDDNST500.00
462019-07-29 09:28EDTYesMCG/SMMUSGS59209.48 FairClearNONE11MBOTQADCPVADCP461075247000.98FIRMBLDREVENSTDYEVENSTNDDNST500.00
452018-11-16 12:17ESTYesMCG/SMMUSGS11900017.20 Poor STOR1mainMBOTQADCPVADCP1200003440466002.58SOFTsiltEVENSTDYEVENSTNDDNST25000.00
442018-07-27 13:05:08EDTYesNJ USGSUSGS29300024.36 Poor NONE1aMBOTQADCPVADCP29300041901050002.80UNSPUNSPUNSPUNSPUNSPUNSPUNSP
432018-07-26 15:22:07EDTYesNJ USGSUSGS36500025.87 Poor NONE1aMBOTQADCPVADCP36500041601070003.42UNSPUNSPUNSPUNSPUNSPUNSPUNSP
422018-06-25 15:14:05EDTYesJEK/BDMUSGS4840014.380.000.56PoorClearBYPS1MainMBOTQADCPVADCP492003320430001.14FIRMBLDREVENSTDYEVENSTNDDNST26400.00
412018-06-15 15:07:06EDTNo
402018-06-15 13:22:06EDTNo
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 13:36:01EDTYesJEK/BDMUSGS39109.010.001.75FairClearNONE2BCWAYQADCPVADCP70152712300.57FIRMBLDRUNEVSTDYEVENNSTDDNST1000.00
382017-09-15 13:36:01EDTYesJEK/BDMUSGS39109.010.001.75FairClearNONE1ACWAYQADCPVADCP321070236800.87FIRMBLDRUNEVSTDYEVENNSTDDNST1000.00
372017-08-04 09:42:05EDTYesPBPGKMUSGS58109.520.001.00PoorClearNONE2bMBOTQADCPVADCP117053116100.72FIRMBLDRUNEVSTDYEVENUNKNDNST1000.00
372017-08-04 09:42:05EDTYesPBPGKMUSGS58109.520.001.00PoorClearNONE1AMBOTQADCPVADCP465076551000.91FIRMBLDRUNEVSTDYEVENUNKNDNST1000.00
362017-04-09 09:47EDTYesNJ USGSUSGS15700019.220.030.50Fair OTHR1MainMBOTQADCPVADCP1580003480493003.21SOFTsiltEVENunknEVENSTNDDNST25500.00
352017-04-08 16:51EDTYesNJ USGSUSGS16900019.73-0.010.00Fair OTHR1MainMBOTQADCPVADCP1690003500435003.89SOFTsiltEVENunknEVENSTNDDNST25500.00
342017-03-30 11:48EDTYesARMGPBBMUSGS10200016.98-0.020.30Poor 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 09:13:01EDTYesPJB/SJQUSGS58809.460.000.50PoorClearNONE2RightMBOTQADCPVADCP477074141501.15FIRMBLDRUNEVunknEVENSTNDDNST2300.00
292016-08-26 09:13:01EDTYesPJB/SJQUSGS58809.460.000.50PoorClearNONE1LeftMBOTQADCPVADCP111050114000.79FIRMBLDRUNEVunknEVENSTNDUNSP
282016-06-15 08:29:01EDTYesELB/PLGUSGS57609.510.000.80PoorClearNONE2leftMBOTQADCPVADCP129054416100.80FIRMBLDRUNEVunknUNSPUNKNUNSP
282016-06-15 08:29:01EDTYesELB/PLGUSGS57609.510.000.80PoorClearNONE1rightMBOTQADCPVADCP447073647900.93FIRMBLDRUNEVunknEVENUNKNDNST600.00
272016-02-29 15:11:42ESTYesJJKUSGS14000018.19 PoorClearSTOR1aMBOTQADCPVADCP1450003500510002.84UNSPUNSPUNSPunknUNSPUNSPDNST25100.00
262015-09-18 10:41:04EDTYesAG/PG/PBUSGS39608.950.001.50PoorClearNONE2Right side of streamMBOTQADCPVADCP328069134400.95FIRMLDGEUNEVunknUNEVUNKNDNST300.00
262015-09-18 10:41:04EDTYesAG/PG/PBUSGS39608.950.001.50PoorClearNONE1Left side of islandMBOTQADCPVADCP67951812800.53FIRMLDGEUNEVunknUNEVUNKNDNST300.00
252015-08-04 09:10:01EDTYesAPG/PLGUSGS65109.550.001.30Poor NONE2right sideMBOTQADCPVADCP509081954800.93FIRMLDGEUNEVunknUNEVNSTDDNST1500.00
252015-08-04 09:10:01EDTYesAPG/PLGUSGS65109.550.001.30Poor NONE1left sideMBOTQADCPVADCP142055616600.86FIRMLDGEUNEVunknEVENUNKNDNST2000.00
242015-04-23 13:40:09EDTYesEBKWSPUSGS13100018.23-0.060.30Fair BYPS11MBOTQADCPVADCP1320003510295004.45UNSPUNSPUNSPunknUNEVSTNDDNST15840.00
232015-04-23 11:53:06EDTYesEBKWSPUSGS13200018.24 Fair TIDE11MBOTQADCPVADCP1310003420459002.86UNSPUNSPUNSPunknEVENSTNDDNST260000.00
222015-04-07 11:27:09EDTYesEHMUSGS13300018.26-0.010.50FairClearTIDE11MBOTQADCPVADCP1320003520521002.54UNSPUNSPUNSPunknUNSPUNSPUNSP
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 09:03:09EDTYesagebspUSGS53209.49-0.010.50PoorClearOTHR11MBOTQADCPVADCP24603580430000.06FIRMBLDRUNEVunknUNEVNSTDDNST26000.00
192014-07-30 09:03:04EDTYesagebspUSGS55109.49-0.010.50PoorClearOTHR11MBOTQADCPVADCP26503590432000.06FIRMBLDRUNEVunknEVENNSTDDNST26000.00
172011-09-12 11:08EDTYesAT/MB/CLUSGS24500021.84-0.011.40Good OTHR1Imported Channel 1MBOTQADCPVADCP2470004200850002.91FIRMBLDREVENunknEVENSTNDDNST10000.00
162009-09-16 11:32EDTYesJJK/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 15:10ESTYesBMH/WBSUSGS7477.25-0.021.60GoodClearNONE1Imported Channel 1WADEunspeunkno7471995031.48UNSPUNSPUNSPunknUNSPUNSPUNSP