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The Codorus Creek Watershed is home to over 200,000 residents who live, work and play here. Codorus Creek drains 278
square miles of southwestern and central York County, Pennsylvania, with over 447 miles of streams, three major reservoirs,
and many more ponds and wetlands.
Clean water is used for agriculture, industry, drinking, and recreation. Biodiversity includeds a range of native
and invasive flora and fauna. However, Codorus Creek and some of it's many tributaries are impaired by nonpoint sources of
pollution: sediment, nutrients and toxic substances.
Background
- Location: York County, south-central Pennsylvania
- Source: West Branch, West Manheim Township (near Linesboro, Maryland. Elevation 1,020 feet above MSL.
- Outfall: Susquehanna River (near Saginaw). Elevation 241 feet above MSL. Latitude 39 53'9". Longitude 76 47'19".
- Course: Southwest to northeast
- Drainage Area: 278 square miles (177,920 acres)
- Length: 48 miles
- Meander Ratio: 1.18
- Relief Ratio: 16.2
- Slope: 6.0 feet/mile
Physiography
- Piedmont Province
- Piedmont Uplands section (source)
- Conestoga Valley section (outfall)
- Drainage pattern dendritic
- Channel pattern regular
- Topography
- Upper and middle reaches rolling hills, broad valley, moderate slopes
- Lower reach hills, narrowing valley, moderate to steep slopes
Population & Land Use
- Population 205,000 (2000)
- Growth Rate ~12.4%
- Lands Use
- 42% Cropland
- 14% Pasture
- 26% Woodland
- 18% Urban
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