Watershed & Water Resources Portal · Hydrology

Is this watershed's water measured, or only modelled?

Puts California’s three water records, diversions promised, flow actually gauged and quality assessed, on one watershed hierarchy, and says at every level which are measured and which are now estimates.

Prompt
Before you open it

What you'll do in the app

1
Descend the basinClick a watershed and the band below redraws with its sub-watersheds; the whole app follows.
2
Read the grain noticeAt each level it names which record still answers and which has become an estimate.
3
Define measuredChoose active gauge, real-time or any record, and the unmeasured share is reprinted.
Demo dataLive California water-rights, gauge and water-quality records
StandardOGC WaterML 2.0 · basin delineation
Runs onStrata, or your existing Esri services
Built fromAn open recipe, in one run with Claude
Two ways to get it

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Build it yourself

Start from the free open template and the AI-guided setup. Run it on Strata Free, on your own servers.

Free · MIT licenceGet the template →
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We set it up on your data and your rules, load your first layers, and support it on Strata Enterprise or Hosted.

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