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IL DNR Ecological Lands

No authil-dnr

Illinois DNR ecological consultation parcels, Natural Area Inventory, Nature Preserves + Land/Water Reserves, and E&T species habitat via geoservices3.dnr.illinois.gov. 5 curated layers across ecocat + ecocatpro. - searchNaturePreserves ⭐ 740 INPC preserves + L/W reserves (McCune Sand Prairie LWR149, ...) - searchNaturalAreaInventory ⭐ 1.5K INAI sites (categories I-VII; Bohm Woods, ...) - searchEndangeredSpeciesHabitat ⭐ 5.3K E&T species polygons - searchEcoConsultations 217.5K parcels (8 PROGRAM values) §0: 6 of 10 root folders (Forestry, heritage, IRAP, LIDAR, OREP) are EMPTY. ecocatpro objectIdField=null but pagination works with explicit orderBy. Mangled fields — site name at MANAGED__6.

state-landsnature-preservenatural-area-inventoryendangered-speciesillinoisil-dnr
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Provenance

PublisherIL DNR Ecological Lands
API basehttps://geoservices3.dnr.illinois.gov/arcgis/rest/services

Freshness & coverage

FreshnessFreshness not declared
GeographicNot declared
TemporalNot declared
AuthenticationNo credentials required

Methods (5)

  • searchNaturePreserves

    read

    IL Nature Preserves + Land/Water Reserves (~740). Filter siteName, managingAgency, minAcres, bbox.

    Input schema
    {
  "type": "object",
  "properties": {
    "siteName": {
      "type": "string",
      "examples": [
        "sand prairie"
      ]
    },
    "managingAgency": {
      "type": "string"
    },
    "minAcres": {
      "type": "number"
    },
    "bbox": {
      "type": "array",
      "items": {
        "type": "number"
      }
    },
    "near": {
      "type": "object",
      "properties": {
        "lat": {
          "type": "number"
        },
        "lon": {
          "type": "number"
        },
        "radiusMiles": {
          "type": "number"
        }
      },
      "required": [
        "lat",
        "lon",
        "radiusMiles"
      ],
      "additionalProperties": false
    },
    "limit": {
      "type": "number"
    },
    "format": {
      "oneOf": [
        {
          "type": "string",
          "enum": [
            "records"
          ]
        },
        {
          "type": "string",
          "enum": [
            "geojson"
          ]
        }
      ]
    }
  },
  "additionalProperties": false
}

    Site name at MANAGED__6 (Ma_name dup); managing agency at MANAGED__7.

  • searchNaturalAreaInventory

    read

    IL Natural Area Inventory sites (~1.5K). Filter siteName, category (I-VII), minAcres.

    Input schema
    {
  "type": "object",
  "properties": {
    "siteName": {
      "type": "string"
    },
    "category": {
      "type": "string",
      "examples": [
        "I"
      ]
    },
    "minAcres": {
      "type": "number"
    },
    "bbox": {
      "type": "array",
      "items": {
        "type": "number"
      }
    },
    "near": {
      "type": "object",
      "properties": {
        "lat": {
          "type": "number"
        },
        "lon": {
          "type": "number"
        },
        "radiusMiles": {
          "type": "number"
        }
      },
      "required": [
        "lat",
        "lon",
        "radiusMiles"
      ],
      "additionalProperties": false
    },
    "limit": {
      "type": "number"
    },
    "format": {
      "oneOf": [
        {
          "type": "string",
          "enum": [
            "records"
          ]
        },
        {
          "type": "string",
          "enum": [
            "geojson"
          ]
        }
      ]
    }
  },
  "additionalProperties": false
}

    CATEGORIES uses INAI roman numerals (e.g. "I, III" for combined sites).

  • searchEndangeredSpeciesHabitat

    read

    IL E&T species habitat polygons (~5.3K). Filter commonName, scientificName, elcode, bbox.

    Input schema
    {
  "type": "object",
  "properties": {
    "commonName": {
      "type": "string",
      "examples": [
        "Indiana bat"
      ]
    },
    "scientificName": {
      "type": "string"
    },
    "elcode": {
      "type": "string"
    },
    "bbox": {
      "type": "array",
      "items": {
        "type": "number"
      }
    },
    "near": {
      "type": "object",
      "properties": {
        "lat": {
          "type": "number"
        },
        "lon": {
          "type": "number"
        },
        "radiusMiles": {
          "type": "number"
        }
      },
      "required": [
        "lat",
        "lon",
        "radiusMiles"
      ],
      "additionalProperties": false
    },
    "limit": {
      "type": "number"
    },
    "format": {
      "oneOf": [
        {
          "type": "string",
          "enum": [
            "records"
          ]
        },
        {
          "type": "string",
          "enum": [
            "geojson"
          ]
        }
      ]
    }
  },
  "additionalProperties": false
}

    Mangled field names — common at COMMON_NAM, scientific at SCIENTIFIC.

  • searchEcoConsultations

    read

    IL EcoCat consultation parcels (~217K). Filter county, program, city, applicantName, year.

    Input schema
    {
  "type": "object",
  "properties": {
    "county": {
      "type": "string",
      "examples": [
        "Cook"
      ]
    },
    "program": {
      "type": "string"
    },
    "applicantName": {
      "type": "string"
    },
    "city": {
      "type": "string"
    },
    "projectYear": {
      "type": "string"
    },
    "bbox": {
      "type": "array",
      "items": {
        "type": "number"
      }
    },
    "near": {
      "type": "object",
      "properties": {
        "lat": {
          "type": "number"
        },
        "lon": {
          "type": "number"
        },
        "radiusMiles": {
          "type": "number"
        }
      },
      "required": [
        "lat",
        "lon",
        "radiusMiles"
      ],
      "additionalProperties": false
    },
    "limit": {
      "type": "number"
    },
    "format": {
      "oneOf": [
        {
          "type": "string",
          "enum": [
            "records"
          ]
        },
        {
          "type": "string",
          "enum": [
            "geojson"
          ]
        }
      ]
    }
  },
  "additionalProperties": false
}

    STATUS empty for all records; PROGRAM is the meaningful enum.

  • getServiceInfo

    read

    Schema, counts, INAI category codes + program enums, §0 notes for any of 5 layers.

    Input schema
    {
  "type": "object",
  "properties": {
    "service": {
      "type": "string",
      "examples": [
        "naturePreserves"
      ]
    }
  },
  "additionalProperties": false
}