{
  "dataset": "Wyoming lake-type waterbodies reported to EPA ATTAINS",
  "scope": "Every lake-type assessment unit Wyoming reports, not only those with a page on plainlakes.com.",
  "state": {
    "code": "WY",
    "name": "Wyoming",
    "url": "https://plainlakes.com/state/wyoming/"
  },
  "reporting_cycles": "1998–2024",
  "count": 14,
  "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": "WYBH100800050607_02",
      "name": "Boysen Reservoir",
      "water_type": "Reservoir",
      "size": {
        "value": 19386.96,
        "units": "Acres"
      },
      "overall_status": "Not Assessed",
      "epa_ir_category": "3",
      "cycle_last_assessed": "2024",
      "integrated_report": {
        "status": "EPA Interim Action",
        "cycle": "2024",
        "decided_in_open_cycle": true
      },
      "trophic_status": null,
      "designated_uses": {
        "fish_consumption": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "recreation": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "aquatic_life": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "drinking_water": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        }
      },
      "listed_causes": 0,
      "uses_assessed": 0,
      "uses_assessed_filed_by_epa": 0,
      "listed_causes_filed_by_epa": 0,
      "usgs_gauge_site_no": null,
      "url": "https://plainlakes.com/lake/boysen-reservoir-wy/"
    },
    {
      "assessment_unit_id": "WYNP101800080405_01",
      "name": "Glendo Reservoir",
      "water_type": "Lake, Freshwater",
      "size": {
        "value": 12049.8,
        "units": "Acres"
      },
      "overall_status": "Fully Supporting",
      "epa_ir_category": "2",
      "cycle_last_assessed": "2008",
      "integrated_report": {
        "status": "EPA Interim Action",
        "cycle": "2024",
        "decided_in_open_cycle": false
      },
      "trophic_status": "Unknown",
      "designated_uses": {
        "fish_consumption": {
          "status": "Fully Supporting",
          "ruled_on": [
            "Fish Consumption"
          ],
          "threatened": null
        },
        "recreation": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "aquatic_life": {
          "status": "Fully Supporting",
          "ruled_on": [
            "Aquatic Life Other Than Fish",
            "Cold Water Fishery"
          ],
          "threatened": null
        },
        "drinking_water": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        }
      },
      "listed_causes": 0,
      "uses_assessed": 6,
      "uses_assessed_filed_by_epa": 0,
      "listed_causes_filed_by_epa": 0,
      "usgs_gauge_site_no": null,
      "url": "https://plainlakes.com/lake/glendo-reservoir-wy/"
    },
    {
      "assessment_unit_id": "WYBH100800050202_01",
      "name": "Ocean Lake",
      "water_type": "Lake, Freshwater",
      "size": {
        "value": 6075.8,
        "units": "Acres"
      },
      "overall_status": "Not Supporting",
      "epa_ir_category": "4A",
      "cycle_last_assessed": "2005",
      "integrated_report": {
        "status": "EPA Interim Action",
        "cycle": "2024",
        "decided_in_open_cycle": false
      },
      "trophic_status": "Unknown",
      "designated_uses": {
        "fish_consumption": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "recreation": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "aquatic_life": {
          "status": "Not Supporting",
          "ruled_on": [
            "Aquatic Life Other Than Fish",
            "Warm Water Fishery"
          ],
          "threatened": null
        },
        "drinking_water": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        }
      },
      "listed_causes": 1,
      "uses_assessed": 2,
      "uses_assessed_filed_by_epa": 0,
      "listed_causes_filed_by_epa": 0,
      "usgs_gauge_site_no": null,
      "url": "https://plainlakes.com/lake/ocean-lake-wy/"
    },
    {
      "assessment_unit_id": "WYBH100800010104_01",
      "name": "Brooks Lake",
      "water_type": "Lake/Reservoir/Pond",
      "size": {
        "value": 209,
        "units": "Acres"
      },
      "overall_status": "Not Supporting",
      "epa_ir_category": "5",
      "cycle_last_assessed": "2018",
      "integrated_report": {
        "status": "EPA Interim Action",
        "cycle": "2024",
        "decided_in_open_cycle": false
      },
      "trophic_status": null,
      "designated_uses": {
        "fish_consumption": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "recreation": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "aquatic_life": {
          "status": "Not Supporting",
          "ruled_on": [
            "Aquatic Life Other Than Fish",
            "Cold Water Fishery",
            "Non-Game Fish"
          ],
          "threatened": null
        },
        "drinking_water": {
          "status": null,
          "ruled_on": null,
          "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/brooks-lake-wy/"
    },
    {
      "assessment_unit_id": "WYNP101800100403_01",
      "name": "Meeboer Lake",
      "water_type": "Lake, Freshwater",
      "size": {
        "value": 115.8,
        "units": "Acres"
      },
      "overall_status": "Fully Supporting",
      "epa_ir_category": "2",
      "cycle_last_assessed": "2006",
      "integrated_report": {
        "status": "EPA Interim Action",
        "cycle": "2024",
        "decided_in_open_cycle": false
      },
      "trophic_status": "Mesotrophic",
      "designated_uses": {
        "fish_consumption": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "recreation": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "aquatic_life": {
          "status": "Fully Supporting",
          "ruled_on": [
            "Aquatic Life Other Than Fish",
            "Cold Water Fishery"
          ],
          "threatened": null
        },
        "drinking_water": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        }
      },
      "listed_causes": 0,
      "uses_assessed": 5,
      "uses_assessed_filed_by_epa": 0,
      "listed_causes_filed_by_epa": 0,
      "usgs_gauge_site_no": null,
      "url": "https://plainlakes.com/lake/meeboer-lake-wy/"
    },
    {
      "assessment_unit_id": "WYNP101800070302_02",
      "name": "Rasmus Lee Lake",
      "water_type": "Lake, Freshwater",
      "size": {
        "value": 85.16,
        "units": "Acres"
      },
      "overall_status": "Not Supporting",
      "epa_ir_category": "5",
      "cycle_last_assessed": "1999",
      "integrated_report": {
        "status": "EPA Interim Action",
        "cycle": "2024",
        "decided_in_open_cycle": false
      },
      "trophic_status": "Unknown",
      "designated_uses": {
        "fish_consumption": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "recreation": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "aquatic_life": {
          "status": "Not Supporting",
          "ruled_on": [
            "Aquatic Life Other Than Fish"
          ],
          "threatened": null
        },
        "drinking_water": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        }
      },
      "listed_causes": 1,
      "uses_assessed": 1,
      "uses_assessed_filed_by_epa": 0,
      "listed_causes_filed_by_epa": 0,
      "usgs_gauge_site_no": null,
      "url": "https://plainlakes.com/lake/rasmus-lee-lake-wy/"
    },
    {
      "assessment_unit_id": "WYNP101800070703_01",
      "name": "Thirty-three Mile Reservoir",
      "water_type": "Lake, Freshwater",
      "size": {
        "value": 30.2,
        "units": "Acres"
      },
      "overall_status": "Not Supporting",
      "epa_ir_category": "5",
      "cycle_last_assessed": "1999",
      "integrated_report": {
        "status": "EPA Interim Action",
        "cycle": "2024",
        "decided_in_open_cycle": false
      },
      "trophic_status": "Unknown",
      "designated_uses": {
        "fish_consumption": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "recreation": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "aquatic_life": {
          "status": "Not Supporting",
          "ruled_on": [
            "Aquatic Life Other Than Fish"
          ],
          "threatened": null
        },
        "drinking_water": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        }
      },
      "listed_causes": 1,
      "uses_assessed": 1,
      "uses_assessed_filed_by_epa": 0,
      "listed_causes_filed_by_epa": 0,
      "usgs_gauge_site_no": null,
      "url": "https://plainlakes.com/lake/thirty-three-mile-reservoir-wy/"
    },
    {
      "assessment_unit_id": "WYNP101800070302_03",
      "name": "Goose Lake",
      "water_type": "Lake, Freshwater",
      "size": {
        "value": 30.1,
        "units": "Acres"
      },
      "overall_status": "Not Supporting",
      "epa_ir_category": "5",
      "cycle_last_assessed": "1999",
      "integrated_report": {
        "status": "EPA Interim Action",
        "cycle": "2024",
        "decided_in_open_cycle": false
      },
      "trophic_status": "Unknown",
      "designated_uses": {
        "fish_consumption": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "recreation": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "aquatic_life": {
          "status": "Not Supporting",
          "ruled_on": [
            "Aquatic Life Other Than Fish"
          ],
          "threatened": null
        },
        "drinking_water": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        }
      },
      "listed_causes": 1,
      "uses_assessed": 1,
      "uses_assessed_filed_by_epa": 0,
      "listed_causes_filed_by_epa": 0,
      "usgs_gauge_site_no": null,
      "url": "https://plainlakes.com/lake/goose-lake-wy/"
    },
    {
      "assessment_unit_id": "WYNP101800050502_01",
      "name": "Shirley Basin Reservoir",
      "water_type": "Lake, Freshwater",
      "size": {
        "value": 15.5,
        "units": "Acres"
      },
      "overall_status": "Fully Supporting",
      "epa_ir_category": "2",
      "cycle_last_assessed": "2006",
      "integrated_report": {
        "status": "EPA Interim Action",
        "cycle": "2024",
        "decided_in_open_cycle": false
      },
      "trophic_status": "Mesotrophic",
      "designated_uses": {
        "fish_consumption": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "recreation": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "aquatic_life": {
          "status": "Fully Supporting",
          "ruled_on": [
            "Aquatic Life Other Than Fish",
            "Cold Water Fishery"
          ],
          "threatened": null
        },
        "drinking_water": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        }
      },
      "listed_causes": 0,
      "uses_assessed": 5,
      "uses_assessed_filed_by_epa": 0,
      "listed_causes_filed_by_epa": 0,
      "usgs_gauge_site_no": null,
      "url": "https://plainlakes.com/lake/shirley-basin-reservoir-wy/"
    },
    {
      "assessment_unit_id": "WYBF101202010601_01",
      "name": "Gillette Fishing Lake",
      "water_type": "Lake, Freshwater",
      "size": {
        "value": 15.4,
        "units": "Acres"
      },
      "overall_status": "Not Supporting",
      "epa_ir_category": "4A",
      "cycle_last_assessed": "1998",
      "integrated_report": {
        "status": "EPA Interim Action",
        "cycle": "2024",
        "decided_in_open_cycle": false
      },
      "trophic_status": "Eutrophic",
      "designated_uses": {
        "fish_consumption": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "recreation": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "aquatic_life": {
          "status": "Not Supporting",
          "ruled_on": [
            "Aquatic Life Other Than Fish",
            "Cold Water Fishery"
          ],
          "threatened": null
        },
        "drinking_water": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        }
      },
      "listed_causes": 2,
      "uses_assessed": 2,
      "uses_assessed_filed_by_epa": 0,
      "listed_causes_filed_by_epa": 0,
      "usgs_gauge_site_no": null,
      "url": "https://plainlakes.com/lake/gillette-fishing-lake-wy/"
    },
    {
      "assessment_unit_id": "WYNP101800100204_01",
      "name": "Miller Lake",
      "water_type": "Lake, Freshwater",
      "size": {
        "value": 7.6,
        "units": "Acres"
      },
      "overall_status": "Fully Supporting",
      "epa_ir_category": "2",
      "cycle_last_assessed": "2006",
      "integrated_report": {
        "status": "EPA Interim Action",
        "cycle": "2024",
        "decided_in_open_cycle": false
      },
      "trophic_status": "Mesotrophic",
      "designated_uses": {
        "fish_consumption": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "recreation": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "aquatic_life": {
          "status": "Fully Supporting",
          "ruled_on": [
            "Aquatic Life Other Than Fish",
            "Cold Water Fishery"
          ],
          "threatened": null
        },
        "drinking_water": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        }
      },
      "listed_causes": 0,
      "uses_assessed": 5,
      "uses_assessed_filed_by_epa": 0,
      "listed_causes_filed_by_epa": 0,
      "usgs_gauge_site_no": null,
      "url": "https://plainlakes.com/lake/miller-lake-wy/"
    },
    {
      "assessment_unit_id": "WYNP101800100603_01",
      "name": "Hanging Lake",
      "water_type": "Lake, Freshwater",
      "size": {
        "value": 3.8,
        "units": "Acres"
      },
      "overall_status": "Fully Supporting",
      "epa_ir_category": "2",
      "cycle_last_assessed": "2008",
      "integrated_report": {
        "status": "EPA Interim Action",
        "cycle": "2024",
        "decided_in_open_cycle": false
      },
      "trophic_status": "Oligotrophic",
      "designated_uses": {
        "fish_consumption": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "recreation": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "aquatic_life": {
          "status": "Fully Supporting",
          "ruled_on": [
            "Aquatic Life Other Than Fish",
            "Cold Water Fishery"
          ],
          "threatened": null
        },
        "drinking_water": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        }
      },
      "listed_causes": 0,
      "uses_assessed": 5,
      "uses_assessed_filed_by_epa": 0,
      "listed_causes_filed_by_epa": 0,
      "usgs_gauge_site_no": null,
      "url": "https://plainlakes.com/lake/hanging-lake-wy/"
    },
    {
      "assessment_unit_id": "WYNP101800070503_01",
      "name": "Illco Pond",
      "water_type": "Lake, Freshwater",
      "size": {
        "value": 1.1,
        "units": "Acres"
      },
      "overall_status": "Not Supporting",
      "epa_ir_category": "5",
      "cycle_last_assessed": "1999",
      "integrated_report": {
        "status": "EPA Interim Action",
        "cycle": "2024",
        "decided_in_open_cycle": false
      },
      "trophic_status": "Unknown",
      "designated_uses": {
        "fish_consumption": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "recreation": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "aquatic_life": {
          "status": "Not Supporting",
          "ruled_on": [
            "Aquatic Life Other Than Fish"
          ],
          "threatened": null
        },
        "drinking_water": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        }
      },
      "listed_causes": 1,
      "uses_assessed": 1,
      "uses_assessed_filed_by_epa": 0,
      "listed_causes_filed_by_epa": 0,
      "usgs_gauge_site_no": null,
      "url": "https://plainlakes.com/lake/illco-pond-wy/"
    },
    {
      "assessment_unit_id": "WYNP101800100603_02",
      "name": "Snowy Range Lakes",
      "water_type": "Lake, Freshwater",
      "size": {
        "value": 0.7,
        "units": "Acres"
      },
      "overall_status": "Fully Supporting",
      "epa_ir_category": "2",
      "cycle_last_assessed": "1999",
      "integrated_report": {
        "status": "EPA Interim Action",
        "cycle": "2024",
        "decided_in_open_cycle": false
      },
      "trophic_status": "Oligotrophic",
      "designated_uses": {
        "fish_consumption": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "recreation": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        },
        "aquatic_life": {
          "status": "Fully Supporting",
          "ruled_on": [
            "Aquatic Life Other Than Fish",
            "Cold Water Fishery"
          ],
          "threatened": null
        },
        "drinking_water": {
          "status": null,
          "ruled_on": null,
          "threatened": null
        }
      },
      "listed_causes": 0,
      "uses_assessed": 5,
      "uses_assessed_filed_by_epa": 0,
      "listed_causes_filed_by_epa": 0,
      "usgs_gauge_site_no": null,
      "url": "https://plainlakes.com/lake/snowy-range-lakes-wy/"
    }
  ]
}