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Streamflow Measurements for the Nation

! Streamflow measurement pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline and new pages.

USGS 03077990 CASSELMAN RIVER AT I-68 AT GRANTSVILLE, MD
Garrett County, Maryland
Hydrologic Unit Code 05020006
Latitude  39°41'44.3", Longitude  79°08'23.5" NAD83
Drainage area 62.9  square miles
Gage datum 2,113 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)
0152023-11-16 12:54:58ESTYesLJJ/LEKUSGS27.5 Fair NONE1mainWADEQSCMMVADV27.539.731.60.87FIRMBLDRUNEVSTDYUNEVUNKNUPST15.00
0142023-11-06 11:12:45ESTYesljjUSGS38.5 Fair NONE1mainWADEQSCMMVADV38.542.137.01.04FIRMBLDRUNEVSTDYUNEVUNKNUPST15.00
0132023-10-06 14:21:30EDTYesljj/cdwUSGS14.8 Fair NONE1MAINWADEQSCMMVADV14.838.023.70.62FIRMBLDRUNEVSTDYUNEVUNKNUPST15.00
0122023-09-01 14:01:18EDTYesLJ/LKUSGS6.76 Poor NONE1MainWADEQSCMMVADV6.7636.216.60.41FIRMBLDRUNEVPULSUNEVUNKNUPST15.00
0112023-07-25 11:18EDTYesLJ/CWUSGS9.57 Poor NONE1MainWADEQSCMMVADV9.5737.621.30.45FIRMBLDRUNEVPULSUNEVUNKNUPST15.00
0102022-11-08 10:57:07ESTYesLJJ/LEKUSGS12.00.85 Fair NONE1MainWADEQSCMMVADV12.038.421.80.55FIRMBLDRUNEVPULSUNEVUNKNUPST15.00
0092022-10-24 10:02EDTYesLJJ/CDWUSGS13.30.84 Fair NONE1mainWADEQSCMMVADV13.337.723.00.58FIRMBLDRUNEVPULSUNEVUNKNUPST15.00
0082022-09-30 11:20:30EDTYesCDW/ELBUSGS11.40.80 Fair NONE1MainWADEQSCMMVADV11.437.321.90.52FIRMBLDRUNEVSTDYUNEVUNKNUPST5.00
0072022-08-18 12:36EDTYesLJJ/CDWUSGS11.00.76 Fair NONE1MainWADEQSCMMVADV11.036.520.50.53FIRMBLDRUNEVPULSUNEVUNKNUPST15.00
0062022-08-04 13:13:11EDTYesLJJ/ELBUSGS18.00.900.000.50Fair NONE1Cass River at I68 bridgeWADEQSCMMVADV18.039.027.10.67FIRMBLDRUNEVSTDYUNEVUNKNUPST30.00
52021-11-17 11:51ESTYesAJG/CDWUnspe37.31.10 Fair NONE15WADEQSCMMVADV37.342.437.31.00FIRMCBLSEVENSTDYUNEVUNSPUNSP
42021-10-28 10:02:30EDTYesAJG/CDWUnspe25.70.98 Fair NONE14WADEQSCMMVADV25.739.028.00.92FIRMCBLSEVENSTDYUNEVUNSPUNSP
32021-10-15 13:42:06EDTYesAJG/ELBUnspe9.720.77 Fair NONE13WADEQSCMMVADV9.7236.719.60.50FIRMCBLSUNEVSTDYUNEVUNSPUNSP
22021-09-27 12:14:56EDTYesAJG/ELBUnspe20.60.90 Fair NONE12WADEQSCMMVADV20.638.825.20.82FIRMCBLSUNEVSTDYUNEVUNSPUNSP
12021-09-15 12:01EDTYesAJG/IDBUnspe12.50.82 Poor NONE11WADEQSCMMVADV12.540.924.00.52FIRMCBLSEVENSTDYUNEVUNSPUNSP