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GIS Data Management for Chesapeake Bay Restoration Program

Explore the GIS database, applications, and strategies for restoring the Bay’s health, addressing pollution, and meeting TMDL requirements.

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GIS Data Management for Chesapeake Bay Restoration Program

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  1. GIS Data Management for SHA’s Bay Restoration Program Jeff Tirschman, PMP

  2. Presentation Overview • Background • Restoration Strategies • GIS Database • GIS Applications • Questions

  3. Chesapeake Bay Pollution Diet TMDL Implementation • Total Maximum Daily Load • Establish Current Conditions (Baseline) • Define Impairment • Reduction in Pollution • Planned • Projected • Tracked Baseline Load (Current Condition) Reduction Load Impairment TMDL (WLA) Pollutant Level Healthy Loads 0 lbs/yr Pollutant

  4. Chesapeake Bay TMDL & Local TMDLs • Locals TMDLs Address Impairments in 8-Digit Watersheds • Bay TMDL Addresses Impairments in the Bay & its Tidal Segments

  5. Restoration Goals • 20% Impervious Area Restoration • Bay TMDL Compliance • Nitrogen • Phosphorus • Sediment • Local TMDL Compliance • Various requirements

  6. Water Quality Improvement Strategies • Restoration Strategies • Land Use Changes • Tree plantings • Impervious area removal • Impervious area to forest

  7. Water Quality Improvement Strategies • Restoration Strategies • Structural Stormwater • Wet Ponds • Bioswales • Infiltration practices • Grass swales • Retrofits

  8. Water Quality Improvement Strategies • Restoration Strategies • Load Reduction • Stream restoration • Outfall stabilization • Inlet cleaning • Street sweeping

  9. GIS Database • Centralized Database Repository • Modeled Geodatabase • Features representing project / asset locations • Attributes describing assets • Aligned to MDE Reporting Requirements

  10. Comprehensive GIS Database Design

  11. Data Storage & Management • Features • Site selection features • BMPs / assets • Attributes • Location • Dates • Credits • Impervious area treatment • Design criteria • Files

  12. Data Migration & Integration • Various Formats • MS Excel spreadsheets • MS Access databases • Shapefiles • Maximo output reports • Site selection reports • Field maps • Project summary sheets • Determine System of Record • Opportunities • Challenges

  13. Information Architecture / Accessibility • Database Integration • Web Services • Map Services • Versioned Environment • Security • Accessibility

  14. Foundation for Project Lifecycle • Planning / Watershed Improvement Plan Development • Site Selection • Design • Construction • Maintenance • Inspection • Reporting • Impervious Accounting

  15. GIS Data Collection & Tracking Tools • Site Selection • Desktop Assessment • GIS screening • Ranked sites based on various parameters • Resources • Land use / land cover • Contours • Site size • SHA ROW • Utilities

  16. GIS Data Collection & Tracking Tools

  17. GIS Applications • eGIS Bay Restoration Editor • Viewing the results in Enterprise GIS (eGIS) • Translating potential site opportunities into contracted BMP locations for credit • Understand site lineage from site selection through construction and inspection • Organize and view related documents

  18. GIS Applications • SHA Bay Restoration Viewer (Public-Facing) • View project locations • View project details • Proximity search

  19. GIS Applications http://www.roads.maryland.gov/index.aspx?pageid=333

  20. Thank You Jeff Tirschman Water Programs Division Office of Environmental Design Consultant for Maryland State Highway Administration KCI Technologies 936 Ridgebrook Road Sparks, MD 21146 410-316-7944 jeff.tirschman@kci.com

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