USGS Water Monitoring MCP Server

by olyport Your server? Claim it

answering

USGS Water Monitoring is answering right now. Last checked 10 min ago. It exposes 3 tools.

Real-time water levels and flow rates from USGS stream gauges

Uptime history 47 days of history

47 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

552 ms

Response time

average over 24h

open, no key

Access

streamable-http

Nothing serious here today

Today is the operative word: we check USGS Water Monitoring every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 10 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add water --transport http https://mcp.olyport.com/water/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "water": {
      "url": "https://mcp.olyport.com/water/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.water]
url = "https://mcp.olyport.com/water/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "water": {
      "url": "https://mcp.olyport.com/water/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "water": {
      "url": "https://mcp.olyport.com/water/mcp"
    }
  }
}

Available tools 3

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

flood

get_flood_status

Get current flood conditions for USGS monitoring sites in a state. Returns sites where water levels are above flood stage, indicating active flooding or near-flood conditions. Checks the most recent instantaneous values against known flood stages. Args: state: Two-letter US state abbreviation (e.g. 'CA', 'TX', 'LA').

sites

get_sites_by_state

Find USGS water monitoring sites in a state. Returns a list of monitoring stations with their site numbers, names, and locations. Use site numbers with get_water_levels to retrieve data. Args: state: Two-letter US state abbreviation (e.g. 'CA', 'TX'). site_type: Type of monitoring site. 'ST' for stream/river, 'GW' for groundwater well, 'SP' for spring. limit: Maximum number of sites to return (default 50).

water

get_water_levels

Get recent water level and streamflow data for a USGS monitoring site. Returns time-series data including discharge (streamflow) and gage height for the specified monitoring station. Args: site_number: USGS site number (e.g. '01646500' for Potomac River at Little Falls). days: Number of days of data to retrieve (default 7, max 120).

Endpoints

URL	Transport	State	Latency	Checked
https://mcp.olyport.com/water/mcp	streamable-http	answering	548 ms	10 min ago

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USGS Water Monitoring — questions

Answers built from our own checks of this server.

What can USGS Water Monitoring do?

It exposes 3 tools, read directly from the server on our last check. Among them: get_flood_status, get_sites_by_state, get_water_levels. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is USGS Water Monitoring working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 552 ms. The bar chart above shows every period we have measured.

How do I connect USGS Water Monitoring?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does USGS Water Monitoring need an API key?

No. USGS Water Monitoring completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is USGS Water Monitoring?

It answers our handshake in 552 ms on average, which is faster than 24% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.