USGS NHD Surface Water & Section 404 Wetland Screener
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Screen any lat/lon against USGS NHDPlus HR surface water. 94 fields: exact distance to the nearest perennial, intermittent and ephemeral reach, waterbody type and purpose, mean annual flow, stream order, HUC-8/10/12, a jurisdictional-likelihood call with its reasoning, and a Section 404/WOTUS flag.
Connect the USGS NHD Section 404 Surface Water Screener API Actor to an AI application through the Apify MCP server. MCP clients with OAuth support sign you in to Apify without an API token.
{ "mcpServers": { "apify": { "type": "http", "url": "https://mcp.apify.com/?tools=fetch-actor-details,malonestar/nhd-surface-water-404-screener" } }}Add the configuration above to your project's .mcp.json file for Claude Code, then run /mcp in Claude Code to sign in to Apify. It connects to the hosted Apify MCP server with the USGS NHD Section 404 Surface Water Screener API Actor already loaded. Clients without OAuth support can authenticate with an Authorization: Bearer header carrying an API token from API & Integrations in Apify Console.
For other MCP clients, get a client-specific configuration with the USGS NHD Section 404 Surface Water Screener API Actor preconfigured at https://mcp.apify.com/?tools=fetch-actor-details,malonestar/nhd-surface-water-404-screener.
You can connect to the Apify MCP server using an MCP client that supports Streamable HTTP.
If you want to learn more about our Apify MCP implementation, check out our MCP documentation. To learn more about the Model Context Protocol in general, refer to the official MCP documentation or read our blog post.