{"id":"usgs-nwis-streamflow","canonical_url":"https://earthagents.ai/sources/usgs-nwis-streamflow","manifest_url":"https://earthagents.ai/sources/usgs-nwis-streamflow/manifest.json","name":"USGS NWIS Streamflow","authority":"United States Geological Survey","operator":"United States Geological Survey","description":"Return the latest provisional discharge observations for active gauges in a requested state.","category":"Water and Hydrology","source_kind":"authoritative_primary","capabilities":["observe","measure","verify","monitor","query_history","query_geography"],"roles":["observes","measures","verifies"],"coverage":{"scope":"national","description":"United States, Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming","jurisdictions":["United States","Alabama","Alaska","Arizona","Arkansas","California","Colorado","Connecticut","Delaware","Florida","Georgia","Hawaii","Idaho","Illinois","Indiana","Iowa","Kansas","Kentucky","Louisiana","Maine","Maryland","Massachusetts","Michigan","Minnesota","Mississippi","Missouri","Montana","Nebraska","Nevada","New Hampshire","New Jersey","New Mexico","New York","North Carolina","North Dakota","Ohio","Oklahoma","Oregon","Pennsylvania","Rhode Island","South Carolina","South Dakota","Tennessee","Texas","Utah","Vermont","Virginia","Washington","West Virginia","Wisconsin","Wyoming"],"spatial_resolution":"Monitoring station","temporal_resolution":"Near real-time"},"datasets":[{"id":"usgs-nwis-iv-streamflow","name":"Instantaneous discharge values","endpoints":[{"id":"usgs-nwis-streamflow-endpoint","url":"https://waterservices.usgs.gov/nwis/iv/?format=json&stateCd=wy&parameterCd=00060&siteStatus=active","kind":"api","mcpTools":["get_latest_streamflow"]}]}],"endpoints":[{"id":"usgs-nwis-streamflow-endpoint","url":"https://waterservices.usgs.gov/nwis/iv/?format=json&stateCd=wy&parameterCd=00060&siteStatus=active","kind":"api","mcpTools":["get_latest_streamflow"]}],"mcp":{"endpoint":"https://mcp.earthagents.ai/mcp/sources/usgs-nwis-streamflow","addressable":true,"tools":["get_latest_streamflow"],"schema_validated":true},"access":{"available":true,"canonicalUrl":"https://waterservices.usgs.gov/nwis/iv/?format=json&stateCd=wy&parameterCd=00060&siteStatus=active","documentationUrl":"https://waterservices.usgs.gov/docs/instantaneous-values/","accessMode":"live_query","authentication":"Public source terms apply"},"rights":{"licenseType":"public_domain","licenseLabel":"Public domain","commercialUse":"permitted","redistribution":"permitted","retention":"permitted","attribution":"not_stated","reviewStatus":"automated_classification_review_required","providerTerms":"U.S. public domain; USGS terms apply","termsUrl":"https://waterservices.usgs.gov/docs/instantaneous-values/","caution":"Automated classification only. Confirm the linked provider terms, attribution, privacy, and third-party-content requirements before production reuse."},"commerce":{"wallet":{"sourceId":"usgs-nwis-streamflow","mode":"registry_only","provisioningState":"provisioned","funded":false,"address":null,"network":"unsettled","custody":"No signing key provisioned","beneficiary":null,"payoutPolicy":"No settlement is created while payment activation is disabled.","lifecycleState":"provisioned","permittedAssets":[],"spendingPolicy":"No spending or settlement is permitted while payment activation is disabled.","settlementCapable":false,"settlementTested":false},"x402":{"sourceId":"usgs-nwis-streamflow","enabled":true,"paymentRequired":false,"network":"unsettled","asset":null,"priceModel":"free","price":null,"recipientWallet":null,"freeTier":"Direct public-source access","rateLimit":"Upstream authority policy applies","settlementPolicy":"No settlement is created while payment activation is disabled.","lifecycleState":"active"}},"provenance":{"canonicalSource":"https://waterservices.usgs.gov/nwis/iv/?format=json&stateCd=wy&parameterCd=00060&siteStatus=active","sourceIdentifier":"usgs-nwis-streamflow","sourceRecordId":"usgs-nwis-iv-streamflow","retrievedAt":null,"sourcePublishedAt":null,"responseHash":null,"adapterVersion":"earthagents-usgs_streamflow/1.0.0","lastVerifiedAt":"2026-08-06T20:37:29.280Z","updateFrequency":"15 minutes","license":"U.S. public domain; USGS terms apply","authority":"United States Geological Survey","spatialResolution":"Monitoring station","temporalResolution":"Near real-time","knownLimitations":["Readings are provisional and may be revised.","Not every water body has an active gauge."],"requiredResponseFields":["source","source_identifier","retrieved_at","source_published_at","authority","version","confidence","spatial_resolution","temporal_resolution","license","response_hash","known_limitations"]},"health":{"sourcePublishedAt":null,"sourceRetrievedAt":null,"adapterLastSuccessAt":null,"adapterHealth":"unknown","dataFreshnessStatus":"unknown","expectedCadence":"15 minutes","staleThreshold":"3600000ms","fallbackInUse":false,"estimatedFields":[],"derivedFields":[]},"version":"1.0.0"}