| Source | What Rivr uses | Terms |
|---|---|---|
| Apple Weather | Current weather and forecasts | Apple Weather data sources |
| U.S. Geological Survey (USGS) — Water Data APIs, NWIS | Streamflow, stage, water temperature | USGS data licensing (public domain; credit requested) |
| USGS NLDI / NHDPlus | River network and gauge relationships | NLDI |
| USGS National Map — Watershed Boundary Dataset | Matches a location to its watershed for species lookups | Watershed Boundary Dataset |
| USGS Aquatic Gap Analysis Project | Modeled fish distribution | doi:10.5066/P1UV25FW |
| USGS Nonindigenous Aquatic Species | Species occurrence | nas.er.usgs.gov |
| U.S. Army Corps of Engineers — CWMS and water portals | Dam releases and lake levels | water.usace.army.mil |
| Tennessee Valley Authority | Dam releases and lake levels | tva.com |
| Southwestern Power Administration | Dam generation schedules | energy.gov/swpa |
| State fish and wildlife agencies | Fishing regulations and stocking | Each agency’s published terms; linked from every regulation in the app |
| iNaturalist | Species observations | iNaturalist terms; individual observations are under their observers’ licenses |
| GBIF | Species occurrence records | GBIF data licences (CC0 / CC BY / CC BY-NC) |
| OpenStreetMap | River course geometry | © OpenStreetMap contributors, ODbL |
| U.S. Census Bureau Geocoder | Matching a location to its state agency | This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. |
| Apple Maps | Maps | Shown on the map itself |
Data Sources & Attributions
Where Rivr’s data comes from, and the credit each source requires.
Rivr is independent. It isn’t affiliated with, endorsed by, or sponsored by any of these organizations.
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