Delaware Lake, OH

As of 2026-10-13, Delaware Lake sits at 915.38 ft, which is high for this time of year. That is 0.38 ft above full pool of 915.00 ft. It is still 31.6 ft below the flood pool of 947.00 ft. Over the past 30 days the level has fallen 0.17 ft.

The most recent reading at Delaware Lake is 915.38 ft (2026-10-13), sourced from the U.S. Army Corps of Engineers. Readings on this page refresh automatically as the agency publishes new data.

The highest level for Delaware Lake in our records is 937.03 ft on 2025-04-08. The lowest is 905.62 ft on 2022-12-02. Our record covers about 6 years of readings.

Compared with every October in our records, the current level is higher than 85% of them, which we classify as high for this time of year. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.

Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Delaware Lake has fallen 0.17 ft over the past 30 days. For the operational reason on any given week, check the U.S. Army Corps of Engineers directly.

Delaware Lake is +1.10 ft compared with this date last year (915.38 ft today). The full-history chart above covers 6 years, with a record high of 937.03 ft and a record low of 905.62 ft.