OKLAHOMA RESERVOIR REPORT

Last Updated: March 24, 2026

Across the nation, a comprehensive analysis of the latest observations indicates a diverse picture of reservoir and dam water storage levels, with some areas experiencing surpluses while others face drought conditions. For instance, Lake Winnipesaukee in New Hampshire currently sits below its average gage height, possibly indicating lower water inputs, which could impact local water supply and recreational activities. In contrast, Prompton Reservoir in Pennsylvania is slightly above its average water surface elevation, reflecting adequate water accumulation, potentially from recent precipitation or controlled water releases.

Notably, several major dams and reservoirs are experiencing abnormal conditions for this time of the year, which could be attributed to various factors such as snowpack levels, river flows, or regional climatic shifts. For example, San Carlos Reservoir in Arizona is significantly below its average storage level, signaling drought stress that may affect agricultural irrigation and water conservation measures. Conversely, Lake San Antonio in California is well above its average, suggesting a surplus that could be linked to heavy rainfall or snowmelt. These deviations from the norm have implications for water management strategies, ecosystem health, agriculture, and urban water supply. As such, hydrologists and water management researchers must continuously monitor these changes to anticipate and mitigate the impacts on affected communities and the environment.

Oklahoma has numerous reservoirs and dams, with the largest being Lake Texoma on the Red River. Other major reservoirs include Lake Eufaula, Lake Tenkiller, and Keystone Lake. These reservoirs are fed by various streams, rivers, and creeks, with many of them originating in the surrounding mountains of the Ozarks and Ouachitas. Snowpack is not a significant contributor to the water supply in Oklahoma, as the state typically receives little snowfall. Drought conditions are common in Oklahoma, with some reservoirs experiencing record low levels during prolonged dry spells. Seasonal trends show varying levels of precipitation and streamflow throughout the year, with the highest levels typically occurring in the spring and early summer. Overall, the hydrology of Oklahoma is heavily influenced by precipitation patterns and the unique geology of the region, with reservoirs and dams serving as crucial components of water management and conservation efforts.

Oklahoma has numerous reservoirs and dams, with the largest being Lake Texoma on the Red River. Other major reservoirs include Lake Eufaula, Lake Tenkiller, and Keystone Lake. These reservoirs are fed by various streams, rivers, and creeks, with many of them originating in the surrounding mountains of the Ozarks and Ouachitas. Snowpack is not a significant contributor to the water supply in Oklahoma, as the state typically receives little snowfall. Drought conditions are common in Oklahoma, with some reservoirs experiencing record low levels during prolonged dry spells. Seasonal trends show varying levels of precipitation and streamflow throughout the year, with the highest levels typically occurring in the spring and early summer. Overall, the hydrology of Oklahoma is heavily influenced by precipitation patterns and the unique geology of the region, with reservoirs and dams serving as crucial components of water management and conservation efforts.