{
  "dataset": "Ohio lake-type waterbodies reported to EPA ATTAINS",
  "scope": "Every lake-type assessment unit Ohio reports, not only those with a page on plainlakes.com.",
  "state": {
    "code": "OH",
    "name": "Ohio",
    "url": "https://plainlakes.com/state/ohio/"
  },
  "reporting_cycles": "2026",
  "count": 7,
  "sources": [
    {
      "source": "EPA ATTAINS",
      "vintage": "Reporting cycles 1987–2026"
    },
    {
      "source": "USGS National Water Information System",
      "vintage": "Trailing 365 days, through 2026-08-16"
    }
  ],
  "license": "https://plainlakes.com/terms/",
  "attribution": "PlainLakes (plainlakes.com), compiled from EPA ATTAINS and USGS NWIS",
  "disclaimer": "Assessment verdicts are the decisions of the state agency or tribal nation that filed them, as published to EPA ATTAINS, and are reproduced without modification. PlainLakes is not affiliated with the federal government.",
  "waterbodies": [
    {
      "assessment_unit_id": "OHLE041202000303",
      "name": "Lake Erie Central Basin Open Water (>3m)",
      "water_type": "Great Lakes Open Water",
      "size": {
        "value": 2544.98,
        "units": "Square Miles"
      },
      "overall_status": "Not Supporting",
      "epa_ir_category": "5",
      "cycle_last_assessed": "2026",
      "integrated_report": {
        "status": "Organization Public Comment",
        "cycle": "2026",
        "decided_in_open_cycle": true
      },
      "trophic_status": null,
      "designated_uses": {
        "fish_consumption": {
          "status": "Not Supporting",
          "ruled_on": [
            "Human Health - Fish Consumption"
          ],
          "threatened": null
        },
        "recreation": {
          "status": "Fully Supporting",
          "ruled_on": [
            "Recreation - Bathing Waters"
          ],
          "threatened": null
        },
        "aquatic_life": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "drinking_water": {
          "status": "Fully Supporting",
          "ruled_on": [
            "Water Supply - Public Drinking"
          ],
          "threatened": null
        }
      },
      "listed_causes": 1,
      "uses_assessed": 3,
      "uses_assessed_filed_by_epa": 0,
      "listed_causes_filed_by_epa": 0,
      "usgs_gauge_site_no": null,
      "url": "https://plainlakes.com/lake/lake-erie-central-basin-open-water-3m-oh/"
    },
    {
      "assessment_unit_id": "OHLE041202000301",
      "name": "Lake Erie Western Basin Open Water (>3m)",
      "water_type": "Great Lakes Open Water",
      "size": {
        "value": 527.3,
        "units": "Square Miles"
      },
      "overall_status": "Not Supporting",
      "epa_ir_category": "5",
      "cycle_last_assessed": "2026",
      "integrated_report": {
        "status": "Organization Public Comment",
        "cycle": "2026",
        "decided_in_open_cycle": true
      },
      "trophic_status": null,
      "designated_uses": {
        "fish_consumption": {
          "status": "Not Supporting",
          "ruled_on": [
            "Human Health - Fish Consumption"
          ],
          "threatened": null
        },
        "recreation": {
          "status": "Not Supporting",
          "ruled_on": [
            "Recreation - Bathing Waters"
          ],
          "threatened": null
        },
        "aquatic_life": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "drinking_water": {
          "status": "Not Supporting",
          "ruled_on": [
            "Water Supply - Public Drinking"
          ],
          "threatened": null
        }
      },
      "listed_causes": 2,
      "uses_assessed": 3,
      "uses_assessed_filed_by_epa": 0,
      "listed_causes_filed_by_epa": 0,
      "usgs_gauge_site_no": null,
      "url": "https://plainlakes.com/lake/lake-erie-western-basin-open-water-3m-oh/"
    },
    {
      "assessment_unit_id": "OHLE041202000302",
      "name": "Lake Erie Sandusky Basin Open Water (>3m)",
      "water_type": "Great Lakes Open Water",
      "size": {
        "value": 361.71,
        "units": "Square Miles"
      },
      "overall_status": "Not Supporting",
      "epa_ir_category": "5",
      "cycle_last_assessed": "2026",
      "integrated_report": {
        "status": "Organization Public Comment",
        "cycle": "2026",
        "decided_in_open_cycle": true
      },
      "trophic_status": null,
      "designated_uses": {
        "fish_consumption": {
          "status": "Not Supporting",
          "ruled_on": [
            "Human Health - Fish Consumption"
          ],
          "threatened": null
        },
        "recreation": {
          "status": "Fully Supporting",
          "ruled_on": [
            "Recreation - Bathing Waters"
          ],
          "threatened": null
        },
        "aquatic_life": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "drinking_water": {
          "status": "Not Supporting",
          "ruled_on": [
            "Water Supply - Public Drinking"
          ],
          "threatened": null
        }
      },
      "listed_causes": 2,
      "uses_assessed": 3,
      "uses_assessed_filed_by_epa": 0,
      "listed_causes_filed_by_epa": 0,
      "usgs_gauge_site_no": null,
      "url": "https://plainlakes.com/lake/lake-erie-sandusky-basin-open-water-3m-oh/"
    },
    {
      "assessment_unit_id": "OHLE041202000202",
      "name": "Lake Erie Sandusky Basin Shoreline (<=3m)",
      "water_type": "Great Lakes Open Water",
      "size": {
        "value": 68.01,
        "units": "Square Miles"
      },
      "overall_status": "Not Supporting",
      "epa_ir_category": "5",
      "cycle_last_assessed": "2026",
      "integrated_report": {
        "status": "Organization Public Comment",
        "cycle": "2026",
        "decided_in_open_cycle": true
      },
      "trophic_status": null,
      "designated_uses": {
        "fish_consumption": {
          "status": "Not Supporting",
          "ruled_on": [
            "Human Health - Fish Consumption"
          ],
          "threatened": null
        },
        "recreation": {
          "status": "Not Supporting",
          "ruled_on": [
            "Recreation - Bathing Waters"
          ],
          "threatened": null
        },
        "aquatic_life": {
          "status": "Not Supporting",
          "ruled_on": [
            "Aquatic Life - Exceptional Warmwater Habitat"
          ],
          "threatened": null
        },
        "drinking_water": {
          "status": "Not Supporting",
          "ruled_on": [
            "Water Supply - Public Drinking"
          ],
          "threatened": null
        }
      },
      "listed_causes": 8,
      "uses_assessed": 4,
      "uses_assessed_filed_by_epa": 0,
      "listed_causes_filed_by_epa": 0,
      "usgs_gauge_site_no": null,
      "url": "https://plainlakes.com/lake/lake-erie-sandusky-basin-shoreline-3m-oh/"
    },
    {
      "assessment_unit_id": "OHLE041202000201",
      "name": "Lake Erie Western Basin Shoreline (<=3m)",
      "water_type": "Great Lakes Open Water",
      "size": {
        "value": 47.88,
        "units": "Square Miles"
      },
      "overall_status": "Not Supporting",
      "epa_ir_category": "5",
      "cycle_last_assessed": "2026",
      "integrated_report": {
        "status": "Organization Public Comment",
        "cycle": "2026",
        "decided_in_open_cycle": true
      },
      "trophic_status": null,
      "designated_uses": {
        "fish_consumption": {
          "status": "Not Supporting",
          "ruled_on": [
            "Human Health - Fish Consumption"
          ],
          "threatened": null
        },
        "recreation": {
          "status": "Not Supporting",
          "ruled_on": [
            "Recreation - Bathing Waters"
          ],
          "threatened": null
        },
        "aquatic_life": {
          "status": "Not Supporting",
          "ruled_on": [
            "Aquatic Life - Exceptional Warmwater Habitat"
          ],
          "threatened": null
        },
        "drinking_water": {
          "status": "Not Supporting",
          "ruled_on": [
            "Water Supply - Public Drinking"
          ],
          "threatened": null
        }
      },
      "listed_causes": 7,
      "uses_assessed": 4,
      "uses_assessed_filed_by_epa": 0,
      "listed_causes_filed_by_epa": 0,
      "usgs_gauge_site_no": null,
      "url": "https://plainlakes.com/lake/lake-erie-western-basin-shoreline-3m-oh/"
    },
    {
      "assessment_unit_id": "OHLE041202000203",
      "name": "Lake Erie Central Basin Shoreline (<=3m)",
      "water_type": "Great Lakes Open Water",
      "size": {
        "value": 13.39,
        "units": "Square Miles"
      },
      "overall_status": "Not Supporting",
      "epa_ir_category": "5",
      "cycle_last_assessed": "2026",
      "integrated_report": {
        "status": "Organization Public Comment",
        "cycle": "2026",
        "decided_in_open_cycle": true
      },
      "trophic_status": null,
      "designated_uses": {
        "fish_consumption": {
          "status": "Not Supporting",
          "ruled_on": [
            "Human Health - Fish Consumption"
          ],
          "threatened": null
        },
        "recreation": {
          "status": "Not Supporting",
          "ruled_on": [
            "Recreation - Bathing Waters"
          ],
          "threatened": null
        },
        "aquatic_life": {
          "status": "Not Supporting",
          "ruled_on": [
            "Aquatic Life - Exceptional Warmwater Habitat"
          ],
          "threatened": null
        },
        "drinking_water": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        }
      },
      "listed_causes": 6,
      "uses_assessed": 3,
      "uses_assessed_filed_by_epa": 0,
      "listed_causes_filed_by_epa": 0,
      "usgs_gauge_site_no": null,
      "url": "https://plainlakes.com/lake/lake-erie-central-basin-shoreline-3m-oh/"
    },
    {
      "assessment_unit_id": "OHLE041202000101",
      "name": "Lake Erie Islands Shoreline (<=3m)",
      "water_type": "Great Lakes Open Water",
      "size": {
        "value": 4.99,
        "units": "Square Miles"
      },
      "overall_status": "Not Supporting",
      "epa_ir_category": "5",
      "cycle_last_assessed": "2026",
      "integrated_report": {
        "status": "Organization Public Comment",
        "cycle": "2026",
        "decided_in_open_cycle": true
      },
      "trophic_status": null,
      "designated_uses": {
        "fish_consumption": {
          "status": "Not Supporting",
          "ruled_on": [
            "Human Health - Fish Consumption"
          ],
          "threatened": null
        },
        "recreation": {
          "status": "Not Supporting",
          "ruled_on": [
            "Recreation - Bathing Waters"
          ],
          "threatened": null
        },
        "aquatic_life": {
          "status": "Not Supporting",
          "ruled_on": [
            "Aquatic Life - Exceptional Warmwater Habitat"
          ],
          "threatened": null
        },
        "drinking_water": {
          "status": "Not Supporting",
          "ruled_on": [
            "Water Supply - Public Drinking"
          ],
          "threatened": null
        }
      },
      "listed_causes": 7,
      "uses_assessed": 4,
      "uses_assessed_filed_by_epa": 0,
      "listed_causes_filed_by_epa": 0,
      "usgs_gauge_site_no": null,
      "url": "https://plainlakes.com/lake/lake-erie-islands-shoreline-3m-oh/"
    }
  ]
}