OHIO RESERVOIR REPORT

Last Updated: February 1, 2026

Ohio's dam and reservoir systems are vital for the state's water management and flood control. Among these, the O'Shaughnessy Reservoir near Dublin, Ohio, is a key structure. According to the latest data, the reservoir's water surface elevation is currently at 848 feet, which is slightly above the average of 847.63 feet. This measurement indicates that the reservoir is holding more water than usual for this period. Such deviations are not alarming but could be attributed to various factors like precipitation patterns, upstream river flows, or snowpack melt. It is important for residents, especially during winter, to heed safety advice when outdoors near water bodies, as conditions can be unpredictable and change swiftly.

Recent weather events, including Winter Storm Gianna, have impacted Ohio with heavy snow and intense conditions. The storm intensified into a bomb cyclone, bringing significant snowfall and affecting river flows across the East Coast. These conditions can influence Ohio's reservoir levels due to increased runoff from snowmelt entering the waterways. Additionally, Ohio, with its charming riverside cities and historic downtowns, is susceptible to the charm of winter's freeze-thaw cycles affecting river and reservoir levels. While current levels at O'Shaughnessy Reservoir do not signal immediate cause for alarm, they are under close watch for any abnormal changes that may require action. Authorities and residents alike must monitor these changes and prepare for potential impacts on water management and flood risk as the winter season progresses.

Ohio has several major reservoirs, including Buckeye Lake, Grand Lake St. Marys, and Caesar Creek Lake. These reservoirs are fed by various streams, rivers, and creeks, such as the Licking River, the St. Marys River, and Caesar Creek. Ohio does not have any significant snowpack or mountains that affect its reservoirs. The hydrology of Ohio is primarily influenced by the state's geography, which is characterized by rolling hills and flat plains. Records show that Ohio has experienced major floods in the past, including the Great Dayton Flood of 1913, which resulted in significant damage and loss of life. Drought conditions in Ohio have been relatively rare, but the state has experienced occasional droughts over the years. Seasonal trends show that spring and summer are typically the wettest seasons in Ohio, while fall and winter are drier. Overall, Ohio's reservoirs and dams play a crucial role in providing water for the state's residents and industries.

Ohio has several major reservoirs, including Buckeye Lake, Grand Lake St. Marys, and Caesar Creek Lake. These reservoirs are fed by various streams, rivers, and creeks, such as the Licking River, the St. Marys River, and Caesar Creek. Ohio does not have any significant snowpack or mountains that affect its reservoirs.

The hydrology of Ohio is primarily influenced by the state's geography, which is characterized by rolling hills and flat plains. Records show that Ohio has experienced major floods in the past, including the Great Dayton Flood of 1913, which resulted in significant damage and loss of life.

Drought conditions in Ohio have been relatively rare, but the state has experienced occasional droughts over the years. Seasonal trends show that spring and summer are typically the wettest seasons in Ohio, while fall and winter are drier. Overall, Ohio's reservoirs and dams play a crucial role in providing water for the state's residents and industries.