{
  "generated_at": "2026-05-11T18:44:52.278174+00:00",
  "known_limitations": [
    "Polling-place next election dates and voter-registration deadlines are not populated by the source layer.",
    "Some garbage route segments do not include a service_day value; these are preserved as nulls.",
    "Many street segments without street_name are driveways, private roads, Opelika-adjacent segments, or unclassified GIS features.",
    "The raw hydrants.fire_zone source field is almost empty; export includes derived fire_zone_spatial from Auburn fire-zone polygons.",
    "A few source records have null geometry and are preserved rather than inferred."
  ],
  "quality_labels": {
    "complete": "No nulls and more than one distinct value.",
    "constant": "One distinct non-null value; useful mostly as source context.",
    "derived": "Created during export from official source geometry or metadata.",
    "source_empty": "No non-null values in the source/export.",
    "sparse": "At least 50% null, but the source has some useful values."
  },
  "tables": {
    "addresses": {
      "columns": {
        "address_number": {
          "distinct_count": 3807,
          "label": "complete",
          "null_count": 1,
          "null_percentage": 0.0
        },
        "full_address": {
          "distinct_count": 48216,
          "label": "complete",
          "null_count": 2,
          "null_percentage": 0.0
        },
        "geometry_wkt": {
          "distinct_count": 48308,
          "label": "derived",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "latitude": {
          "distinct_count": 48308,
          "label": "derived",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "longitude": {
          "distinct_count": 48308,
          "label": "derived",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "mailing_city": {
          "distinct_count": 8,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "objectid": {
          "distinct_count": 48314,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "state": {
          "distinct_count": 2,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "street_name": {
          "distinct_count": 1150,
          "label": "complete",
          "null_count": 1,
          "null_percentage": 0.0
        },
        "street_post_dir": {
          "distinct_count": 4,
          "label": "sparse",
          "null_count": 43631,
          "null_percentage": 90.3
        },
        "street_post_type": {
          "distinct_count": 0,
          "label": "source_empty",
          "null_count": 48314,
          "null_percentage": 100.0
        },
        "street_pre_dir": {
          "distinct_count": 5,
          "label": "sparse",
          "null_count": 31555,
          "null_percentage": 65.3
        },
        "street_pre_type": {
          "distinct_count": 5,
          "label": "sparse",
          "null_count": 43617,
          "null_percentage": 90.3
        },
        "sub_address": {
          "distinct_count": 4540,
          "label": "complete",
          "null_count": 22904,
          "null_percentage": 47.4
        },
        "sub_address_type": {
          "distinct_count": 6,
          "label": "sparse",
          "null_count": 43615,
          "null_percentage": 90.3
        },
        "zip": {
          "distinct_count": 6682,
          "label": "complete",
          "null_count": 62,
          "null_percentage": 0.1
        }
      },
      "display_name": "Addresses",
      "geometry_type": "point",
      "record_count": 48314,
      "table": "auburn.addresses"
    },
    "city_limits": {
      "columns": {
        "acres": {
          "distinct_count": 3,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "geometry_wkt": {
          "distinct_count": 3,
          "label": "derived",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "objectid": {
          "distinct_count": 3,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "shape_area": {
          "distinct_count": 3,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "shape_length": {
          "distinct_count": 3,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "type": {
          "distinct_count": 3,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        }
      },
      "display_name": "City Limits",
      "geometry_type": "polygon",
      "record_count": 3,
      "table": "auburn.city_limits"
    },
    "fire_stations": {
      "columns": {
        "address": {
          "distinct_count": 8,
          "label": "complete",
          "null_count": 4,
          "null_percentage": 30.8
        },
        "geometry_wkt": {
          "distinct_count": 13,
          "label": "derived",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "latitude": {
          "distinct_count": 13,
          "label": "derived",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "longitude": {
          "distinct_count": 13,
          "label": "derived",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "objectid": {
          "distinct_count": 13,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "organization_name": {
          "distinct_count": 3,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "station_number": {
          "distinct_count": 9,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "street": {
          "distinct_count": 9,
          "label": "complete",
          "null_count": 4,
          "null_percentage": 30.8
        }
      },
      "display_name": "Fire Stations",
      "geometry_type": "point",
      "record_count": 13,
      "table": "auburn.fire_stations"
    },
    "fire_zones": {
      "columns": {
        "geometry_wkt": {
          "distinct_count": 45,
          "label": "derived",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "objectid": {
          "distinct_count": 47,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "shape_area": {
          "distinct_count": 45,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "shape_length": {
          "distinct_count": 45,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "zone_code": {
          "distinct_count": 43,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        }
      },
      "display_name": "Fire Zones",
      "geometry_type": "polygon",
      "record_count": 47,
      "table": "auburn.fire_zones"
    },
    "flood_plain": {
      "columns": {
        "ar_revert": {
          "distinct_count": 1,
          "label": "constant",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "ar_subtype_reverted": {
          "distinct_count": 1,
          "label": "constant",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "bfe_revert": {
          "distinct_count": 1,
          "label": "constant",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "depth": {
          "distinct_count": 1,
          "label": "constant",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "depth_revert": {
          "distinct_count": 1,
          "label": "constant",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "dfirm_id": {
          "distinct_count": 1,
          "label": "constant",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "dual_zone": {
          "distinct_count": 1,
          "label": "constant",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "fld_ar_id": {
          "distinct_count": 953,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "flood_zone": {
          "distinct_count": 3,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "geometry_wkt": {
          "distinct_count": 953,
          "label": "derived",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "is_special_flood_hazard": {
          "distinct_count": 2,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "length_unit": {
          "distinct_count": 1,
          "label": "constant",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "objectid": {
          "distinct_count": 953,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "shape_area": {
          "distinct_count": 953,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "shape_length": {
          "distinct_count": 953,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "source_citation": {
          "distinct_count": 3,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "static_bfe": {
          "distinct_count": 1,
          "label": "constant",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "study_type": {
          "distinct_count": 2,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "velocity": {
          "distinct_count": 1,
          "label": "constant",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "velocity_unit": {
          "distinct_count": 1,
          "label": "constant",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "version_id": {
          "distinct_count": 1,
          "label": "constant",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "vertical_datum": {
          "distinct_count": 1,
          "label": "constant",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "zone_subtype": {
          "distinct_count": 3,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        }
      },
      "display_name": "Flood Plain",
      "geometry_type": "polygon",
      "record_count": 953,
      "table": "auburn.flood_plain"
    },
    "garbage_routes": {
      "columns": {
        "geometry_wkt": {
          "distinct_count": 6952,
          "label": "derived",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "objectid": {
          "distinct_count": 6952,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "service_day": {
          "distinct_count": 4,
          "label": "complete",
          "null_count": 1901,
          "null_percentage": 27.3
        },
        "shape_length": {
          "distinct_count": 6952,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "street_name": {
          "distinct_count": 1536,
          "label": "complete",
          "null_count": 2276,
          "null_percentage": 32.7
        }
      },
      "display_name": "Garbage Pickup Routes",
      "geometry_type": "polyline",
      "record_count": 6952,
      "table": "auburn.garbage_routes"
    },
    "hydrants": {
      "columns": {
        "facility_id": {
          "distinct_count": 3641,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "fire_zone": {
          "distinct_count": 1,
          "label": "sparse",
          "null_count": 3652,
          "null_percentage": 100.0
        },
        "fire_zone_spatial": {
          "distinct_count": 35,
          "label": "derived",
          "null_count": 69,
          "null_percentage": 1.9
        },
        "geometry_wkt": {
          "distinct_count": 3653,
          "label": "derived",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "install_year": {
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          "label": "sparse",
          "null_count": 2554,
          "null_percentage": 69.9
        },
        "last_gpm": {
          "distinct_count": 158,
          "label": "complete",
          "null_count": 387,
          "null_percentage": 10.6
        },
        "last_static": {
          "distinct_count": 120,
          "label": "complete",
          "null_count": 409,
          "null_percentage": 11.2
        },
        "latitude": {
          "distinct_count": 3653,
          "label": "derived",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "location": {
          "distinct_count": 2549,
          "label": "complete",
          "null_count": 530,
          "null_percentage": 14.5
        },
        "longitude": {
          "distinct_count": 3653,
          "label": "derived",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "maintained_by": {
          "distinct_count": 7,
          "label": "complete",
          "null_count": 1,
          "null_percentage": 0.0
        },
        "objectid": {
          "distinct_count": 3653,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "owned_by": {
          "distinct_count": 7,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "subtype_code": {
          "distinct_count": 3,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        }
      },
      "display_name": "Fire Hydrants",
      "geometry_type": "point",
      "record_count": 3653,
      "table": "auburn.hydrants"
    },
    "parcels": {
      "columns": {
        "acres": {
          "distinct_count": 32975,
          "label": "complete",
          "null_count": 0,
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        },
        "acres_county_str": {
          "distinct_count": 2249,
          "label": "complete",
          "null_count": 22,
          "null_percentage": 0.1
        },
        "deedbook": {
          "distinct_count": 1518,
          "label": "complete",
          "null_count": 22,
          "null_percentage": 0.1
        },
        "deedpage": {
          "distinct_count": 1061,
          "label": "complete",
          "null_count": 22,
          "null_percentage": 0.1
        },
        "deedyr": {
          "distinct_count": 104,
          "label": "complete",
          "null_count": 321,
          "null_percentage": 1.0
        },
        "geometry_wkt": {
          "distinct_count": 33025,
          "label": "derived",
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          "null_percentage": 0.0
        },
        "objectid": {
          "distinct_count": 33050,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "owner": {
          "distinct_count": 25212,
          "label": "complete",
          "null_count": 22,
          "null_percentage": 0.1
        },
        "parcel": {
          "distinct_count": 32487,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "pin": {
          "distinct_count": 32471,
          "label": "complete",
          "null_count": 22,
          "null_percentage": 0.1
        },
        "shape_area": {
          "distinct_count": 32979,
          "label": "complete",
          "null_count": 1,
          "null_percentage": 0.0
        },
        "shape_length": {
          "distinct_count": 32992,
          "label": "complete",
          "null_count": 1,
          "null_percentage": 0.0
        },
        "subdivision_name": {
          "distinct_count": 2887,
          "label": "complete",
          "null_count": 28,
          "null_percentage": 0.1
        }
      },
      "display_name": "Parcels",
      "geometry_type": "polygon",
      "record_count": 33050,
      "table": "auburn.parcels"
    },
    "police_beats": {
      "columns": {
        "beat_number": {
          "distinct_count": 14,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "geometry_wkt": {
          "distinct_count": 14,
          "label": "derived",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "objectid": {
          "distinct_count": 14,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        }
      },
      "display_name": "Police Beats",
      "geometry_type": "polygon",
      "record_count": 14,
      "table": "auburn.police_beats"
    },
    "polling_places": {
      "columns": {
        "city": {
          "distinct_count": 1,
          "label": "constant",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "contact_name": {
          "distinct_count": 2,
          "label": "complete",
          "null_count": 1,
          "null_percentage": 20.0
        },
        "email": {
          "distinct_count": 1,
          "label": "constant",
          "null_count": 2,
          "null_percentage": 40.0
        },
        "full_address": {
          "distinct_count": 5,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "geometry_wkt": {
          "distinct_count": 5,
          "label": "derived",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "handicap_accessible": {
          "distinct_count": 1,
          "label": "constant",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "last_editor": {
          "distinct_count": 1,
          "label": "constant",
          "null_count": 1,
          "null_percentage": 20.0
        },
        "last_updated": {
          "distinct_count": 4,
          "label": "complete",
          "null_count": 1,
          "null_percentage": 20.0
        },
        "latitude": {
          "distinct_count": 5,
          "label": "derived",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "longitude": {
          "distinct_count": 5,
          "label": "derived",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "next_election_date": {
          "distinct_count": 0,
          "label": "source_empty",
          "null_count": 5,
          "null_percentage": 100.0
        },
        "objectid": {
          "distinct_count": 5,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "phone": {
          "distinct_count": 2,
          "label": "complete",
          "null_count": 1,
          "null_percentage": 20.0
        },
        "polling_hours": {
          "distinct_count": 1,
          "label": "constant",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "polling_id": {
          "distinct_count": 5,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "polling_location": {
          "distinct_count": 5,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "state": {
          "distinct_count": 1,
          "label": "constant",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "voter_registration_deadline": {
          "distinct_count": 0,
          "label": "source_empty",
          "null_count": 5,
          "null_percentage": 100.0
        }
      },
      "display_name": "Polling Places",
      "geometry_type": "point",
      "record_count": 5,
      "table": "auburn.polling_places"
    },
    "school_property": {
      "columns": {
        "acres": {
          "distinct_count": 38,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "geometry_wkt": {
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        },
        "objectid": {
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          "label": "complete",
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        },
        "property_name": {
          "distinct_count": 1,
          "label": "constant",
          "null_count": 0,
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        },
        "shape_area": {
          "distinct_count": 38,
          "label": "complete",
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        },
        "shape_length": {
          "distinct_count": 38,
          "label": "complete",
          "null_count": 0,
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        }
      },
      "display_name": "School Property",
      "geometry_type": "polygon",
      "record_count": 38,
      "table": "auburn.school_property"
    },
    "schools": {
      "columns": {
        "geometry_wkt": {
          "distinct_count": 14,
          "label": "derived",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "id": {
          "distinct_count": 4,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "latitude": {
          "distinct_count": 14,
          "label": "derived",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "longitude": {
          "distinct_count": 14,
          "label": "derived",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "objectid": {
          "distinct_count": 14,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "school_code": {
          "distinct_count": 14,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "school_name": {
          "distinct_count": 14,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        }
      },
      "display_name": "Schools",
      "geometry_type": "point",
      "record_count": 14,
      "table": "auburn.schools"
    },
    "streets": {
      "columns": {
        "bike_facility": {
          "distinct_count": 2,
          "label": "complete",
          "null_count": 0,
          "null_percentage": 0.0
        },
        "classification": {
          "distinct_count": 12,
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