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Building a Statewide Parcel Database for  the  Public

Building a Statewide Parcel Database for  the  Public. Peter Herreid Department of A dministration. Howard Veregin State Cartographer’s Office. Goals of Presentation. Peter Outline Statewide Parcel Initiative and its linkages to Act 20 Howard

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Building a Statewide Parcel Database for  the  Public

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  1. Buildinga • StatewideParcel • Database • for the Public Peter Herreid Department of Administration Howard Veregin State Cartographer’s Office

  2. Goals of Presentation Peter Outline Statewide Parcel Initiative and its linkages to Act 20 Howard Describe “Version 1 Parcel Map Database Project” and its relationship to the Parcel Initiative

  3. Statewide Parcel Initiative

  4. “Version 1” Parcel Map Project

  5. Overview • Part of Statewide Parcel Initiative • Partnership between DOA and SCO • Collaboration with local governments • Goal is to create Wisconsin’s first public statewide digital parcel map • Project will: • Help counties achieve statutory requirements for parcel info • Assist DOA advance Statewide Parcel Initiative • Provide benefits to users and a path for future projects

  6. Project Deliverables • Statewide parcel database • Aggregated from county and municipal data • To include attributes required by statute • Assessment data • Zoning • Addresses • Acreage • Set of final reports • Methods used • Recommendations for standards • Benchmarking

  7. Final Report Topics • Describe tools used to standardize data • Recommend export standard for statewide integration • Recommend searchable format for parcel attributes • Identify benchmarks to assess how well individual parcel datasets meet statutory requirements • Assess county parcel datasets on these benchmarks • Analyze longer-term benchmarks (beyond Act 20)

  8. Benchmarks • Quantitative measures of data quality • Completeness, currentness, positional accuracy, topological consistency, etc. • May be applied to parcels or other layers • A “report card” for source datasets • Helps identify actions needed to improve data • Quantitative comparisons between jurisdictions • Track improvements over time • Prioritize funding decisions, use funding strategically

  9. Technical Implementation A “conventional” data integration approach Source datasets are physically integrated based on a common data model Resulting database is a snapshot in time

  10. Input formats are variable. No change required to source data formats or local government workflows. Distribution formats are varied. Meet Act 20 requirements and needs of community. Outside of scope of SCO project. Updating is necessary. Source data must be reingested. Integration is complex. Stored, repeatable procedures. Common data model. Ultimately, data standards.

  11. Not in V1 Scope • Actual hosting of data; interactive web search interface • Updates to data; filling gaps in data • Prioritization of investments to improve local data; allocation of WLIP funds • Creating a governance structure to implement standards

  12. Deliverables and Timeline

  13. Data Availability and Sharing

  14. Data Sharing: Experience from LinkWISCONSIN EBM Project Precursor to “Version1” project Statewide parcel and address layers for WI Public Service Commission SCO/DOA collaboration Sept 2014, ends Sept 2015 http://broadbandmap.sco.wisc.edu/

  15. Relationship between EBM and V1

  16. EBM Project Status

  17. EBM Address Points (ver. 2)

  18. EBM Parcels (ver. 2)

  19. Data Sharing: “Version 1” Project Extent of data sharing by local governments for public-facing data remains to be seen Excellent response for EBM project! Believe that many local govt’s will freely participate, and that we will reach data sharing agreements with the others

  20. Benefits • Help counties achieve Act 20 requirements • Help DOA advance Statewide Parcel Initiative • Create a publically available, statewide, digital parcel map for the first time in Wisconsin • Meet diverse business needs for statewide parcels from gov’t, academia, private sector, non-profits • Enhance ROI for GIS infrastructure and WLIP funding by putting data to work • Develop standards to improve data exchange

  21. Benefits • Develop benchmarks to enable prioritization of improvement efforts and funding • Enhance working relationships between locals and state gov’t • Model a successful statewide integration effort as a framework for future projects

  22. Benefits • Improve Wisconsin’s position nationwide • 15 states have a statewide parcel layer > 95% complete • 14 states make the layer available to the public • 21 states have a program in place to collect local parcel data • 25 states have a designated parcel steward • http://www.nsgic.org/gma-2013/

  23. Thank You!

  24. Questions? Peter Herreid peter.herreid@wisconsin.gov (608) 267-3369 Howard Veregin veregin@wisc.edu (608) 262-6852 http://www.doa.state.wi.us/Divisions/ Intergovernmental-Relations/ Land-Information-Program www.sco.wisc.edu

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