OHIO RESERVOIR REPORT

Last Updated: December 21, 2025

Ohio's dams and reservoirs play a crucial role in water supply, flood control, and recreation for the state's residents. Among these, the O'Shaughnessy Reservoir near Dublin, Ohio, is a significant water body whose levels are closely monitored. As of the last observation on December 21, 2025, the surface elevation of the O'Shaughnessy Reservoir was measured at 845 feet above the National Geodetic Vertical Datum of 1929 (NGVD 1929), which is noticeably below the average level of 847.62 feet. This deviation from the average could be indicative of either a decreased inflow due to lower than usual precipitation or increased water usage, and without additional data on snowpack or river flows, further analysis is required to pinpoint the cause.

To provide context, the O'Shaughnessy Reservoir's current level is abnormal for this time of year, when typically the reservoir would be at or above average due to autumn rains and the early stages of snow melt. The shortfall in the storage level can lead to concerns about water availability for domestic and agricultural use, as well as potential impacts on local ecosystems. Cross-referencing with regional climate data and river flow records from nearby waterways would be essential to understand the broader environmental factors influencing this situation. Without access to the suggested additional datasets, one cannot offer a definitive explanation, but it is possible that a drier than usual season or increased water consumption could be contributing factors. Residents and policymakers should monitor the situation closely to manage any emerging water-related challenges effectively.

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.