Ottawa River at University Of Toledo, Toledo OH

USGS Site No: 04177000Ottawa 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

34
CFS Discharge
2.47
Gage Height (ft)
Normal
Flow Condition
Normal
Flood Status

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.

1.5k 756 0 cfs Apr 6 May 28
10th–95th historical Day-of-year median Recent discharge

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
View on USGS NWIS →

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 cfs
Mar 12, 2026
Min discharge
1 cfs
Jan 24, 2026
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges