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We aggregate official government sources — WaDE for water rights, USGS for stream gauges and basins, USBR for reservoirs, NRCS for SNOTEL snowpack, EPA for water quality, and state-level structures (e.g. Colorado CDSS).
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Stream gauges and seismic data refresh every 30 minutes. Snowpack, groundwater, and reservoirs refresh daily. Water rights, basins, and minerals refresh weekly to monthly depending on the upstream cadence.
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