Old River Outflow Channel Below Hydropower Channel
USGS Site No: 07381482 • Old River Outflow Channel • Concordia Parish, LA
Old River Outflow Channel Below Hydropower Channel on the Old River Outflow Channel is currently at 0 cfs (Unknown) . Gage height: 19.34 ft.
Reading from
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 | 94,800 | |
| 25th | Low threshold | 131,000 | |
| 50th (Median) | Normal (median) | 186,000 | |
| 75th | High threshold | 284,000 | |
| 95th | Very High threshold | 0 |
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 | — | 18.02 |
| May 27, 2026 | — | 17.12 |
| May 26, 2026 | — | 16.43 |
| May 25, 2026 | — | 17.14 |
| May 24, 2026 | — | 17.73 |
| May 23, 2026 | — | 17.45 |
| May 22, 2026 | — | 17.39 |
| May 21, 2026 | — | 18.12 |
| May 20, 2026 | — | 18.60 |
| May 19, 2026 | — | 19.24 |
| May 18, 2026 | — | 20.57 |
| May 17, 2026 | — | 21.32 |
| May 16, 2026 | — | 22.12 |
| May 15, 2026 | — | 23.07 |
| Mar 22, 2026 | 178,000 | 26.85 |
| Mar 21, 2026 | 172,000 | 26.36 |
| Mar 20, 2026 | 169,000 | 26.19 |
| Mar 19, 2026 | 164,000 | 25.74 |
| Mar 18, 2026 | 155,000 | 24.62 |
| Mar 17, 2026 | 143,000 | 23.38 |
| Mar 16, 2026 | 138,000 | 23.04 |
| Mar 15, 2026 | 135,000 | 22.02 |
| Mar 14, 2026 | 118,000 | 19.45 |
| Mar 13, 2026 | 99,400 | 17.25 |
| Mar 12, 2026 | 99,500 | 16.54 |
| Mar 11, 2026 | 106,000 | 15.47 |
| Mar 10, 2026 | 105,000 | 15.49 |
| Mar 9, 2026 | 108,000 | 15.37 |
| Mar 8, 2026 | 113,000 | 16.10 |
| Mar 7, 2026 | 117,000 | 16.49 |
Station Information
- USGS Site No
- 07381482
- State
- LA
- County
- Concordia Parish
- Coordinates
- 31.0668, -91.6483
- Datum (ft)
- -0.6
- HUC Code
- 08040301
Recent Extremes
- Max discharge
-
411,000 cfsMay 1, 2025
- Min discharge
-
11,700 cfsDec 8, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Atchafalaya River at Simmesport, LALow10.6 mi · 198,000 cfs
-
Red River 6.5 Miles Below Black River, LANormal12.2 mi · 43,700 cfs
-
Bayou Des Glaises Diversion Ch. at Moreauville, LAUnknown19.9 mi · 0 cfs
-
Buffalo River near Woodville, MSHigh23.6 mi · 151 cfs
-
Atchafalaya River @ Krotz Springs, LAUnknown36.4 mi · 0 cfs