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United States Rivers

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River count114
River miles2,538

Large Bodies of Water


Click on a heading to sort by its values. Click again to sort in the opposite direction.

Name Length
Anacostia River1.927
Anacostia River - Northeast Branch3.23
Anacostia River - Northwest Branch22.222
Antietam Creek41.558
Back Creek6.36
Back River16.216
Barren Creek15.916
Bear Creek1717
Beaver Creek16.917
Beaverdam Run10.825
Bennett Creek17.828
Big Annemessex River22.222
Big Elk Creek13.213
Big Pipe Creek31.732
Blackwater River26.943
Broad Creek17.918
Bush Creek15.315
Bush River12.532
Casselman River8.831
Casselman River - North Branch13.413
Casselman River - South Branch8.48
Catoctin Creek30.130
Chester River47.848
Chicamacomico River17.718
Choptank River15.151
Christina River3.13
Conewago Creek - South Branch2.32
Conococheague Creek2223
Conowingo Creek4.55
Deep Creek15.115
Deer Creek (Susquehanna River tributary)46.446
Dividing Creek19.119
Double Pipe Creek1.658
Elk River18.653
Evitts Creek11.211
Fifteenmile Creek1414
Georges Creek17.618
Great Seneca Creek21.522
Gunpowder Falls54.5121
Gunpowder River13.5134
Gwynns Falls26.627
James Branch2.22
Jones Falls21.221
Licking Creek0.61
Lick Run (Potomac River tributary)9.710
Little Bennett Creek10.410
Little Blackwater River1616
Little Choptank River15.215
Little Conococheague Creek11.211
Little Elk Creek14.515
Little Falls15.716
Little Gunpowder Falls25.125
Little Monie Creek14.615
Little Monocacy River10.210
Little North East Creek12.513
Little Patuxent River37.862
Little Pipe Creek2525
Little Seneca Creek13.213
Little Wicomico River12.713
Little Youghiogheny River12.613
Magothy River14.715
Manokin River26.326
Marsh Creek (Monocacy River tributary)1.11
Marshyhope Creek13.814
Marumsco Creek17.518
Mason Branch14.414
Mattawoman Creek31.131
Middle Creek2.83
Middle Patuxent River23.924
Miles River15.716
Monie Creek21.622
Monocacy River58.5206
Morgan Run14.414
Nanticoke River063
Nassawango Creek20.721
North East Creek14.227
Octoraro Creek9.29
Otter Point Creek5.120
Owens Creek16.316
Patapsco River46152
Patapsco River - North Branch24.739
Patapsco River - South Branch19.520
Patuxent River119.8196
Patuxent River - Western Branch14.815
Piney Creek (Monocacy River tributary)15.315
Piscataway Creek19.520
Pocomoke River55.195
Potomac River292.21,085
Potomac River - North Branch103.4169
Quantico Creek1717
Rewastico Creek14.515
Rock Creek2323
Romney Creek17.918
Sassafras River4.44
Savage River29.530
Seneca Creek7.142
Sideling Hill Creek (Potomac River tributary)15.816
St. Marys River2727
Susquehanna River14.395
Toms Creek9.913
Tonoloway Creek3.33
Town Creek31.331
Transquaking River52.3113
Tred Avon River17.117
Tuckahoe Creek21.536
Western Run14.414
Wicomico River (Chesapeake Bay tributary)22.723
Wicomico River (Potomac River tributary)2042
Wills Creek6.87
Winters Run14.615
Wye East River18.118
Wye River16.216
Youghiogheny River42.9118
Zekiah Swamp Run22.222

Note: Lengths are for the part of the river/watershed within the boundary of this state.

Note: Mostly rivers/streams 15+ miles in length.

Data from United States Geological Survey