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Compare Texas reservoir levels.

Compare TWDB conservation storage and dated elevation changes. Each measure keeps its unit and source date.

ReservoirReading dateConservation fullElevation7-day change
Lake Travis2026-11-12100.0%681.37 ft+4.20 ft
Canyon Lake2026-11-1296.6%907.41 ft+0.16 ft
Lake Corpus Christi2026-11-1280.8%91.41 ft+0.28 ft
Medina Lake2026-11-1227.3%1019.17 ft+0.53 ft

Change uses the headline reading and an observation exactly 7 calendar days earlier. Missing comparison dates stay unavailable. Elevations have reservoir-specific references; they do not rank water supply or safety.

Source: TWDB Water Data for Texas