St. Joseph River at Three Rivers, MI
USGS Site No: 04097500 • St. Joseph River • St. Joseph County, MI
St. Joseph River at Three Rivers, MI on the St. Joseph River is currently at 1,080 cfs (Normal — 73th percentile for this date) . Gage height: 3.76 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 28 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 | 415 | |
| 25th | Low threshold | 544 | |
| 50th (Median) | Normal (median) | 706 | |
| 75th | High threshold | 1,120 | Today: 1,080 cfs |
| 95th | Very High threshold | 2,160 |
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 29, 2026 | 1,350 | — |
| May 28, 2026 | 1,660 | — |
| May 27, 2026 | 1,780 | — |
| May 26, 2026 | 1,790 | — |
| May 25, 2026 | 1,640 | — |
| May 24, 2026 | 1,620 | — |
| May 23, 2026 | 1,540 | — |
| May 22, 2026 | 1,730 | — |
| May 21, 2026 | 1,560 | — |
| May 20, 2026 | 1,740 | — |
| May 19, 2026 | 1,660 | — |
| May 18, 2026 | 1,530 | — |
| May 17, 2026 | 1,890 | — |
| May 16, 2026 | 1,940 | — |
| May 15, 2026 | 1,870 | — |
| Apr 21, 2026 | 4,570 | — |
| Apr 16, 2026 | 3,590 | — |
| Apr 15, 2026 | 3,270 | — |
| Apr 14, 2026 | 3,120 | — |
| Apr 13, 2026 | 3,120 | — |
| Apr 12, 2026 | 3,230 | — |
| Apr 11, 2026 | 3,330 | — |
| Apr 10, 2026 | 3,680 | — |
| Apr 9, 2026 | 3,850 | — |
| Apr 8, 2026 | 3,990 | — |
| Apr 7, 2026 | 4,100 | — |
| Apr 6, 2026 | 3,910 | — |
| Apr 5, 2026 | 3,560 | — |
| Apr 4, 2026 | 2,950 | — |
| Apr 3, 2026 | 2,390 | — |
Station Information
- USGS Site No
- 04097500
- State
- MI
- County
- St. Joseph County
- Coordinates
- 41.9403, -85.6328
- Drainage Area
- 1,350 mi²
- Datum (ft)
- 780.9
- HUC Code
- 04050001
Flood Stage Thresholds
- Action Stage
- 6.0 ft
- Flood Stage
- 7.0 ft
- Moderate Flood
- 9.0 ft
- Major Flood
- 11.0 ft
Currently 3.24 ft below flood stage.
Recent Extremes
- Max discharge
-
4,570 cfsApr 21, 2026
- Min discharge
-
280 cfsSep 17, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Portage River at Fifth Avenue at Three Rivers, MIVery High0.5 mi · 195 cfs
-
Spring Creek at Rambadt Road Near Centreville, MINormal7.4 mi · 20 cfs
-
Mill Creek at Quaker Street Near Mottville, MINormal9.5 mi · 28 cfs
-
Little Portage Creek at Lane St at Mendon, MIVery High10.3 mi · 34 cfs
-
St. Joseph River at Mottville, MIHigh11.5 mi · 1,590 cfs