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CalEPA / DTSC / OEHHA

Live

California EPA: DTSC Envirostor cleanup database, OEHHA CalEnviroScreen, and DTSC HWTS. ~13.7K cleanup sites with 13 site_types, ~8K CalEnviroScreen census tracts (a CEQA-relevant disadvantaged-community overlay), and ~107K active RCRA hazardous-waste handlers.

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About

California EPA: DTSC Envirostor cleanup database, OEHHA CalEnviroScreen, and DTSC HWTS. ~13.7K cleanup sites with 13 site_types, ~8K CalEnviroScreen census tracts (a CEQA-relevant disadvantaged-community overlay), and ~107K active RCRA hazardous-waste handlers.

View the data contract and method schemas →

Setup

A few steps to connect your AI agents to CalEPA / DTSC / OEHHA.

Get started
  1. 1

    Enable Environmental APIs

    Set ENABLE_ENVIRONMENTAL_APIS=true for your deployment.

  2. 2

    Toggle Connector On

    Open /mcp and turn on CalEPA / DTSC / OEHHA with the environmental switch.

  3. 3

    Start Querying

    Ask your AI agent for the data you need — it discovers this connector's methods automatically.

Connect to your AI assistant

Pick the tool your team uses for the exact setup steps.

  1. 1

    Open Claude settings

    Launch Claude, click the profile button (bottom left), and go to Settings.

  2. 2

    Access connectors

    Open the Connectors tab, scroll to the bottom, and click “Add custom connector”.

  3. 3

    Name your connector

    Enter any name you’d like for this connector.

  4. 4

    Get the connector URL

    Log in to PatchOps, open the /mcp page, and copy the connector URL you want to use.

  5. 5

    Add the connector

    Paste the URL into the “Remote MCP server URL” box and click Add.

  6. 6

    Start using

    Your CalEPA / DTSC / OEHHA connector is ready to use in Claude.