PENNSYLVANIA RIVER BASIN DESCRIPTOR KEY
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Central Allegheny River Subbasin - 17 A
Central Allegheny River Subbasin - 17 B
Central Allegheny River Subbasin - 17 C
Central Allegheny River Subbasin - 17 D
Central Allegheny River Subbasin - 17 E
Central Delaware River Subbasin - 2 A
Central Delaware River Subbasin - 2 C
Central Delaware River Subbasin - 2 D
Central Delaware River Subbasin - 2 E
Central Delaware River Subbasin - 2 F
Central Delaware River Subbasin -2 B
Central West Branch Susquehanna River Subbasin - 9 A
Central West Branch Susquehanna River Subbasin - 9 B
Central West Branch Susquehanna River Subbasin - 9 C
Genesee River Subbasin - 14
Lake Erie Subbasin  - 15
Lower Allegheny River Subbasin - 18 A
Lower Allegheny River Subbasin - 18 B
Lower Allegheny River Subbasin - 18 C
Lower Allegheny River Subbasin - 18 D
Lower Allegheny River Subbasin - 18 E
Lower Allegheny River Subbasin - 18 F
Lower Central Susquehanna River Subbasin - 6 A
Lower Central Susquehanna River Subbasin - 6 B
Lower Central Susquehanna River Subbasin - 6 C
Lower Delaware River Subbasin - 3 A
Lower Delaware River Subbasin - 3 B
Lower Delaware River Subbasin - 3 C
Lower Delaware River Subbasin - 3 D
Lower Delaware River Subbasin - 3 E
Lower Delaware River Subbasin - 3 F
Lower Delaware River Subbasin - 3 G
Lower Delaware River Subbasin - 3 H
Lower Delaware River Subbasin - 3 I
Lower Delaware River Subbasin - 3 J
Lower Juniata River Subbasin - 12 A
Lower Juniata River Subbasin - 12 B
Lower Juniata River Subbasin - 12 C
Lower Susquehanna River Subbasin - 7 A
Lower Susquehanna River Subbasin - 7 B
Lower Susquehanna River Subbasin - 7 C
Lower Susquehanna River Subbasin - 7 D
Lower Susquehanna River Subbasin - 7 E
Lower Susquehanna River Subbasin - 7 F
Lower Susquehanna River Subbasin - 7 G
Lower Susquehanna River Subbasin - 7 H
Lower Susquehanna River Subbasin - 7 I
Lower Susquehanna River Subbasin - 7 J
Lower Susquehanna River Subbasin - 7 K
Lower West Branch Susquehanna River Subbasin - 10 A
Lower West Branch Susquehanna River Subbasin - 10 B
Lower West Branch Susquehanna River Subbasin - 10 C
Lower West Branch Susquehanna River Subbasin - 10 D
Monongahela River Subbasin - 19 A
Monongahela River Subbasin - 19 B
Monongahela River Subbasin - 19 C
Monongahela River Subbasin - 19 D
Monongahela River Subbasin - 19 E
Monongahela River Subbasin - 19 F
Monongahela River Subbasin - 19 G
Ohio River Sub
Ohio River Subbasin - 20 A
Ohio River Subbasin - 20 B
Ohio River Subbasin - 20 C
Ohio River Subbasin - 20 D
Ohio River Subbasin - 20 E
Ohio River Subbasin - 20 F
Ohio River Subbasin - 20 G
Potomac River Subbasin - 13 A
Potomac River Subbasin - 13 B
Potomac River Subbasin - 13 C
Potomac River Subbasin - 13 D
Upper Allegheny River Subbasin - 16 A
Upper Allegheny River Subbasin - 16 B
Upper Allegheny River Subbasin - 16 C
Upper Allegheny River Subbasin - 16 D
Upper Allegheny River Subbasin - 16 E
Upper Allegheny River Subbasin - 16 F
Upper Allegheny River Subbasin - 16 G
Upper Central Susquehanna River Subbasin - 5 A
Upper Central Susquehanna River Subbasin - 5 B
Upper Central Susquehanna River Subbasin - 5 C
Upper Central Susquehanna River Subbasin - 5 E
Upper Central Susquehanna River Susbasin - 5 D
Upper Delaware River Subbasin - 1 A
Upper Delaware River Subbasin - 1 B
Upper Delaware River Subbasin - 1 C
Upper Delaware River Subbasin - 1 D
Upper Delaware River Subbasin - 1 E
Upper Delaware River Subbasin - 1 F
Upper Juniata River Subbasin - 11 A
Upper Juniata River Subbasin - 11 B
Upper Juniata River Subbasin - 11 C
Upper Juniata River Subbasin - 11 D
Upper Susquehanna River Subbasin - 4 A
Upper Susquehanna River Subbasin - 4 B
Upper Susquehanna River Subbasin - 4 C
Upper Susquehanna River Subbasin - 4 D
Upper Susquehanna River Subbasin - 4 E
Upper Susquehanna River Subbasin - 4 F
Upper Susquehanna River Subbasin - 4 G
Upper West Branch Susquehanna River Subbasin - 8 A
Upper West Branch Susquehanna River Subbasin - 8 B
Upper West Branch Susquehanna River Subbasin - 8 C
Upper West Branch Susquehanna River Subbasin - 8 D