Interactive map of river discharge across the UK, built entirely from Environment Agency open data. No API keys, no accounts, no server, no runtime API calls, a scheduled job is the backend.
javascript python webgl geojson openstreetmap data-visualization static-site open-data hydrology uk interactive-map github-actions zero-dependencies environment-agency maplibre maplibre-gl-js open-government-licence river-flow
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Updated
Sep 1, 2026 - JavaScript