Hydrology
The water itself — where it falls, flows, collects and floods — and who is exposed when it does. Build with AI.
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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.
Elevation certificates, floodplain permits, substantial-improvement tracking
NFIP · CRS activity 310/510Resident-facing: your flood zone, your requirements, your documents
NFIP outreach · CRS activity 330Surge, sea-level rise and inundation exposure for coastal assets
FEMA coastal flood · IPCC SLRSurvey coverage, age and priority for resurvey
IHO S-44 survey standardsForeshore concessions, permits and compliance status
Coastal zone regulationMSDI catalogue over bathymetry, coastal and marine datasets
IHO S-100 MSDI · OGC API-RecordsPublished flood extents and depths from the modeller, made usable
NFHL-style hazard publicationGauges, levels and rainfall in near-real time over the basin
OGC WaterML 2.0 (ISO 19156)Thresholds, alerts and who is downstream when one trips
CAP 1.2 alertingBasins, wadis, culverts and the drainage network as one published layer
Basin delineation practiceWells, levels, licences and abstraction against the allocation
OGC WaterML 2.0 · abstraction licenceStorage, inspection status and downstream exposure per dam
OGC WaterML 2.0 · dam safety regimeSupply, demand and allocation across the basin, mapped
OGC WaterML 2.0 · basin plan