Ottawa River at University Of Toledo, Toledo OH
USGS Site No: 04177000 • Ottawa River • Lucas County, OH
Ottawa River at University Of Toledo, Toledo OH on the Ottawa River is currently at 34 cfs (Normal — 34th percentile for this date) . Gage height: 2.47 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.
| Percentile | Label | CFS Threshold | Today's Flow |
|---|---|---|---|
| 10th | Very Low threshold | 17 | |
| 25th | Low threshold | 28 | |
| 50th (Median) | Normal (median) | 45 | Today: 34 cfs |
| 75th | High threshold | 69 | |
| 95th | Very High threshold | 458 |
30-Day Hydrograph
Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | 40 | — |
| May 27, 2026 | 42 | — |
| May 26, 2026 | 47 | — |
| May 25, 2026 | 55 | — |
| May 24, 2026 | 65 | — |
| May 23, 2026 | 103 | — |
| May 22, 2026 | 69 | — |
| May 21, 2026 | 105 | — |
| May 20, 2026 | 144 | — |
| May 19, 2026 | 128 | — |
| May 18, 2026 | 82 | — |
| May 17, 2026 | 34 | — |
| May 16, 2026 | 36 | — |
| May 15, 2026 | 38 | — |
| Apr 21, 2026 | 135 | — |
| Apr 20, 2026 | 187 | — |
| Apr 19, 2026 | 312 | — |
| Apr 18, 2026 | 276 | — |
| Apr 17, 2026 | 426 | — |
| Apr 16, 2026 | 741 | — |
| Apr 15, 2026 | 348 | — |
| Apr 14, 2026 | 59 | — |
| Apr 13, 2026 | 59 | — |
| Apr 12, 2026 | 60 | — |
| Apr 11, 2026 | 78 | — |
| Apr 10, 2026 | 107 | — |
| Apr 9, 2026 | 137 | — |
| Apr 8, 2026 | 177 | — |
| Apr 7, 2026 | 252 | — |
| Apr 6, 2026 | 816 | — |
Station Information
- USGS Site No
- 04177000
- State
- OH
- County
- Lucas County
- Coordinates
- 41.6597, -83.6125
- Drainage Area
- 150 mi²
- Datum (ft)
- 575.3
- HUC Code
- 04100001
Flood Stage Thresholds
- Action Stage
- 14.0 ft
- Flood Stage
- 14.5 ft
- Moderate Flood
- 15.5 ft
- Major Flood
- 17.0 ft
Currently 12.03 ft below flood stage.
Recent Extremes
- Max discharge
-
1,470 cfsMar 12, 2026
- Min discharge
-
1 cfsJan 24, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Wolf Creek at Holland OHNormal5.1 mi · 14 cfs
-
Maumee River at Waterville OHNormal12.2 mi · 3,590 cfs
-
Blue Creek Near Whitehouse OHVery High12.6 mi · 119 cfs
-
Muddy Creek at Belleterre Road near Erie, MINormal13.7 mi · 1 cfs
-
Ai Creek Near Swanton OHVery High13.9 mi · 63 cfs