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LDEQ Louisiana Environmental

No authldeq

Louisiana DEQ water-quality datasets. AGOL Feature Services, no auth. - search303dImpairedWaters ⭐ — IR2020 subsegments where a designated use is Not Supported (303(d)) - searchSubsegmentsByUse ⭐ — same layer, any use-rating - searchWatershedBasins (12), searchAmbientMonitoringSites (~761 LEAU active), searchFishAdvisories (62) - getServiceInfo quirks: subsegments + flowlines have NO parish — use BASIN (12 names: ATCHAFALAYA / CALCASIEU / ...) or bbox. Use codes: PCR/SCR/FWP/DWS/ONR/OYS/AGR/LAL. Status: Fully Supported / Not Supported / Insufficient Data / Not a Use / No Data Collected. Fish Advisories' Parishes is free-text ("Calcasieu and Cameron"); LIKE-matched. Air emissions + hazardous waste are NOT published as LDEQ Feature Services.

environmentallouisianaldeqwater-quality303dimpaired-waterstmdlfish-advisoriesambient-monitoring
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Provenance

PublisherLDEQ Louisiana Environmental
API basehttps://services1.arcgis.com/9rICeNyq0Isx42vD/arcgis/rest/services

Freshness & coverage

FreshnessFreshness not declared
GeographicNot declared
TemporalNot declared
AuthenticationNo credentials required

Methods (6)

  • search303dImpairedWaters

    unknown

    303(d) impaired subsegments — designated use rated Not Supported. Defaults to PCR.

    Input schema
    {
  "type": "object",
  "properties": {
    "designatedUse": {
      "oneOf": [
        {
          "type": "string",
          "enum": [
            "PCR"
          ]
        },
        {
          "type": "string",
          "enum": [
            "SCR"
          ]
        },
        {
          "type": "string",
          "enum": [
            "FWP"
          ]
        },
        {
          "type": "string",
          "enum": [
            "DWS"
          ]
        },
        {
          "type": "string",
          "enum": [
            "ONR"
          ]
        },
        {
          "type": "string",
          "enum": [
            "OYS"
          ]
        },
        {
          "type": "string",
          "enum": [
            "AGR"
          ]
        },
        {
          "type": "string",
          "enum": [
            "LAL"
          ]
        }
      ]
    },
    "useStatus": {
      "oneOf": [
        {
          "type": "string",
          "enum": [
            "Fully Supported"
          ]
        },
        {
          "type": "string",
          "enum": [
            "Not Supported"
          ]
        },
        {
          "type": "string",
          "enum": [
            "Insufficient Data"
          ]
        },
        {
          "type": "string",
          "enum": [
            "Not a Use"
          ]
        },
        {
          "type": "string",
          "enum": [
            "No Data Collected"
          ]
        }
      ]
    },
    "basin": {
      "type": "string",
      "examples": [
        "CALCASIEU"
      ]
    },
    "bbox": {
      "type": "array",
      "items": {
        "type": "number"
      }
    },
    "near": {
      "type": "object",
      "properties": {
        "lat": {
          "type": "number"
        },
        "lon": {
          "type": "number"
        },
        "radiusMiles": {
          "type": "number"
        }
      },
      "required": [
        "lat",
        "lon",
        "radiusMiles"
      ],
      "additionalProperties": false
    },
    "limit": {
      "type": "number"
    },
    "format": {
      "oneOf": [
        {
          "type": "string",
          "enum": [
            "records"
          ]
        },
        {
          "type": "string",
          "enum": [
            "geojson"
          ]
        }
      ]
    },
    "verbose": {
      "type": "boolean"
    }
  },
  "additionalProperties": false
}

    Filter by designatedUse (PCR/SCR/FWP/DWS/...), basin (12 names), bbox, or near.

  • searchSubsegmentsByUse

    read

    Subsegments filtered by an arbitrary designated-use rating. Default useStatus=Fully Supported.

    Input schema
    {
  "type": "object",
  "properties": {
    "designatedUse": {
      "type": "string",
      "examples": [
        "FWP"
      ],
      "oneOf": [
        {
          "type": "string",
          "enum": [
            "PCR"
          ]
        },
        {
          "type": "string",
          "enum": [
            "SCR"
          ]
        },
        {
          "type": "string",
          "enum": [
            "FWP"
          ]
        },
        {
          "type": "string",
          "enum": [
            "DWS"
          ]
        },
        {
          "type": "string",
          "enum": [
            "ONR"
          ]
        },
        {
          "type": "string",
          "enum": [
            "OYS"
          ]
        },
        {
          "type": "string",
          "enum": [
            "AGR"
          ]
        },
        {
          "type": "string",
          "enum": [
            "LAL"
          ]
        }
      ]
    },
    "useStatus": {
      "type": "string",
      "examples": [
        "Fully Supported"
      ],
      "oneOf": [
        {
          "type": "string",
          "enum": [
            "Fully Supported"
          ]
        },
        {
          "type": "string",
          "enum": [
            "Not Supported"
          ]
        },
        {
          "type": "string",
          "enum": [
            "Insufficient Data"
          ]
        },
        {
          "type": "string",
          "enum": [
            "Not a Use"
          ]
        },
        {
          "type": "string",
          "enum": [
            "No Data Collected"
          ]
        }
      ]
    },
    "basin": {
      "type": "string"
    },
    "bbox": {
      "type": "array",
      "items": {
        "type": "number"
      }
    },
    "near": {
      "type": "object",
      "properties": {
        "lat": {
          "type": "number"
        },
        "lon": {
          "type": "number"
        },
        "radiusMiles": {
          "type": "number"
        }
      },
      "required": [
        "lat",
        "lon",
        "radiusMiles"
      ],
      "additionalProperties": false
    },
    "limit": {
      "type": "number"
    },
    "format": {
      "oneOf": [
        {
          "type": "string",
          "enum": [
            "records"
          ]
        },
        {
          "type": "string",
          "enum": [
            "geojson"
          ]
        }
      ]
    },
    "verbose": {
      "type": "boolean"
    }
  },
  "additionalProperties": false
}

  • searchWatershedBasins

    read

    LDEQ watershed basin polygons (12 basins).

    Input schema
    {
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "examples": [
        "PONTCHARTRAIN"
      ]
    },
    "bbox": {
      "type": "array",
      "items": {
        "type": "number"
      }
    },
    "near": {
      "type": "object",
      "properties": {
        "lat": {
          "type": "number"
        },
        "lon": {
          "type": "number"
        },
        "radiusMiles": {
          "type": "number"
        }
      },
      "required": [
        "lat",
        "lon",
        "radiusMiles"
      ],
      "additionalProperties": false
    },
    "limit": {
      "type": "number"
    },
    "format": {
      "oneOf": [
        {
          "type": "string",
          "enum": [
            "records"
          ]
        },
        {
          "type": "string",
          "enum": [
            "geojson"
          ]
        }
      ]
    },
    "verbose": {
      "type": "boolean"
    }
  },
  "additionalProperties": false
}

  • searchAmbientMonitoringSites

    read

    LEAU active monitoring sites (~761). Filter stationType, wqsRegion, bbox, near.

    Input schema
    {
  "type": "object",
  "properties": {
    "stationType": {
      "type": "string",
      "examples": [
        "STREAM"
      ]
    },
    "wqsRegion": {
      "type": "string"
    },
    "bbox": {
      "type": "array",
      "items": {
        "type": "number"
      }
    },
    "near": {
      "type": "object",
      "properties": {
        "lat": {
          "type": "number"
        },
        "lon": {
          "type": "number"
        },
        "radiusMiles": {
          "type": "number"
        }
      },
      "required": [
        "lat",
        "lon",
        "radiusMiles"
      ],
      "additionalProperties": false
    },
    "limit": {
      "type": "number",
      "examples": [
        100
      ]
    },
    "format": {
      "oneOf": [
        {
          "type": "string",
          "enum": [
            "records"
          ]
        },
        {
          "type": "string",
          "enum": [
            "geojson"
          ]
        }
      ]
    },
    "verbose": {
      "type": "boolean"
    }
  },
  "additionalProperties": false
}

    STATION_TYPE: STREAM, LAKE, BAY/ESTUARY, CANAL, RESERVOIR, OCEAN.

  • searchFishAdvisories

    read

    Fish consumption advisories (~62). Filter by parish substring or pollutant.

    Input schema
    {
  "type": "object",
  "properties": {
    "parish": {
      "type": "string",
      "examples": [
        "Calcasieu"
      ]
    },
    "pollutant": {
      "type": "string"
    },
    "bbox": {
      "type": "array",
      "items": {
        "type": "number"
      }
    },
    "near": {
      "type": "object",
      "properties": {
        "lat": {
          "type": "number"
        },
        "lon": {
          "type": "number"
        },
        "radiusMiles": {
          "type": "number"
        }
      },
      "required": [
        "lat",
        "lon",
        "radiusMiles"
      ],
      "additionalProperties": false
    },
    "limit": {
      "type": "number"
    },
    "format": {
      "oneOf": [
        {
          "type": "string",
          "enum": [
            "records"
          ]
        },
        {
          "type": "string",
          "enum": [
            "geojson"
          ]
        }
      ]
    },
    "verbose": {
      "type": "boolean"
    }
  },
  "additionalProperties": false
}

    Parishes is a free-text list — parish="Cameron" matches "Calcasieu and Cameron".

  • getServiceInfo

    read

    Schema + record counts for any of the 6 services (LDEQ Louisiana Environmental).

    Input schema
    {
  "type": "object",
  "properties": {
    "service": {
      "type": "string",
      "examples": [
        "ir2020Subsegments"
      ]
    }
  },
  "additionalProperties": false
}