RIVER GAUGE · ST JOHNS RIVER
St Johns River at Mill Cove (in MHHW)
Duval County, Florida
Water level0.93 ft
Flow—
Last readingSep 16, 2026, 4:54 PM UTC (last recorded)
Action1.1 ft
Minor flood1.6 ft
Moderate flood2.1 ft
Major flood3.1 ft
The past week
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Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Oct 10, 2025 | 2.45 ft | — |
| Oct 11, 2025 | 2.43 ft | — |
| Oct 4, 2025 | 2.08 ft | — |
When the water runs low
- 5 ft
Stage needed to inundate designated Gulf Sturgeon critical habitat below Jim Woodruff Lock and Dam.
- 3 ft
Temporary (not sustainable) operating level for of Scholz Power Plant
More on St Johns River
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