Meramec River Near Eureka, MO
USGS Site No: 07019000 • Meramec River • St. Louis County, MO
Meramec River Near Eureka, MO on the Meramec River is currently at 1,820 cfs (High — 79th percentile for this date) . Gage height: 3.93 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 | 475 | |
| 25th | Low threshold | 573 | |
| 50th (Median) | Normal (median) | 735 | |
| 75th | High threshold | 1,100 | |
| 95th | Very High threshold | 4,500 | Today: 1,820 cfs |
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 | 1,970 | — |
| May 27, 2026 | 2,110 | — |
| May 26, 2026 | 2,310 | — |
| May 25, 2026 | 2,590 | — |
| May 24, 2026 | 3,010 | — |
| May 23, 2026 | 3,840 | — |
| May 22, 2026 | 11,900 | — |
| May 21, 2026 | 15,600 | — |
| May 20, 2026 | 15,100 | — |
| May 19, 2026 | 13,700 | — |
| May 18, 2026 | 3,480 | — |
| May 17, 2026 | 1,810 | — |
| May 16, 2026 | 1,930 | — |
| May 15, 2026 | 2,100 | — |
| Apr 20, 2026 | 18,000 | — |
| Apr 19, 2026 | 13,600 | — |
| Apr 18, 2026 | 12,600 | — |
| Apr 17, 2026 | 7,710 | — |
| Apr 16, 2026 | 3,910 | — |
| Apr 15, 2026 | 1,700 | — |
| Apr 14, 2026 | 1,800 | — |
| Apr 13, 2026 | 1,940 | — |
| Apr 12, 2026 | 2,130 | — |
| Apr 11, 2026 | 2,350 | — |
| Apr 10, 2026 | 2,650 | — |
| Apr 9, 2026 | 3,060 | — |
| Apr 8, 2026 | 3,720 | — |
| Apr 7, 2026 | 5,050 | — |
| Apr 6, 2026 | 4,810 | — |
| Apr 5, 2026 | 3,330 | — |
Station Information
- USGS Site No
- 07019000
- State
- MO
- County
- St. Louis County
- Coordinates
- 38.5051, -90.5902
- Drainage Area
- 3,788 mi²
- Datum (ft)
- 403.6
- HUC Code
- 07140102
Flood Stage Thresholds
- Action Stage
- 17.0 ft
- Flood Stage
- 19.0 ft
- Moderate Flood
- 26.0 ft
- Major Flood
- 31.0 ft
Currently 15.07 ft below flood stage.
Recent Extremes
- Max discharge
-
44,400 cfsMar 8, 2026
- Min discharge
-
474 cfsJan 25, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Bonhomme Creek Near Ellisville, MOHigh8.5 mi · 1 cfs
-
Caulks Creek at Chesterfield, MONormal10.3 mi · 13 cfs
-
Creve Coeur Creek at Chesterfield, MONormal10.3 mi · 2 cfs
-
Bonhomme Creek Near Clarkson Valley, MOHigh10.7 mi · 5 cfs
-
Creve Coeur Creek Near Creve Coeur, MONormal13.5 mi · 7 cfs