The primary division of a simultaneous conveyance and generally referred to as lots, units, or common elements. Not to be confused with parcel boundaries. This layer is maintained by the Auditor's Office.

This data represents the land contour elevations for Lake County, Indiana. The contours are at intervals of one foot. The contours were created using a 2 foot resolution DEM derived from 2013 LiDAR data. The DEM was run through a smoothing routine to remove spikes and rough areas near buildings. Contours were then created using the contour tool in ArcGIS. The contours were clipped down to the county boundary.

This data represents the land contour elevations for Lake County, Indiana. The contours are at intervals of one foot. The contours were created using a 2 and a half foot resolution DEM derived from 2018 LiDAR data. The DEM was run through the focal statistics tool using a 10 x 10 cell grid to smooth the contour lines. Contours were then created using the contour tool in ArcGIS. The contours were clipped down to the county boundary.

This layer shows the corporate boundaries for Lake County, Indiana. The data is maintained and updated by the Lake County Auditor's office. This hosted layer will be updated as changes are made to the source layer.

Layer showing the regulated and non regulated drains and ditches within Lake County. The non-regulated drains will not have their names listed as the Lake County Surveyor's Office is not responsible to maintaining those drains/ditches.

Layer showing the locations of schools within Lake County, Indiana. The layer will be updated as potential changes are brought to the attention of the Lake County Surveyor's Office.

This layer shows the political township boundaries within Lake County, Indiana. It will be updated as any changes are made to the source layer.

This data represents the land contour elevations for Lake County, Indiana. The contours are at intervals of five feet. The contours were created using a 5 foot resolution DEM derived from 2005 orthophotography. The DEM was run through the focal statistics tool using a 10 x 10 cell grid to smooth the contour lines. Contours were then created using the contour tool in ArcGIS. The contours were clipped down to the county boundary. The steps in the video linked below were followed to create these countours https://www.youtube.com/watch?v=q3iblCHGoZk.

The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Management Agency (FEMA), and any Letters of Map Revision (LOMRs) that have been issued against those databases since their publication date. It is updated on a monthly basis. The FIRM Database is the digital, geospatial version of the flood hazard information shown on the published paper FIRMs. The FIRM Database depicts flood risk information and supporting data used to develop the risk data. The primary risk classifications used are the 1-percent-annual-chance flood event, the 0.2-percent-annual-chance flood event, and areas of minimal flood risk. The FIRM Database is derived from Flood Insurance Studies (FISs), previously published FIRMs, flood hazard analyses performed in support of the FISs and FIRMs, and new mapping data, where available. The FISs and FIRMs are published by FEMA. The NFHL is available as State or US Territory data sets. Each State or Territory data set consists of all FIRM Databases and corresponding LOMRs available on the publication date of the data set. The specification for the horizontal control of FIRM Databases is consistent with those required for mapping at a scale of 1:12,000. This file is georeferenced to the Earth's surface using the Geographic Coordinate System (GCS) and North American Datum of 1983.

The Watershed Boundary Dataset (WBD) is a comprehensive aggregated collection of hydrologic unit data consistent with the national criteria for delineation and resolution. It defines the areal extent of surface water drainage to a point except in coastal or lake front areas where there could be multiple outlets as stated by the "Federal Standards and Procedures for the National Watershed Boundary Dataset (WBD)" “Standard” (http://pubs.usgs.gov/tm/11/a3/). Watershed boundaries are determined solely upon science-based hydrologic principles, not favoring any administrative boundaries or special projects, nor particular program or agency. This dataset represents the hydrologic unit boundaries to the 12-digit (6th level) for the entire United States. Some areas may also include additional subdivisions representing the 14- and 16-digit hydrologic unit (HU). At a minimum, the HUs are delineated at 1:24,000-scale in the conterminous United States, 1:25,000-scale in Hawaii, Pacific basin and the Caribbean, and 1:63,360-scale in Alaska, meeting the National Map Accuracy Standards (NMAS). Higher resolution boundaries are being developed where partners and data exist and will be incorporated back into the WBD. WBD data are delivered as a dataset of polygons and corresponding lines that define the boundary of the polygon. WBD polygon attributes include hydrologic unit codes (HUC), size (in the form of acres and square kilometers), name, downstream hydrologic unit code, type of watershed, non-contributing areas, and flow modifications. The HUC describes where the unit is in the country and the level of the unit. WBD line attributes contain the highest level of hydrologic unit for each boundary, line source information and flow modifications.

This layer shows the road centerlines for Lake County, Indiana. It will be updated as any changes are made to the source data.

High resolution buildings dataset for Lake County, IN. The primary sources used to derive this buildings layer were 2013 LiDAR data and 2013 Ortho imagery. Ancillary data sources included GIS data provided by Lake County or created by the UVM Spatial Analysis Laboratory. This buildingsdataset is considered current as of Summer, 2013. Object-based image analysis techniques (OBIA) were employed to extract building information using the best available remotely sensed and vector GIS datasets. OBIA systems work by grouping pixels into meaningful objects based on their spectral and spatial properties, while taking into account boundaries imposed by existing vector datasets. Within the OBIA environment a rule-based expert system was designed to effectively mimic the process of manual image analysis by incorporating the elements of image interpretation (color/tone, texture, pattern, location, size, and shape) into the classification process. A series of morphological procedures were employed to insure that the end product is both accurate and cartographically pleasing. Following the automated OBIA mapping a detailed manual review of the dataset was carried out at a scale of 1:2,500 and all observable errors were corrected.This dataset contains footprints for buildings and some large out buildings. Many garages and sheds are not included in this dataset.

Point layer showing the locations of all fire stations within Lake County, Indiana. The layer was originally updated and verified in the summer/fall of 2016 by the GIS department. It has since been updated several times as any additions or subtractions involving the data are discovered. It will continue to be updated in the same manner.

Section polygon layer that is best to be used for graphic representation in mapping or other visual products. Section lines will best align with section corner point layer, but may not accurately represent the real world section lines.

This dataset was created from the National Hydrography Dataset water bodies feature class. Processes were run in order to only include the water bodies related to Lake County, Indiana. A definition query was then run to only include the water bodies classified as lakes. Then only named lakes were exported to this feature class. Information on the National Hydrography Dataset can be found below:The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface water drainage system. NHD data was originally developed at 1:100,000-scale and exists at that scale for the whole country. This high-resolution NHD, generally developed at 1:24,000/1:12,000 scale, adds detail to the original 1:100,000-scale NHD. (Data for Alaska, Puerto Rico and the Virgin Islands was developed at high-resolution, not 1:100,000 scale.) Local resolution NHD is being developed where partners and data exist. The NHD contains reach codes for networked features, flow direction, names, and centerline representations for areal water bodies. Reaches are also defined on waterbodies and the approximate shorelines of the Great Lakes, the Atlantic and Pacific Oceans and the Gulf of Mexico. The NHD also incorporates the National Spatial Data Infrastructure framework criteria established by the Federal Geographic Data Committee.