[6/25/2020]

We have just updated five GIS layers onto the map. Four were provided by the Office of Land Quality, Indiana Department of Environmental Management (IDEM) and one was provided by the Indiana Department of Natural Resources (IDNR). If you are a frequent user of these data, please use the links below to access the Layer Gallery to download data and metadata for each of the layers, or view the layer inside the IndianaMap viewer:

Managed Lands (IDNR), 20200327 - Shows natural and recreation areas which are owned or managed by the Indiana Department of Natural Resources. In addition, some lands are included that are owned by federal agencies, local agencies, non-profit organizations, and conservation easements. For additional information regarding these lands, persons should contact the IDNR Indiana Natural Heritage Data Center (317-232-4052). Attributes include property names, owners, managing entities, acreages, access, and other information. Provided by personnel of the Indiana Natural Heritage Data Center, Indiana Department of Natural Resources, on March 27, 2020. View in the Map

Landfill Boundaries (IDEM), 20200528 - Shows boundaries for open dump sites, approved landfills, and permitted landfills in Indiana. Provided by personnel of Indiana Department of Environmental Management, Office of Land Quality. Data are current as of May 28, 2020. This dataset is not complete, but comprises the waste boundaries of landfills as a work in progress. IDEM will periodically updated and add new boundaries. View in the Map

Impaired Lakes - 303(d) List (IDEM, 2018) - Shows lakes in Indiana that have been included on the 2018 303(d) List of Impaired Waters submitted by IDEM to the U.S. EPA. Attributes include regulatory identification numbers (IDEM), Hydrologic Unit Code (HUC) IDs, lake names, and county names. Additional attributes contain assessment information for which the waterbody may be impaired, in relation to waterbody characteristics, water chemistry and various biological parameters. Provided by personnel of the Indiana Department of Environmental Management (IDEM), Office of Water Quality on May 28, 2020. View in the Map

Impaired Streams - 303(d) List (IDEM, 2018) - Shows streams in Indiana that have been included on the 2018 303(d) List of Impaired Waters submitted by IDEM to the U.S. EPA. Attributes include regulatory identification numbers (IDEM), Hydrologic Unit Code (HUC) IDs, stream segment names, and county names. Additional attributes contain assessment information for which the waterbody may be impaired, in relation to waterbody characteristics, water chemistry and various biological parameters. Provided by personnel of the Indiana Department of Environmental Management (IDEM), Office of Water Quality on May 28, 2020. View in the Map

Impaired Streams - TMDL (IDEM, 2018) - Shows impaired streams in Indiana from 2018 that have Total Maximum Daily Load (TMDL) reports approved by the U.S. EPA. Attributes include regulatory identification numbers (IDEM), Hydrologic Unit Code (HUC) IDs, stream segment names, and TMDL Document identification numbers arranged by impairment type (Bacteria/E. coli, Ammonia, Dissolved Oxygen, Impaired Biotic Communities, Nutrients, pH, and Siltation). Provided by personnel of the Indiana Department of Environmental Management (IDEM), Office of Water Quality on May 28, 2020. View in the Map