Find a stream
Enter your zip (or click 📍), set your filters, and hit Search. Matching streams appear on the right, sorted by distance.
Searches are bounded by your radius, so the map won't try to render the whole country.

Blue Lines Hydrology

NHDPlus HR

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Legend

Slope %
< 05> 10
Log(Mean Annual CFS)
> 7
5.5
4
2
< 0.5
Data: USGS NHDPlus HR Flowlines via ArcGIS Online. Zip → coordinates: api.zippopotam.us. Basemap: CARTO / OpenStreetMap.
Your zip and search area are sent to those services to perform the lookup. No data is stored by this page.
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