Geography SPC Water Resource Center
Land Use / Land Cover

The following county maps were created with SPC’s Unified GIS LULC 2006 Inventory, a complete collection of land cover data for the 10-county SPC region digitized from color aerial photography from the PA DCNR’s PAMAP Program in 2006.

Fayette County Thumbnail Sample

Thumbnail image sample of
Fayette County Land Use / Land Cover map

Water Resource Maps

MS4 Communities in the SPC Region

Thumbnail image sample of
MS4 Communities in the SPC region.

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Who We Are

Erin Kepple Adams

Pennsylvania Stormwater Regulations

State & Federal Water Laws
Federal Laws | Pennsylvania Code

Regulatory Agencies & Legislative Resources


Watershed Information and Regional Watershed Conservation Plans

GIS Data Sources

Green Infrastructure


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Key Contacts


Grants & Funding Resources

Land Use/Land Cover
Allegheny | Armstrong | Beaver |
Bulter | Fayette | Greene | Indiana |
Lawrence | Washington |


Water Resource Maps
MS4 Communities in the SPC Region
Act 167 Watersheds

Impaired Waterways by Source
Designated Uses in SPC Region
Total Maximum Daily Loads (TMDLs) for Impaired Waterways
Population Density
Bedrock Formations


Municipal Separate Stormwater System (MS4)

SPC Educational Resources

SPC Workshop Materials


Stormwater Management & Best Management Practices

Free Educational Webinars and Online Training

Resources for Student Education


SWPA's Homeowner's Guide To Stormwater

Climate Change and Water Resources

Resources for Water Suppliers & Wastewater Managers

Additional Water
Quality Information

NEW! Quick Resource Guide to the MS4 Program

NEW! Quick Resource Guide for Winter Maintenance BMPs