`tri_facility_releases`

Pack: epa-emissions · Endpoint: https://gateway.pipeworx.io/epa-emissions/mcp

Search EPA TRI toxic chemical release facilities by state, and optionally by COUNTY — “what toxic releases are reported in Harris County, Texas” is the shape these questions usually take. Returns facility location, county, type, and chemicals released with quantities in pounds.

Parameters

Name	Type	Required	Description
`state`	string	yes	Two-letter state abbreviation (e.g., “TX”, “CA”).
`county`	string	no	County name WITHOUT the word “County” — “Harris”, not “Harris County”. Matched exactly, case-insensitive.
`facility_name`	string	no	Facility name to search for (partial match).
`limit`	number	no	Max results (default 20, max 100).

Example call

Arguments

{
  "state": "TX"
}

curl

curl -X POST https://gateway.pipeworx.io/epa-emissions/mcp \
  -H 'Content-Type: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"tri_facility_releases","arguments":{"state":"TX"}}}'

TypeScript (@pipeworx/sdk)

import { Pipeworx } from '@pipeworx/sdk';
const pipeworx = new Pipeworx();

const result = await pipeworx.call('tri_facility_releases', {
  "state": "TX"
});

More examples

{
  "state": "CA",
  "facility_name": "Chemical",
  "limit": 25
}

Response shape

Always returns: count, state, facilities

Field	Type	Description
`count`	number	Number of facilities returned
`state`	string	Two-letter state abbreviation searched
`facilities`	array	Array of TRI facility records

Full JSON Schema

{
  "type": "object",
  "properties": {
    "count": {
      "type": "number",
      "description": "Number of facilities returned"
    },
    "state": {
      "type": "string",
      "description": "Two-letter state abbreviation searched"
    },
    "facilities": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "tri_facility_id": {
            "type": [
              "string",
              "null"
            ],
            "description": "TRI facility identifier"
          },
          "name": {
            "type": [
              "string",
              "null"
            ],
            "description": "Facility name"
          },
          "city": {
            "type": [
              "string",
              "null"
            ],
            "description": "City location"
          },
          "county": {
            "type": [
              "string",
              "null"
            ],
            "description": "County name"
          },
          "state": {
            "type": [
              "string",
              "null"
            ],
            "description": "State abbreviation"
          },
          "zip": {
            "type": [
              "string",
              "null"
            ],
            "description": "ZIP code"
          },
          "latitude": {
            "type": [
              "number",
              "null"
            ],
            "description": "Geographic latitude"
          },
          "longitude": {
            "type": [
              "number",
              "null"
            ],
            "description": "Geographic longitude"
          },
          "industry_sector": {
            "type": [
              "string",
              "null"
            ],
            "description": "Industry sector classification"
          }
        }
      },
      "description": "Array of TRI facility records"
    }
  },
  "required": [
    "count",
    "state",
    "facilities"
  ]
}

Connect

Add this to your MCP client config, or use one-click install buttons:

{
  "mcpServers": {
    "epa-emissions": {
      "url": "https://gateway.pipeworx.io/epa-emissions/mcp"
    }
  }
}

See Getting Started for client-specific install steps.

tri_facility_releases