{
  "lake": {
    "id": "il-carlyle",
    "name": "Carlyle Lake",
    "fullPoolElevationFt": 445
  },
  "stale": false,
  "fetchedAt": "2026-11-08T06:52:20.869Z",
  "lakeId": "il-carlyle",
  "level": {
    "elevationFt": 444.39,
    "observedAt": "2026-11-08T06:30:00.000Z",
    "provisional": false,
    "source": "USACE CWMS MVS CARLYLE"
  },
  "relativeToFullPoolFt": -0.6,
  "ramps": [
    {
      "kind": "ramp",
      "id": "idnr-wildlife-management-area",
      "name": "IDNR WILDLIFE MANAGEMENT AREA",
      "status": "unknown",
      "depthOverRampFt": null,
      "elevationSource": "unknown",
      "confidence": "none",
      "lat": 38.84286,
      "lng": -89.19314,
      "coordConfidence": "entrance",
      "accessTier": "public",
      "website": "https://www.mvs.usace.army.mil/Missions/Recreation/Carlyle-Lake/",
      "phone": "(618) 425-3533",
      "amenities": {
        "lanes": 1,
        "carSpaces": 260,
        "trailerSpaces": 25,
        "restrooms": true,
        "city": "Vandalia",
        "state": "IL",
        "source": "USACE RecreationSite_Status"
      }
    },
    {
      "kind": "ramp",
      "id": "north-fork-boat-access",
      "name": "NORTH FORK BOAT ACCESS",
      "status": "unknown",
      "depthOverRampFt": null,
      "elevationSource": "unknown",
      "confidence": "none",
      "lat": 38.741225,
      "lng": -89.19339,
      "coordConfidence": "entrance",
      "accessTier": "public",
      "website": "https://www.mvs.usace.army.mil/Missions/Recreation/Carlyle-Lake/",
      "amenities": {
        "lanes": 1,
        "carSpaces": 4,
        "trailerSpaces": 6,
        "city": "Boulder",
        "state": "IL",
        "source": "USACE RecreationSite_Status"
      }
    },
    {
      "kind": "ramp",
      "id": "wood-duck-boat-access",
      "name": "WOOD DUCK BOAT ACCESS",
      "status": "unknown",
      "depthOverRampFt": null,
      "elevationSource": "unknown",
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      "lat": 38.718763,
      "lng": -89.19801,
      "coordConfidence": "entrance",
      "accessTier": "public",
      "website": "https://www.mvs.usace.army.mil/Missions/Recreation/Carlyle-Lake/",
      "amenities": {
        "lanes": 1,
        "carSpaces": 5,
        "trailerSpaces": 6,
        "city": "Boulder",
        "state": "IL",
        "source": "USACE RecreationSite_Status"
      }
    },
    {
      "kind": "ramp",
      "id": "patoka-boat-access",
      "name": "PATOKA BOAT ACCESS",
      "status": "unknown",
      "depthOverRampFt": null,
      "elevationSource": "unknown",
      "confidence": "none",
      "lat": 38.766374,
      "lng": -89.21386,
      "coordConfidence": "entrance",
      "accessTier": "public",
      "website": "https://www.mvs.usace.army.mil/Missions/Recreation/Carlyle-Lake/",
      "amenities": {
        "lanes": 2,
        "carSpaces": 15,
        "trailerSpaces": 40,
        "city": "Boulder",
        "state": "IL",
        "source": "USACE RecreationSite_Status"
      }
    },
    {
      "kind": "ramp",
      "id": "boulder-recreation-area",
      "name": "BOULDER RECREATION AREA",
      "status": "unknown",
      "depthOverRampFt": null,
      "elevationSource": "unknown",
      "confidence": "none",
      "lat": 38.695353,
      "lng": -89.23158,
      "coordConfidence": "entrance",
      "accessTier": "public",
      "website": "https://www.mvs.usace.army.mil/Missions/Recreation/Carlyle-Lake/",
      "phone": "(618) 226-3586",
      "amenities": {
        "lanes": 5,
        "carSpaces": 99,
        "trailerSpaces": 127,
        "restrooms": true,
        "city": "Boulder",
        "state": "IL",
        "source": "USACE RecreationSite_Status"
      }
    },
    {
      "kind": "ramp",
      "id": "boulder-marina",
      "name": "BOULDER MARINA",
      "status": "unknown",
      "depthOverRampFt": null,
      "elevationSource": "unknown",
      "confidence": "none",
      "lat": 38.693603,
      "lng": -89.232864,
      "coordConfidence": "business",
      "accessTier": "marina",
      "website": "https://bouldermarina.com/",
      "phone": "(618) 226-3223",
      "amenities": {
        "lanes": 1,
        "carSpaces": 100,
        "trailerSpaces": 50,
        "restrooms": true,
        "city": "Shattuc",
        "state": "IL",
        "source": "USACE RecreationSite_Status"
      }
    },
    {
      "kind": "ramp",
      "id": "tamalco-boat-access",
      "name": "TAMALCO BOAT ACCESS",
      "status": "unknown",
      "depthOverRampFt": null,
      "elevationSource": "unknown",
      "confidence": "none",
      "lat": 38.7696,
      "lng": -89.257,
      "coordConfidence": "entrance",
      "accessTier": "public",
      "website": "https://www.mvs.usace.army.mil/Missions/Recreation/Carlyle-Lake/",
      "amenities": {
        "lanes": 3,
        "carSpaces": 25,
        "trailerSpaces": 60,
        "restrooms": true,
        "city": "Keyesport",
        "state": "IL",
        "source": "USACE RecreationSite_Status"
      }
    },
    {
      "kind": "ramp",
      "id": "coles-creek-recreation-area",
      "name": "COLES CREEK RECREATION AREA",
      "status": "unknown",
      "depthOverRampFt": null,
      "elevationSource": "unknown",
      "confidence": "none",
      "lat": 38.657284,
      "lng": -89.26634,
      "coordConfidence": "entrance",
      "accessTier": "public",
      "website": "https://www.mvs.usace.army.mil/Missions/Recreation/Carlyle-Lake/",
      "phone": "(618) 226-3211",
      "amenities": {
        "lanes": 5,
        "carSpaces": 260,
        "trailerSpaces": 100,
        "restrooms": true,
        "city": "Carlyle",
        "state": "IL",
        "source": "USACE RecreationSite_Status"
      }
    },
    {
      "kind": "ramp",
      "id": "horseshoe-island-boat-access",
      "name": "HORSESHOE ISLAND BOAT ACCESS",
      "status": "unknown",
      "depthOverRampFt": null,
      "elevationSource": "unknown",
      "confidence": "none",
      "lat": 38.746533,
      "lng": -89.27059,
      "coordConfidence": "entrance",
      "accessTier": "public",
      "website": "https://www.mvs.usace.army.mil/Missions/Recreation/Carlyle-Lake/",
      "amenities": {
        "lanes": 1,
        "carSpaces": 25,
        "trailerSpaces": 40,
        "city": "Keyesport",
        "state": "IL",
        "source": "USACE RecreationSite_Status"
      }
    },
    {
      "kind": "ramp",
      "id": "keyesport-recreation-area",
      "name": "KEYESPORT RECREATION AREA",
      "status": "unknown",
      "depthOverRampFt": null,
      "elevationSource": "unknown",
      "confidence": "none",
      "lat": 38.734239,
      "lng": -89.275576,
      "coordConfidence": "entrance",
      "accessTier": "public",
      "website": "https://www.mvs.usace.army.mil/Missions/Recreation/Carlyle-Lake/",
      "amenities": {
        "lanes": 4,
        "carSpaces": 82,
        "trailerSpaces": 97,
        "restrooms": true,
        "city": "Keyesport",
        "state": "IL",
        "source": "USACE RecreationSite_Status"
      }
    },
    {
      "kind": "ramp",
      "id": "dam-east-recreation-area",
      "name": "DAM EAST RECREATION AREA",
      "status": "unknown",
      "depthOverRampFt": null,
      "elevationSource": "unknown",
      "confidence": "none",
      "lat": 38.615911,
      "lng": -89.31658,
      "coordConfidence": "entrance",
      "accessTier": "public",
      "website": "https://www.mvs.usace.army.mil/Missions/Recreation/Carlyle-Lake/",
      "amenities": {
        "lanes": 6,
        "carSpaces": 141,
        "trailerSpaces": 76,
        "restrooms": true,
        "city": "Carlyle",
        "state": "IL",
        "source": "USACE RecreationSite_Status"
      }
    },
    {
      "kind": "ramp",
      "id": "idnr-hazlet-state-park",
      "name": "IDNR HAZLET STATE PARK",
      "status": "unknown",
      "depthOverRampFt": null,
      "elevationSource": "unknown",
      "confidence": "none",
      "lat": 38.669041,
      "lng": -89.32399,
      "coordConfidence": "entrance",
      "accessTier": "public",
      "website": "https://www.mvs.usace.army.mil/Missions/Recreation/Carlyle-Lake/",
      "phone": "(618) 594-3015",
      "amenities": {
        "lanes": 9,
        "carSpaces": 475,
        "trailerSpaces": 200,
        "restrooms": true,
        "city": "Carlyle",
        "state": "IL",
        "source": "USACE RecreationSite_Status"
      }
    },
    {
      "kind": "ramp",
      "id": "general-dean-recreation-area",
      "name": "GENERAL DEAN RECREATION AREA",
      "status": "unknown",
      "depthOverRampFt": null,
      "elevationSource": "unknown",
      "confidence": "none",
      "lat": 38.611297,
      "lng": -89.35617,
      "coordConfidence": "entrance",
      "accessTier": "public",
      "website": "https://www.mvs.usace.army.mil/Missions/Recreation/Carlyle-Lake/",
      "amenities": {
        "lanes": 1,
        "carSpaces": 51,
        "trailerSpaces": 11,
        "restrooms": true,
        "city": "Carlyle",
        "state": "IL",
        "source": "USACE RecreationSite_Status"
      }
    },
    {
      "kind": "ramp",
      "id": "dam-west-marina",
      "name": "DAM WEST MARINA",
      "status": "unknown",
      "depthOverRampFt": null,
      "elevationSource": "unknown",
      "confidence": "none",
      "lat": 38.627634,
      "lng": -89.358306,
      "coordConfidence": "business",
      "accessTier": "marina",
      "website": "http://www.dwphome.com/",
      "phone": "(618) 322-2319",
      "amenities": {
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        "carSpaces": 50,
        "trailerSpaces": 125,
        "city": "Carlyle",
        "state": "IL",
        "source": "USACE RecreationSite_Status"
      }
    },
    {
      "kind": "ramp",
      "id": "dam-west-recreation-area",
      "name": "DAM WEST RECREATION AREA",
      "status": "unknown",
      "depthOverRampFt": null,
      "elevationSource": "unknown",
      "confidence": "none",
      "lat": 38.625854,
      "lng": -89.36077,
      "coordConfidence": "entrance",
      "accessTier": "public",
      "website": "https://www.mvs.usace.army.mil/Missions/Recreation/Carlyle-Lake/",
      "phone": "(618) 594-2484",
      "amenities": {
        "lanes": 6,
        "carSpaces": 519,
        "trailerSpaces": 189,
        "restrooms": true,
        "city": "Carlyle",
        "state": "IL",
        "source": "USACE RecreationSite_Status"
      }
    }
  ],
  "bridges": [],
  "rampsSurveyed": false,
  "bestGuess": {
    "likelihood": "likely-usable",
    "basis": "0.6 ft below full pool",
    "belowNormal": false,
    "relToNormalLowFt": 1.4
  }
}