cwa12

Map Output Object

GovernmentEnvironmentalOpen DataAir QualityWater QualityHazardous WasteComplianceEmissions

Properties

Name Type Description
IconBaseURL string URL where all the icons are located
MapData array An array of facility geospatial information.
PopUpBaseURL string Combine this URL with the PUC to get popup info
QueryID string Sequential number assigned to entire search result
View JSON Schema on GitHub

JSON Schema

echo-cwa-cwa12-schema.json Raw ↑
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/epa/refs/heads/main/json-schema/echo-cwa-cwa12-schema.json",
  "title": "cwa12",
  "description": "Map Output Object",
  "type": "object",
  "properties": {
    "IconBaseURL": {
      "description": "URL where all the icons are located",
      "example": "https://echo.epa.gov/app/map/icons/",
      "title": "Icon Base URL",
      "type": "string"
    },
    "MapData": {
      "description": "An array of facility geospatial information.",
      "items": {
        "$ref": "#/definitions/cwa11"
      },
      "title": "Map Data",
      "type": "array",
      "xml": {
        "name": "MapData",
        "wrapped": true
      },
      "example": [
        "string"
      ]
    },
    "PopUpBaseURL": {
      "description": "Combine this URL with the PUC to get popup info",
      "example": "https://echodata.epa.gov/echo/cwa_rest_services.pop_up?p_id=",
      "title": "Popup Base URL",
      "type": "string"
    },
    "QueryID": {
      "description": "Sequential number assigned to entire search result",
      "example": "245",
      "title": "Query Identifier",
      "type": "string"
    }
  },
  "required": [
    "QueryID",
    "IconBaseURL",
    "PopUpBaseURL",
    "MapData"
  ]
}

Work with this as data

Every JSON Schema here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for schemas

4 MCP tools reach this
  • find_json_schemasBrowse and filter every JSON Schema in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools

Call it yourself

curl for this page
This JSON Schema
curl "https://apis.io/api/v1/json-schemas/echo-cwa-cwa12"
All schemas
curl "https://apis.io/api/v1/json-schemas?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

A second provider on the same verified email joins the account you already have.