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MT Department of Environmental Quality

No authmt-deq

Montana Department of Environmental Quality USTs + petroleum tank releases + MPDES water permits + air-quality monitoring + hazardous waste via gis.mtdeq.us/hosting. - searchUSTFacilities ⭐ 1.1K UST facility registry - searchTankReleases ⭐ 4.5K PTC cleanup events (Resolved/Open/Rescinded/Reopened) - searchWaterPermits ⭐ 2.7K MPDES discharge permits across 27 types - searchAirQualityMonitors ⭐ 21M hourly AQS readings (33 sites, PM25/O3/NO2/...) - searchHazardousWaste 3K RCRA generators §0: Native CRS 32100 (MT State Plane); outSR=4326. Host historically flaky — handler retries once. Most layers have NO county column (only Hazardous Waste does).

environmentalusttank-releaseswater-permitsair-qualityhazardous-wastemontanamt-deq
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Provenance

PublisherMT Department of Environmental Quality
API basehttps://gis.mtdeq.us/hosting/rest/services/Hosted

Freshness & coverage

FreshnessFreshness not declared
GeographicNot declared
TemporalNot declared
AuthenticationNo credentials required

Methods (6)

  • searchUSTFacilities

    read

    MT UST facility registry (~1.1K). Filter facilityName/city/zip/facilityCode.

    Input schema
    {
  "type": "object",
  "properties": {
    "facilityName": {
      "type": "string"
    },
    "city": {
      "type": "string",
      "examples": [
        "Billings"
      ]
    },
    "zip": {
      "type": "string"
    },
    "facilityCode": {
      "type": "number"
    },
    "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"
          ]
        }
      ]
    }
  },
  "additionalProperties": false
}

    No county column — use bbox/near for spatial.

  • searchTankReleases

    read

    MT PTC Releases (~4.5K). Filter status/leadProgram/facilityName/cause/source/dates.

    Input schema
    {
  "type": "object",
  "properties": {
    "status": {
      "type": "string",
      "examples": [
        "Open"
      ]
    },
    "leadProgram": {
      "type": "string"
    },
    "facilityName": {
      "type": "string"
    },
    "releaseFacilityId": {
      "type": "string"
    },
    "cause": {
      "type": "string"
    },
    "source": {
      "type": "string"
    },
    "dateFrom": {
      "type": "string"
    },
    "dateTo": {
      "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"
          ]
        }
      ]
    }
  },
  "additionalProperties": false
}

    Status: Resolved/Open/Rescinded/Reopened. Lead programs PTC + CPRS.

  • searchWaterPermits

    read

    MT FACTS MPDES Permits (~2.7K). Filter permitType/status/permittee/siteName/city/expiringBefore.

    Input schema
    {
  "type": "object",
  "properties": {
    "permitType": {
      "type": "string",
      "examples": [
        "Surface Water Individual"
      ]
    },
    "status": {
      "type": "string"
    },
    "permittee": {
      "type": "string"
    },
    "siteName": {
      "type": "string"
    },
    "city": {
      "type": "string"
    },
    "permitNumber": {
      "type": "string"
    },
    "expiringBefore": {
      "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"
          ]
        }
      ]
    }
  },
  "additionalProperties": false
}

    27 permit types; status Effective/Expired/Admin Continued.

  • searchAirQualityMonitors

    read

    MT Air Quality hourly (~21.3M). Filter parameter/siteName/healthCategory/aqsCode/dates.

    Input schema
    {
  "type": "object",
  "properties": {
    "parameter": {
      "type": "string",
      "examples": [
        "PM25"
      ]
    },
    "siteName": {
      "type": "string",
      "examples": [
        "Bozeman"
      ]
    },
    "healthCategory": {
      "type": "string"
    },
    "aqsCode": {
      "type": "string"
    },
    "dateFrom": {
      "type": "string"
    },
    "dateTo": {
      "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"
          ]
        }
      ]
    }
  },
  "additionalProperties": false
}

    Always narrow with parameter+site+date. Newest-first ordering.

  • searchHazardousWaste

    read

    MT RCRA Hazardous Waste (~3.1K). Filter county/city/facilityName/generatorStatus/epaCode/naicsCode.

    Input schema
    {
  "type": "object",
  "properties": {
    "county": {
      "type": "string",
      "examples": [
        "YELLOWSTONE"
      ]
    },
    "city": {
      "type": "string"
    },
    "facilityName": {
      "type": "string"
    },
    "generatorStatus": {
      "type": "string"
    },
    "facilityStatus": {
      "type": "string"
    },
    "epaCode": {
      "type": "string"
    },
    "naicsCode": {
      "type": "number"
    },
    "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"
          ]
        }
      ]
    }
  },
  "additionalProperties": false
}

    Has fac_county UPPERCASE. gen_status: LQG/SQG/VSQG/+.

  • getServiceInfo

    read

    Schema, record counts, max-page caps, enum values, §0 probe notes for any of 5 layers.

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