Hillsborough River at Morris Branch Near Thonotosassa FL

USGS Site No: 02303330 • Hillsborough River • Hillsborough County, FL

Hillsborough River at Morris Branch Near Thonotosassa FL on the Hillsborough River is currently at 83 cfs (Normal — 43th percentile for this date) . Gage height: 23.99 ft.

Reading from

↑ Upstream on Hillsborough River
Hillsborough Rv at State Park near Zephyrhills, FL
Downstream on Hillsborough River ↓
Hillsborough River Near Tampa FL
83
CFS Discharge
23.99
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 49
25th Low threshold 60
50th (Median) Normal (median) 91 Today: 83 cfs
75th High threshold 150
95th Very High threshold 736

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.

991 496 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 75 23.83
May 27, 2026 76 23.84
May 26, 2026 82 23.97
May 25, 2026 88 24.11
May 24, 2026 77 23.87
May 23, 2026 64 23.55
May 22, 2026 67 23.63
May 21, 2026 64 23.55
May 20, 2026 59 23.42
May 19, 2026 60 23.47
May 18, 2026 60 23.47
May 17, 2026 56 23.35
May 16, 2026 56 23.33
May 15, 2026 56 23.35
Apr 21, 2026 63 23.53
Apr 20, 2026 64 23.55
Apr 19, 2026 65 23.58
Apr 18, 2026 66 23.60
Apr 17, 2026 67 23.63
Apr 16, 2026 69 23.69
Apr 15, 2026 72 23.75
Apr 14, 2026 75 23.81
Apr 13, 2026 77 23.87
Apr 12, 2026 79 23.92
Apr 11, 2026 81 23.95
Apr 10, 2026 80 23.92
Apr 9, 2026 76 23.85
Apr 8, 2026 76 23.83
Apr 7, 2026 79 23.91
Apr 6, 2026 71 23.73

Station Information

USGS Site No
02303330
State
FL
County
Hillsborough County
Coordinates
28.0986, -82.3114
Drainage Area
375 mi²
Datum (ft)
0.0
HUC Code
03100205
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
30.5 ft
Flood Stage
32.0 ft
Moderate Flood
34.0 ft
Major Flood
36.0 ft

Currently 8.01 ft below flood stage.

Recent Extremes

Max discharge
391 cfs
Aug 15, 2025
Min discharge
56 cfs
May 16, 2026
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges

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