Cass River at Frankenmuth, MI

USGS Site No: 04151500Cass River • Saginaw County, MI

Cass River at Frankenmuth, MI on the Cass River is currently at 228 cfs (Normal — 56th percentile for this date) . Gage height: 4.62 ft.

Reading from

228
CFS Discharge
4.62
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 98
25th Low threshold 122
50th (Median) Normal (median) 179
75th High threshold 376 Today: 228 cfs
95th Very High threshold 1,200

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.

8.4k 4.2k 0 cfs Apr 7 May 29
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 29, 2026 236
May 28, 2026 258
May 27, 2026 286
May 26, 2026 310
May 25, 2026 319
May 24, 2026 300
May 23, 2026 304
May 22, 2026 344
May 21, 2026 386
May 20, 2026 408
May 19, 2026 373
May 18, 2026 301
May 17, 2026 310
May 16, 2026 326
May 15, 2026 337
Apr 21, 2026 1,570
Apr 20, 2026 2,130
Apr 19, 2026 3,010
Apr 18, 2026 4,650
Apr 17, 2026 6,040
Apr 16, 2026 5,880
Apr 15, 2026 3,190
Apr 14, 2026 1,530
Apr 13, 2026 1,380
Apr 12, 2026 1,440
Apr 11, 2026 1,670
Apr 10, 2026 1,820
Apr 9, 2026 2,340
Apr 8, 2026 3,630
Apr 7, 2026 7,780

Station Information

USGS Site No
04151500
State
MI
Coordinates
43.3278, -83.7480
Drainage Area
841 mi²
Datum (ft)
583.3
HUC Code
04080205
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
15.0 ft
Flood Stage
17.0 ft
Moderate Flood
20.0 ft
Major Flood
25.0 ft

Currently 12.38 ft below flood stage.

Recent Extremes

Max discharge
11,900 cfs
Apr 6, 2026
Min discharge
48 cfs
Sep 18, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges