The Susquehanna River begins at the outflow of Otsego Lake in Cooperstown, NY. The River flows 444 miles through New York, Pennsylvania and Maryland, before reaching its confluence with the Chesapeake Bay in Havre de Grace, MD. The monitoring station is in the Middle Susquehanna Subbasin near Danville, PA.
Drainage Characteristics
Drainage Area (square miles): 11222.41
Total Stream Length (miles): 19602.00
Average Annual Flow at Station (NHD) (cfs): 16721.50
Population (2010): 1359665
Stream Classifications (Pennsylvania)
Designation
Miles
Cold Water Fisheries
4985.17
Exceptional Value
184.08
High-Quality Cold Water Fisheries
1202.60
Trout Stocked Fisheries
654.14
Warm Water Fisheries
1385.03
Total
8411.02
Stream Classifications (New York)
Classification
Use
Miles
Class A
Drinking Water Source
154.69
Class A (T)
Drinking Water Source With Trout Population
33.94
Class A (TS)
Drinking Water Source With Trout Spawning
24.49
Class AA
Drinking Water Source
31.09
Class AA (T)
Drinking Water Source With Trout Population
7.13
Class AA (TS)
Drinking Water Source With Trout Spawning
3.08
Class B
Contact Recreation (Not Drinking Water Source)
369.04
Class B (T)
Contact Recreation With Trout Population
53.09
Class C
Support Fisheries (Non-Contact)
7630.29
Class C (T)
Support Fisheries, Non-Contact With Trout Population
1990.31
Class C (TS)
Support Fisheries, Non-Contact With Trout Spawning
884.85
Class D
Fishing, But Does Not Support Fish Propagation
8.98
Exempt
Exempt
0.03
Total
11191.01
Land Use
Description
Percentage
Water
1.03
Developed Open Space
5.24
Low Urban
1.82
Medium Urban
1.10
High Urban
0.42
Barren
0.25
Deciduous Forest
39.69
Coniferous Forest
3.36
Mixed Forest
17.16
Shrub Scrub
0.77
Grassland Herbaceous
0.47
Pasture/Hay
21.03
Cropland
4.30
Wetlands
3.36
Natural Gas
Natural Gas Pads
1348
Natural Gas Water Withdrawals
69
Public Water Supply Withdrawals
Groundwater
3765
Surface Water
156
NPDES Discharges
Description
Count
Concentrated Animal Feeding Operation
81
Mining/Quarry
255
Stormwater
550
Wastewater Treatment Plant/Sewage Treatment Plant
178
Other
476
Stream Impairments
Source
Category
Miles
Source Unknown
Fish Consumption
270.40
Atmospheric Deposition
Fish Consumption
698.00
Acid Mine Drainage
Potable Water Supply
0.70
Source Unknown
Recreational
732.80
Urban Runoff/Storm Sewers
Recreational
21.70
Agriculture
Recreational
22.50
On-Site Treatment Systems
Recreational
52.60
Combined Sewer Overflows
Recreational
11.70
Municipal Point Source
Recreational
16.30
Acid Mine Drainage
Aquatic Life
382.40
Agriculture
Aquatic Life
238.90
Animal Feeding Operations
Aquatic Life
1.82
Atmospheric Deposition
Aquatic Life
157.20
Channel Erosion/Incision from Upstream Hydromodifications