{ "dataset": "Arkansas lake-type waterbodies reported to EPA ATTAINS", "scope": "Every lake-type assessment unit Arkansas reports, not only those with a page on plainlakes.com.", "state": { "code": "AR", "name": "Arkansas", "url": "https://plainlakes.com/state/arkansas/" }, "reporting_cycles": "1992–2024", "count": 144, "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": "AR_11110202_4060", "name": "Dardanelle Lake", "water_type": "Lake, Freshwater", "size": { "value": 34041, "units": "Acres" }, "overall_status": "Fully Supporting", "epa_ir_category": "1", "cycle_last_assessed": "2020", "integrated_report": { "status": "EPA Final 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": "Fully Supporting", "ruled_on": [ "Aquatic Life" ], "threatened": null }, "drinking_water": { "status": "Fully Supporting", "ruled_on": [ "Domestic Water Supply" ], "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/dardanelle-lake-ar/" }, { "assessment_unit_id": "AR_11140109_4020", "name": "Millwood Lake", "water_type": "Lake, Freshwater", "size": { "value": 29500, "units": "Acres" }, "overall_status": "Fully Supporting", "epa_ir_category": "2", "cycle_last_assessed": "2020", "integrated_report": { "status": "EPA Final Action", "cycle": "2024", "decided_in_open_cycle": false }, "trophic_status": null, "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" ], "threatened": null }, "drinking_water": { "status": "Fully Supporting", "ruled_on": [ "Domestic Water Supply" ], "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/millwood-lake-ar-2/" }, { "assessment_unit_id": "AR_08040101_4062", "name": "Ouachita Lake", "water_type": "Lake, Freshwater", "size": { "value": 24695, "units": "Acres" }, "overall_status": "Fully Supporting", "epa_ir_category": "2", "cycle_last_assessed": "2020", "integrated_report": { "status": "EPA Final Action", "cycle": "2024", "decided_in_open_cycle": false }, "trophic_status": null, "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" ], "threatened": null }, "drinking_water": { "status": "Fully Supporting", "ruled_on": [ "Domestic Water Supply" ], "threatened": null } }, "listed_causes": 0, "uses_assessed": 7, "uses_assessed_filed_by_epa": 0, "listed_causes_filed_by_epa": 0, "usgs_gauge_site_no": null, "url": "https://plainlakes.com/lake/ouachita-lake-ar-2/" }, { "assessment_unit_id": "AR_11010003_4011", "name": "Bull Shoals", "water_type": "Lake, Freshwater", "size": { "value": 22046, "units": "Acres" }, "overall_status": "Not Supporting", "epa_ir_category": "5", "cycle_last_assessed": "2022", "integrated_report": { "status": "EPA Final 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" ], "threatened": null }, "drinking_water": { "status": "Fully Supporting", "ruled_on": [ "Domestic Water Supply" ], "threatened": null } }, "listed_causes": 1, "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/bull-shoals-ar-2/" }, { "assessment_unit_id": "AR_11010014_4021", "name": "Greers Ferry Lake", "water_type": "Lake, Freshwater", "size": { "value": 18151, "units": "Acres" }, "overall_status": "Fully Supporting", "epa_ir_category": "1", "cycle_last_assessed": "2022", "integrated_report": { "status": "EPA Final 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": "Fully Supporting", "ruled_on": [ "Aquatic Life" ], "threatened": null }, "drinking_water": { "status": "Fully Supporting", "ruled_on": [ "Domestic Water Supply" ], "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/greers-ferry-lake-ar/" }, { "assessment_unit_id": "AR_08040202_4100", "name": "Felsenthal Lake", "water_type": "Lake, Freshwater", "size": { "value": 14000, "units": "Acres" }, "overall_status": "Not Supporting", "epa_ir_category": "4A", "cycle_last_assessed": "2010", "integrated_report": { "status": "EPA Final Action", "cycle": "2024", "decided_in_open_cycle": false }, "trophic_status": null, "designated_uses": { "fish_consumption": { "status": "Not Supporting", "ruled_on": [ "Fish Consumption" ], "threatened": null }, "recreation": { "status": null, "ruled_on": null, "threatened": null }, "aquatic_life": { "status": "Fully Supporting", "ruled_on": [ "Aquatic Life" ], "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/felsenthal-lake-ar-2/" }, { "assessment_unit_id": "AR_11010006_4011", "name": "Norfork Lake", "water_type": "Lake, Freshwater", "size": { "value": 13833, "units": "Acres" }, "overall_status": "Not Supporting", "epa_ir_category": "5", "cycle_last_assessed": "2022", "integrated_report": { "status": "EPA Final 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" ], "threatened": null }, "drinking_water": { "status": "Fully Supporting", "ruled_on": [ "Domestic Water Supply" ], "threatened": null } }, "listed_causes": 1, "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/norfork-lake-ar-2/" }, { "assessment_unit_id": "AR_11010001_4045", "name": "Beaver Lake", "water_type": "Lake, Freshwater", "size": { "value": 13546, "units": "Acres" }, "overall_status": "Fully Supporting", "epa_ir_category": "1", "cycle_last_assessed": "2022", "integrated_report": { "status": "EPA Final 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": "Fully Supporting", "ruled_on": [ "Aquatic Life" ], "threatened": null }, "drinking_water": { "status": "Fully Supporting", "ruled_on": [ "Domestic Water Supply" ], "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/beaver-lake-ar-3/" }, { "assessment_unit_id": "AR_11010014_4020", "name": "Greers Ferry Lake", "water_type": "Lake, Freshwater", "size": { "value": 12883, "units": "Acres" }, "overall_status": "Fully Supporting", "epa_ir_category": "1", "cycle_last_assessed": "2022", "integrated_report": { "status": "EPA Final 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": "Fully Supporting", "ruled_on": [ "Aquatic Life" ], "threatened": null }, "drinking_water": { "status": "Fully Supporting", "ruled_on": [ "Domestic Water Supply" ], "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/greers-ferry-lake-ar-2/" }, { "assessment_unit_id": "AR_11010003_4010", "name": "Bull Shoals", "water_type": "Lake, Freshwater", "size": { "value": 11498, "units": "Acres" }, "overall_status": "Not Supporting", "epa_ir_category": "5", "cycle_last_assessed": "2022", "integrated_report": { "status": "EPA Final 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" ], "threatened": null }, "drinking_water": { "status": "Fully Supporting", "ruled_on": [ "Domestic Water Supply" ], "threatened": null } }, "listed_causes": 1, "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/bull-shoals-ar/" }, { "assessment_unit_id": "AR_11140109_4021", "name": "Millwood Lake", "water_type": "Lake, Freshwater", "size": { "value": 10344, "units": "Acres" }, "overall_status": "Fully Supporting", "epa_ir_category": "1", "cycle_last_assessed": "2022", "integrated_report": { "status": "EPA Final 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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": "Fully Supporting", "ruled_on": [ "Aquatic Life" ], "threatened": null }, "drinking_water": { "status": "Fully Supporting", "ruled_on": [ "Domestic Water Supply" ], "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/de-gray-lake-ar-2/" }, { "assessment_unit_id": "AR_11010001_4043", "name": "Beaver Lake", "water_type": "Lake, Freshwater", "size": { "value": 8353, "units": "Acres" }, "overall_status": "Fully Supporting", "epa_ir_category": "1", "cycle_last_assessed": "2022", "integrated_report": { "status": "EPA Final Action", "cycle": "2024", "decided_in_open_cycle": false }, "trophic_status": null, "designated_uses": 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