![]() If you have problems downloading visit our Problems Downloading Page. These images can be downloaded from the Illinois Natural Resources Geospatial Data Clearinghouse.)Ĭommonly requested maps include parcel ownership, street centerlines, floodplain data, school districts, fire protection districts, voter precinct boundaries, traffic and crime statistics, zoning boundaries and parcel overlays with aerial photography.Įmail Josh Boudi for all data requests or additional information and costs associated with available maps and data. (United States Geological Survey digital orthophotos (DOQs) are available for Rock Island County ranging from 1998 through 2000.Aerial Photography - Digital orthophotography beginning in 1995.Taxing Districts - Boundaries of any taxing district in Rock Island County (i.e.Census Data - Data provided by the U.S.Zoning - Zoning codes based on parcel boundaries. ![]() Soils - Soil types based on the most recent Natural Resources Conservation Service (NRCS) soil survey.Streets - Street segments with address ranges.Available DataĬommon data layers used by the GIS include: The Computer-Aided Dispatching (CAD) system uses a street centerline and address point layer to indicate where the proper emergency services unit should be dispatched. The GIS Department has also developed and now maintains accurate addressing data used by the five E911 dispatching centers in Rock Island County. Development and Maintenance of Rock Island County's website.Master Street Addressing Guide (MSAG) Maintenance.Internet Mapping Applications Development.The GIS Department is responsible for the development, maintenance, integration and training of GIS software applications and data layers for all County departments and agencies. Digital orthophotography and property records are used to more accurately "adjust" data such as parcels and street centerlines. Digital conversion began in 1998 by digitizing "paper" mylar tax parcel maps in AutoCAD and editing with Environmental Systems Research Institute, Inc's (ESRIs) ArcInfo software. Rock Island County began its GIS project in 1996 with the approval of the purchase of digital airphotos and a new digital soil survey. GIS is not an automated decision making system, but a tool to query, analyze, and map data in support of the decision making process. GIS is a powerful tool for governments and businesses to make informed decisions based on the "big picture" of related data. GIS technology combines common database operations such as query and statistical analysis with unique visualization and geographic analysis benefits. GIS allows integration of all types of data based on the geographic component of the data. GIS - What is it?Ī Geographic Information System (GIS) is a computer-based tool for mapping and analyzing things that exist and events that happen on earth. Additional parcel-based data can be found as well, such as situs address, assessed value, land/building characteristics, zoning, districting, local. Data requests may still be emailed to Josh Boudi. To view or print a PDF version of an Assessors Parcel Map, visit the MyNeighborhood GIS tool, search by APN or situs address, and select 'Parcel Report' then 'View Assessors Parcel Map PDF'.
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