Delaware Lake water level today
Reservoir in Delaware, Ohio · Olentangy River
915.30ft
278.98 m · NGVD29
Measured · provisional
Above normal for the dateSteady
What this means
It is lower than on Oct 21 in 1 of the last 6 years.
The lake has fallen 0.10 ft in 7 days and fallen 0.83 ft in 30 days.
Since 2020, the lowest daily level was 905.60 ft (Dec 2022) and the highest 937.22 ft (Apr 2025).
Delaware Lake level chart
Loading chart…
Measured
Normal range for the date (middle 50% of past years)
Same date in past years
| Date | Level | vs today |
|---|---|---|
| Oct 21, 2025 | 914.12 ft | ▼ 1.18 ft |
| Oct 21, 2024 | 912.52 ft | ▼ 2.78 ft |
| Oct 21, 2023 | 914.53 ft | ▼ 0.77 ft |
| Oct 21, 2022 | 915.19 ft | ▼ 0.11 ft |
| Oct 21, 2021 | 915.17 ft | ▼ 0.13 ft |
| Oct 21, 2020 | 916.04 ft | ▲ 0.74 ft |
Records & details
- Highest
- 937.22 ft on Apr 8, 2025
- Lowest
- 905.60 ft on Dec 2, 2022
- Records from
- 2020 (6 years of daily data)
- Storage
- 14,390 acre-ft
- Inflow
- 21.0 cfs (0.59 m³/s)
- Outflow
- 21.0 cfs (0.59 m³/s)
- Water temperature
- Not measured here
Weather & wind
This Afternoon68°F · Sunny
Wind N 6 mph
Wind N 6 mph
Tonight37°F · Mostly Clear then Areas Of Fog
Wind N 5 mph
Wind N 5 mph
Thursday68°F · Areas Of Fog then Sunny
Wind N 2 to 8 mph
Wind N 2 to 8 mph
Thursday Night42°F · Mostly Clear
Wind NE 2 to 7 mph
Wind NE 2 to 7 mph
Friday67°F · Mostly Sunny
Wind NE 2 to 6 mph
Wind NE 2 to 6 mph
Friday Night39°F · Mostly Clear
Wind E 6 mph
Wind E 6 mph
NOAA National Weather Service forecast for this lake's location, updated 2 h ago.