Watershed Profile: Hammer Creek near Route 322
Watershed Overview
Hammer Creek originates in Lebanon County, PA and flows southeast until its confluence with Cocalico Creek in Lancaster County, PA. The monitoring station is located in Lancaster County, PA near the Lebanon County, PA line.
Drainage Characteristics
- Drainage Area (square miles): 15.62
- Total Stream Length (miles): 23.1
- Average Annual Flow at Station (NHD) (cfs): 23.4
- Population (2020): 3,356
Stream Classifications (Pennsylvania)
Designation | Miles |
---|---|
Cold Water Fisheries | 17.43 |
High-Quality Cold Water Fisheries | 5.65 |
Total | 23.08 |
- Land Use
-
Description Percentage Water 0.07 Developed Open Space 6.76 Low Urban 3.82 Medium Urban 1.39 High Urban 0.60 Barren 0.01 Deciduous Forest 34.31 Coniferous Forest 0.08 Mixed Forest 3.21 Shrub Scrub 0.01 Grassland Herbaceous 0.16 Pasture/Hay 12.49 Cropland 36.92 Wetlands 0.17
Underlying Geology
Rock Type | Percentage |
---|---|
Conglomerate | 19.17 |
Dolomite | 13.00 |
Limestone | 32.28 |
Other | 2.20 |
Sandstone | 31.06 |
Shale | 2.27 |
Map
Recent Results
Sample Time | 12/8/2024 9:00:00 PM |
---|---|
Temperature (C) | 5.02 |
Specific Conductivity (mS/cm) | 0.495 |
PH | 12.87 |
Turbidity (NTU+) | 2.78 |
Dissolved Oxygen (mg/L) | 11.61 |
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 0
- Natural Gas Water Withdrawals 0
Public Water Supply Withdrawals
- Groundwater 6
- Surface Water 0
NPDES Discharges
Description | Count |
---|---|
Concentrated Animal Feeding Operation | 4 |
Mining/Quarry | 0 |
Stormwater | 0 |
Wastewater Treatment Plant/Sewage Treatment Plant | 0 |
Other | 0 |
Stream Impairments
Source | Category | Miles |
---|---|---|
Agriculture | Aquatic Life | 15.80 |
Source Unknown | Recreational | 20.30 |