Resource

Boundary

Time Frame

Approach

Data Source

Agency

*Disruption to Community

Subwatersheds

19632020

Trend analysis, overlay
  • Aerial photography
  • Historic mapping

Baltimore County Planning

*Employment

Employment Center

19602020
  • Trend analysis
  • County projections
  • Census
  • Purpose and Need
  • US Department of Commerce
  • Baltimore County Planning

*Population

Census Tracts

19602020

Trend analysis
  • Census
  • County Projections
  • US Department of Commerce 
  • Baltimore County Planning

*Land Use (residential, industrial, farmland)

Census Tracts

19632020
  • Trend analysis, overlay
  • Identifiy current and future capital projects
  • Aerial photography
  • Baltimore County Master Plan
  • MDOT Consolidated Trans. Program
  • OP Land Use maps
  • Pipeline Res. Development
  • Baltimore County Planning 
  • Maryland Office of Planning
  • Baltimore Metropolitan Council

Historic Sites

Census Tracts

19632020

Trend analysis, overlay

Historic mapping
  • Baltimore County Historical Society
  • Maryland Historical Trust

Groundwater

Subwatersheds

19632020

Trend analysis
  • GIS files (MDE)
  • Historical records
  • MDE
  • DNR
  • Baltimore County Planning

Surface Water Quality & Quantity

Subwatersheds

19632020
  • Trend Analysis Matrices
  • Compare water quality data at specific monitring sites, if available. 
  • Determine the change in the amount of impervious surfaces.
  • Identifiy NPDES sites and overlay land use
  • Aerial photography
  • Internet 
  • Maryland Stormwater Management (existing and propsed new regulations)
  • Baltimore County
  • Maryland Department of the Environment  (MDE)
  • Save Our Streams
  • Natural Resource Conservation Service

Floodplains

Subwatersheds

19632020
  • Trend Analysis Overlays
  • Identify floodplain boundaries and overlay land use.
  • FEMA maps
  • Baltimore County GIS
  • Aerial Photographs
  • SHA
  • Baltimore County

Wetlands

Subwatersheds

19632020

Determine the change in acreage of wetlands based on work by MOP
  • National Wetland Inventory Maps, US Fish and Wildlife
  • Baltimore County GIS
  • Army Corps of Engineers Permit Files
  • Maryland Department of Natural Resources
  • "Wetlands of Maryland", US Fish and Wildlife
  • Maryland Department of the Environment
  • MOP
  • Chesapeake Bay Foundation
  • US Fish and Wildlife Service
  • MD Department of Natural Resources
  • DEPRM

Wildlife, Terrestrial and Aquatic Habitat

Subwatersheds

19632020
  • Trend Analysis, Overlays, Matrices
  • Use MOP data to identify changes in forest acreage
  • MOP GIS/Maps
  • 1989 Maryland Reforestation Law
  • Aerial Photography
  • 1990 Maryland State Forest Conservation Act
  • Maryland Seed Tree Law
  • MOP
  • USFWS
  • Baltimore County
  • MDE
  • DEPRM

Noise

    

Qualitive discussion

    

*Air Quality

    

Consult BMC Regional discussion

    

*Hazardous Materials

    
  • Overlays
  • Identify CERCLA List and overlay on land use
  • CERCLA List
  • MDE lists
  • Environmental Protection Agency
  • MDE