RIVER GAUGE · OLENTANGY RIVER
Olentangy River at Delaware Lake
Delaware County, Ohio
Water level915.52 ft
Flow—
Last readingSep 16, 2026, 4:15 PM UTC (last recorded)
Action932 ft
The past week
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What floods at each level
- 957 ft
Top of Dam.
- 947 ft
Spillway Crest.
- 945.4 ft
Record Pool, set in January 2005.
- 936 ft
Park closed, all areas evacuated
- 934 ft
State Route 229 is flooded in both directions between U.S. 23 and Horseshoe Road
- 924 ft
Gearhiser Road in Marion County is impassable.
- 915 ft
Summer Pool.
- 910 ft
Winter Pool.
More on Olentangy River
UpstreamOlentangy River at Claridon
DownstreamOlentangy River near Delaware ↗
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