Statewide map

121 reservoirs · statewide storage 78.3% · as of Jul 22, 2026

Above conservation poolFullNormalLowCritically lowDrought overlayRiver gagesRainfallCounty names

121 reservoirs plotted at their gage locations over all 254 Texas counties. Marker size is proportional to conservation capacity. Click a marker for detail. Not shown: Elephant Butte Lake — tracked by TWDB as a Texas water source but located outside the state.

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Data from the Texas Water Development Board and the USGS National Water Information System.

Provisional data subject to revision. Not for navigation, flood response, or life-safety decisions.

Statewide map

121 reservoirs · statewide storage 78.3% · as of Jul 22, 2026

Above conservation poolFullNormalLowCritically lowDrought overlayRiver gagesRainfallCounty names

121 reservoirs plotted at their gage locations over all 254 Texas counties. Marker size is proportional to conservation capacity. Click a marker for detail. Not shown: Elephant Butte Lake — tracked by TWDB as a Texas water source but located outside the state.