Lake Corpus Christi is a major water-supply reservoir on the Nueces River in South Texas, near Mathis. Formed by Wesley E. Seale Dam and completed in 1958, the lake covers approximately 18,700 acres. It is managed by the City of Corpus Christi and documented by the Texas Water Development Board, serving primarily as a municipal and regional water-supply storage project with recreation on the pool.

The basin combines open main-lake water with riverine reaches and protected shoreline indentations typical of a large South Texas supply reservoir. Depth and bottom character vary from shallower flats and cove margins to deeper water near the dam and river channels, giving boaters and anglers a mix of open-water and structure-oriented habitats. Its setting in the Nueces basin and role as a long-established regional supply lake define its physical character more than alpine or mountain-reservoir features.

Lake Corpus Christi supports recreational boating and a warmwater sport fishery. Anglers commonly pursue largemouth bass, catfish, crappie, and white bass. Public access is available through area ramps, parks, and shoreline facilities around the Mathis vicinity, with fishing and boating regulations guided by the Texas Parks and Wildlife Department.

Pool elevations are managed for water-supply storage and system operations rather than a classic Corps flood-control guide curve alone. Published references include a conservation pool near 94 feet NGVD29 and a dead pool near 55.5 feet NGVD29. Inflows, municipal demand, and drought or wet-period hydrology move the surface elevation through that operating range. Monitoring lake levels matters for boat-ramp usability, fishing access, shoreline use, and understanding how much storage remains above dead pool.

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