Real-time USGS Water Services via MCP
🟢 OnlineThis Model Context Protocol (MCP) server provides real-time Potomac River water level and flow data from USGS stations. Get current conditions, historical context, and trend analysis for Georgetown and Little Falls monitoring stations.
Main MCP protocol endpoint
https://water-services-mcp.dudgeon.workers.dev/
Server-Sent Events endpoint
https://water-services-mcp.dudgeon.workers.dev/sse
get_potomac_conditions - Complete current conditions including water level and flow rate with historical context and trend analysis
Primary tool: Provides comprehensive overview from both Georgetown and Little Falls stationsget_potomac_gage_depth - Georgetown water level with 7-day range and 90-minute trend
For focused water depth analysisget_potomac_flow - Little Falls flow rate with 7-day range and 90-minute trend
For focused discharge analysis{
"water_level": {
"navd88_ft": 2.45,
"timestamp": "2025-01-07T10:30:00Z",
"seven_day_min_ft": 1.89,
"seven_day_max_ft": 3.12,
"trend_direction": "rising",
"trend_change_ft": 0.08,
"stale": false
},
"flow_rate": {
"discharge_cfs": 16850,
"timestamp": "2025-01-07T10:15:00Z",
"seven_day_min_cfs": 12400,
"seven_day_max_cfs": 18900,
"trend_direction": "stable",
"trend_change_cfs": -45,
"stale": false
},
"data_completeness": "complete",
"overall_staleness": "fresh"
}{
"navd88_ft": 2.45,
"wmlw_ft": 4.92,
"timestamp": "2025-01-07T10:30:00Z",
"seven_day_min_ft": 1.89,
"seven_day_max_ft": 3.12,
"trend_direction": "rising",
"trend_change_ft": 0.08,
"reading_90min_ago_ft": 2.37,
"stale": false
}{
"discharge_cfs": 16850,
"timestamp": "2025-01-07T10:15:00Z",
"seven_day_min_cfs": 12400,
"seven_day_max_cfs": 18900,
"trend_direction": "stable",
"trend_change_cfs": -45,
"reading_90min_ago_cfs": 16895,
"stale": false
}This MCP server provides real-time data from two USGS monitoring stations along the Potomac River. These stations continuously collect water level and flow rate measurements that power our water data tools.