{"uid":"cap_UHVV-bSW4OXPYwr0TSKtC","slug":"usgs-stream-gauge-streamflow-gauge-height-lookup-b02f9c7b","name":"USGS Stream Gauge Streamflow & Gauge Height Lookup","description":"Real-time river and stream conditions at a USGS stream gauge — current streamflow/discharge (cubic feet per second) and gauge height/water level/stage (feet), i.e. how much water is flowing and how high it is right now. Data is provisional and subject to revision. Requires a USGS site number (e.g. 09380000 = Colorado River at Lees Ferry, AZ).","url":"https://x402-seller.onrender.com/water/streamflow","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["site"],"properties":{"site":{"type":"string","description":"USGS site number (e.g. 09380000)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"lat":{"type":["number","null"]},"lng":{"type":["number","null"]},"site":{"type":"string"},"time":{"type":["string","null"]},"source":{"type":"string"},"siteName":{"type":["string","null"]},"attribution":{"type":"string"},"provisional":{"type":"boolean"},"gaugeHeightFt":{"type":["number","null"]},"streamflowCfs":{"type":["number","null"]}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_6jgThjDZ2SSs8pVd8OvnG","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns real-time streamflow (cfs) and gauge height (ft) for a given USGS stream gauge site number.","exampleAgentPrompt":"What are the current streamflow and gauge height readings at USGS site 09380000, the Colorado River at Lees Ferry?","exampleUseCases":[{"title":"Check river safety for kayaking","prompt":"I'm planning a kayaking trip on the Rio Grande this weekend — can you pull the current streamflow and gauge height from the USGS gauge so I know if conditions are safe?"},{"title":"Monitor local flood risk levels","prompt":"Our town is under a flood watch — what are the latest streamflow and gauge height readings at the USGS monitoring station on the Susquehanna River near us?"},{"title":"Water resource planning data pull","prompt":"I need the real-time discharge and water level for USGS site 09380000 on the Colorado River at Lees Ferry for our water resource planning report this week."}],"resultDescription":"Returns a JSON object with the USGS site number, site name, real-time streamflow in cubic feet per second, gauge height in feet, geographic coordinates (lat/lng), timestamp of the reading, a provisional data flag, data source label, and attribution string.","failureModes":["Invalid or non-existent USGS site number returns an error or null values","Site exists but has no recent data — streamflowCfs and gaugeHeightFt may be null","USGS upstream API unavailable causes a service error","Missing required 'site' query parameter returns a validation error","Site exists but does not measure streamflow or gauge height — fields will be null"],"whenToPreferThis":"Use this endpoint when you need real-time river conditions (streamflow and gauge height) from an official U.S. government source for a specific USGS monitoring site. Prefer this over general weather APIs when hydrological precision matters — e.g. flood monitoring, recreational river safety, water resource planning, or environmental compliance. Best when you already have a USGS site number.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:41:51.751Z","isFirstParty":false}