Model My Watershed
A watershed-modeling web app for citizens, conservation practitioners, municipal decision-makers, educators, and students.
civic-apps-team e84-climate-unit hydrology stormwater watersheds
Natural Resources - Water Supply and Quality - Last synced: 19 Jul 2026 - Ranking: 9.6
StreamCat
Provides summaries of natural and anthropogenic landscape features for ~2.65 million streams, and their associated catchments, within the conterminous USA.
dataset hydrology nhdplus ord research watersheds
Hydrosphere - Ocean and Hydrology Data Access - Last synced: 19 Jul 2026 - Ranking: 7.0
fwapg
Extends British Columbia's Freshwater Atlas with PostgreSQL/PostGIS.
british-columbia freshwater-atlas fwa lakes linear-referencing postgis rivers streams watersheds
Hydrosphere - Freshwater and Hydrology - Last synced: 19 Jul 2026 - Ranking: -Infinity
