Watershed Profile: Susquehanna River near Peach Bottom PA

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 Lower Susquehanna Subbasin near the town of Peach Bottom, PA.
Drainage Characteristics
  • Drainage Area (square miles): 26,980.63
  • Total Stream Length (miles): 48,694.90
  • Average Annual Flow at Station (NHD) (cfs): 39,826.00
  • Population (2010): 4,045,929
Stream Classifications (Pennsylvania)
Designation Miles
Exceptional Value 2044.45
High-Quality Cold Water Fisheries 9550.96
High-Quality Trout Stocked Fisheries 101.90
High-Quality Warm Water Fisheries 58.25
Trout Stocked Fisheries 3397.61
Warm Water Fisheries 8998.65
Total 24151.82
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 0.32
    Developed Open Space 5.37
    Low Urban 2.06
    Medium Urban 0.84
    High Urban 0.33
    Barren 0.41
    Deciduous Forest 44.39
    Coniferous Forest 2.73
    Mixed Forest 15.37
    Shrub Scrub 1.02
    Grassland Herbaceous 0.59
    Pasture/Hay 14.88
    Cropland 9.21
    Wetlands 1.72
Underlying Geology
Rock Type Percentage
Conglomerate 0.38
Dolomite 2.17
Limestone 5.31
Other 2.49
Quartzite 2.67
Sandstone 36.79
Shale 50.17
Recent Results
Sample Time 12/2/2022 12:15:00 PM
Temperature  (C) 20.36
Specific Conductivity  (mS/cm)
PH 6.380813
Turbidity  (NTU+) 0.5
Dissolved Oxygen  (mg/L)
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 1927
  • Natural Gas Water Withdrawals 104
Public Water Supply Withdrawals
  • Groundwater 10234
  • Surface Water 445
NPDES Discharges
Description Count
Concentrated Animal Feeding Operation 373
Mining/Quarry 658
Stormwater 1375
Wastewater Treatment Plant/Sewage Treatment Plant 1186
Other 2957
Stream Impairments
Source Category Miles
Acid Mine Drainage Aquatic Life 3112.01
Agriculture Aquatic Life 4386.60
Animal Feeding Operations Aquatic Life 7.25
Atmospheric Deposition Aquatic Life 509.69
Channelization Aquatic Life 89.34
Coal Mining Aquatic Life 1.79
Combined Sewer Overflows Aquatic Life 19.24
Construction Aquatic Life 52.59
Crop Production Aquatic Life 404.77
Dam or Impoundment Aquatic Life 58.41
Erosion from Derelict Land Aquatic Life 19.01
Highway/Road/Bridge Runoff Aquatic Life 1.90
Golf Courses Aquatic Life 29.67
Grazing in Riparian Zones Aquatic Life 528.68
Habitat Modification Aquatic Life 919.70
Highway/Road/Bridge Runoff Aquatic Life 349.11
Highways, Roads, Bridges Construction Aquatic Life 3.88
Dam or Impoundment Aquatic Life 81.47
Industrial Point Source Aquatic Life 61.35
Landfills Aquatic Life 3.61
Municipal Point Source Aquatic Life 49.14
Natural Sources Aquatic Life 20.64
On-Site Treatment Systems Aquatic Life 32.57
Removal of Vegetation Aquatic Life 108.10
Rural (Residential) Aquatic Life 184.89
Silvaculture Aquatic Life 11.50
Site Clearance Aquatic Life 24.12
Source Unknown Aquatic Life 383.30
Streambank Modifications Aquatic Life 33.15
Surface Mining Aquatic Life 37.18
Urban Runoff/Storm Sewers Aquatic Life 864.76
Agriculture Fish Consumption 21.40
Combined Sewer Overflows Fish Consumption 21.40
Habitat Modification Fish Consumption 21.40
Urban Runoff/Storm Sewers Fish Consumption 21.40
Atmospheric Deposition Fish Consumption 606.40
Municipal Point Source Fish Consumption 28.10
On-Site Treatment Systems Fish Consumption 41.80
Industrial Point Source Fish Consumption 10.80
Source Unknown Fish Consumption 608.00
Acid Mine Drainage Potable Water Supply 8.70
Agriculture Potable Water Supply 0.40
Source Unknown Potable Water Supply 15.20
Agriculture Recreational 356.50
Combined Sewer Overflows Recreational 11.70
Source Unknown Recreational 5824.20
On-Site Treatment Systems Recreational 54.30
Urban Runoff/Storm Sewers Recreational 134.30