A
licenseA
qualityC
maintenanceEnables querying USGS water data including real-time and historical streamflow, gage height, and water temperature from USGS gauges across the United States.
3
MIT
Zovo River Level Check
Server Details
Check river flow and gage height at USGS stream gauges before a paddling, fishing or riverside trip.
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- Status
- Healthy
- Last Tested
- Transport
- Streamable HTTP · MCP 2025-11-25
- URL
- ChatGPT
- –
- Claude
- –
TDQS
Score is being calculated.
Available Tools
2 toolsfind_river_gaugesFind river gaugesRead-onlyIdempotentInspect
Use this when the user wants to find USGS river or stream gauges (site numbers) by US state and river name, or near a US city or town. Returns up to 25 active gauges with current data, with distance for city searches. Does not accept coordinates and does not return readings; use get_river_conditions for flow and gage height.
| Name | Required | Description | Default |
|---|---|---|---|
| name | No | Words from the river or gauge name, e.g. Arkansas River. Optional filter. | |
| place | No | US city or town with 15,000+ people, e.g. Boulder. Gauges are listed by distance from it. | |
| state | No | US state as a two-letter code or name, e.g. CO. Required unless place is given; with place it picks between same-named cities. | |
| radius_miles | No | Search radius around place in miles, 1 to 50, e.g. 15 (default 15). |
Output Schema
| Name | Required | Description |
|---|---|---|
| note | Yes | |
| shown | Yes | |
| total | Yes | |
| gauges | Yes | |
| search | Yes | |
| source | Yes | |
| source_url | Yes | |
| other_places | Yes | |
| matched_place | Yes | |
| retrieved_utc | Yes |
get_river_conditionsGet river conditionsRead-onlyIdempotentInspect
Use this when the user wants current river flow (discharge) or gage height at USGS stream gauges, the 24-hour trend, how today compares with the same date in past years, or a printable condition sheet. Takes 1 to 10 USGS site numbers and 1 to 7 days; returns a PDF and a CSV of readings. Readings are provisional. Does not forecast and is not a flood warning; use find_river_gauges first when the site number is unknown.
| Name | Required | Description | Default |
|---|---|---|---|
| days | No | Days of readings to include, 1 to 7, e.g. 7 (default 7). | |
| paper | No | PDF paper size, e.g. letter (default) or a4. | |
| site_ids | Yes | USGS site numbers to check, e.g. ["01646500","01638500"]. 1 to 10 entries. |
Output Schema
| Name | Required | Description |
|---|---|---|
| sites | Yes | |
| source | Yes | |
| summary | Yes | |
| downloads | Yes | |
| source_url | Yes | |
| trend_rule | Yes | |
| retrieved_utc | Yes | |
| statistics_note | Yes | |
| provisional_note | Yes |
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
2 tool updates
- First observed
find_river_gauges - First observed
get_river_conditions
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Related MCP Servers
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- AlicenseNot gradedqualityCmaintenanceEnables querying live USGS stream gauge data by river name or location, retrieving current water-quality readings (temperature, pH, dissolved oxygen, turbidity), and ranking locations by EPA Clean Water Act compliance scores and grades. Supports comparing multiple watersheds best-to-worst, with no API keys required.MIT
- AlicenseNot gradedqualityCmaintenanceEnables AI agents to query live and historical USGS water data — real-time streamflow, gage height, temperature, precipitation, turbidity and other parameters — for individual gauge sites, and to discover which gauges are actively reporting a given parameter across a US state. Runs either as a keyless local stdio server or through a hosted gateway endpoint, with daily-value time series for trends and hydrographs.211 npmMIT
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