Watershed Profile: Susquehanna River at Kirkwood, NY

Watershed Overview
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 Upper Susquehanna Subbasin between Fivemile Point, NY and Kirkwood, NY.
Drainage Characteristics
  • Drainage Area (square miles): 2251.08
  • Total Stream Length (miles): 4218.1
  • Average Annual Flow at Station (NHD) (cfs): 3736.8
  • Population (2020): 125,793
Stream Classifications (Pennsylvania)
Designation Miles
Cold Water Fisheries 460.62
Exceptional Value 10.82
High-Quality Cold Water Fisheries 73.92
Warm Water Fisheries 25.38
Total 570.74
Stream Classifications (New York)
Classification Use Miles
Class A Drinking Water Source 44.73
Class A (T) Drinking Water Source With Trout Population 22.79
Class A (TS) Drinking Water Source With Trout Spawning 21.46
Class AA Drinking Water Source 22.49
Class AA (T) Drinking Water Source With Trout Population 7.09
Class B Contact Recreation (Not Drinking Water Source) 184.48
Class B (T) Contact Recreation With Trout Population 3.49
Class C Support Fisheries (Non-Contact) 1811.72
Class C (T) Support Fisheries, Non-Contact With Trout Population 905.87
Class C (TS) Support Fisheries, Non-Contact With Trout Spawning 623.22
Total 3647.34
  • Land Use
  • Description Percentage
    Water 1.15
    Developed Open Space 4.55
    Low Urban 1.39
    Medium Urban 0.51
    High Urban 0.13
    Barren 0.11
    Deciduous Forest 40.20
    Coniferous Forest 4.91
    Mixed Forest 16.95
    Shrub Scrub 0.53
    Grassland Herbaceous 0.42
    Pasture/Hay 20.43
    Cropland 3.27
    Wetlands 5.46
Underlying Geology
Rock Type Percentage
Limestone 5.00
Sandstone 11.31
Shale 83.69
Recent Results
Sample Time 6/23/2024 9:00:00 PM
Temperature  (C) 25.77
Specific Conductivity  (mS/cm) 0.485
PH 7.38
Turbidity  (NTU+) 19.54
Dissolved Oxygen  (mg/L) 5.6
Dissolved Oxygen (last month of readings)
pH (last month of readings)
Specific Conductivity (last month of readings)
Temperature (last month of readings)
Turbidity (last month of readings)
Natural Gas
  • Natural Gas Pads 90
  • Natural Gas Water Withdrawals 7
Public Water Supply Withdrawals
  • Groundwater 539
  • Surface Water 12
NPDES Discharges
Description Count
Concentrated Animal Feeding Operation 10
Mining/Quarry 39
Stormwater 36
Wastewater Treatment Plant/Sewage Treatment Plant 14
Other 42
Stream Impairments
Source Category Miles
Source Unknown Aquatic Life 2.50
Source Unknown Fish Consumption 27.90
Atmospheric Deposition Fish Consumption 349.40
Source Unknown Recreational 133.00
On-Site Treatment Systems Recreational 25.10