Troutline

Attribution

Data sources

Every number on Troutline traces to a public source you can check yourself. These are the agencies and networks we pull from. When a source goes quiet or a number can't be verified, we show nothing rather than guess.

Sources
28

Streamflow & river gauges

  • USGSU.S. Geological Survey
  • NOAA NWPSNational Water Prediction Service
  • CDECCalifornia Data Exchange Center (CA DWR)
  • CDSSColorado's Decision Support Systems (Colorado DWR)
  • WA EcologyWashington State Department of Ecology
  • Oregon WRDOregon Water Resources Department
  • TVATennessee Valley Authority

Reservoir storage

  • USBRU.S. Bureau of Reclamation (RISE)
  • USACEU.S. Army Corps of Engineers (CWMS)

Weather & air quality

Snowpack & runoff

  • NRCSUSDA Natural Resources Conservation Service

Hatchery stocking

  • CDFWCalifornia Department of Fish and Wildlife
  • ODFWOregon Department of Fish and Wildlife
  • UDWRUtah Division of Wildlife Resources
  • NMDGFNew Mexico Department of Game and Fish
  • WDFWWashington Department of Fish and Wildlife
  • NCWRCNorth Carolina Wildlife Resources Commission
  • PFBCPennsylvania Fish and Boat Commission
  • MI DNRMichigan Department of Natural Resources
  • NYSDECNew York State Department of Environmental Conservation
  • CT DEEPConnecticut Department of Energy and Environmental Protection
  • VA DWRVirginia Department of Wildlife Resources
  • TWRATennessee Wildlife Resources Agency
  • VT F&WVermont Fish & Wildlife Department
  • GA WRDGeorgia Wildlife Resources Division
  • WVDNRWest Virginia Division of Natural Resources

Fishing reports

Report snippets come from the local fly shops, guide services, and lodges that actually fish each river. Every report is attributed and links out to the shop that wrote it — Troutline is a distribution channel for shops, never a republisher.