Rio Chama Below El Vado Dam, NM
USGS Site No: 08285500 • Rio Arriba County, NM
Rio Chama Below El Vado Dam, NM is currently at 146 cfs (Normal — 56th percentile for this date) . Gage height: 2.09 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 | 52 | |
| 25th | Low threshold | 85 | |
| 50th (Median) | Normal (median) | 126 | |
| 75th | High threshold | 206 | Today: 146 cfs |
| 95th | Very High threshold | 525 |
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 | 141 | — |
| May 27, 2026 | 139 | — |
| May 26, 2026 | 118 | — |
| May 25, 2026 | 94 | — |
| May 24, 2026 | 95 | — |
| May 23, 2026 | 96 | — |
| May 22, 2026 | 109 | — |
| May 21, 2026 | 129 | — |
| May 20, 2026 | 209 | — |
| May 19, 2026 | 317 | — |
| May 18, 2026 | 259 | — |
| May 17, 2026 | 181 | — |
| May 16, 2026 | 180 | — |
| May 15, 2026 | 171 | — |
| Apr 20, 2026 | 277 | — |
| Apr 19, 2026 | 326 | — |
| Apr 18, 2026 | 405 | — |
| Apr 17, 2026 | 381 | — |
| Apr 16, 2026 | 342 | — |
| Apr 15, 2026 | 342 | — |
| Apr 14, 2026 | 342 | — |
| Apr 13, 2026 | 341 | — |
| Apr 12, 2026 | 341 | — |
| Apr 11, 2026 | 341 | — |
| Apr 10, 2026 | 366 | — |
| Apr 9, 2026 | 403 | — |
| Apr 8, 2026 | 403 | — |
| Apr 7, 2026 | 404 | — |
| Apr 6, 2026 | 464 | — |
| Apr 5, 2026 | 553 | — |
Station Information
- USGS Site No
- 08285500
- State
- NM
- County
- Rio Arriba County
- Coordinates
- 36.5804, -106.7248
- Drainage Area
- 877 mi²
- Datum (ft)
- 6,696.1
- HUC Code
- 13020102
Flood Stage Thresholds
- Action Stage
- 6.2 ft
- Flood Stage
- 6.8 ft
- Moderate Flood
- 9.0 ft
- Major Flood
- 12.0 ft
Currently 4.71 ft below flood stage.
Recent Extremes
- Max discharge
-
1,120 cfsMay 11, 2025
- Min discharge
-
77 cfsJul 10, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Rio Chama Near LA Puente, NMNormal7.6 mi · 100 cfs
-
Rio Brazos at Fishtail Road near Tierra Amarilla, NMVery High17.8 mi · 46 cfs
-
Rio Chama Above Abiquiu Reservoir, NMNormal19.4 mi · 127 cfs
-
Rio Chama Above Chama, NMVery High26.2 mi · 84 cfs
-
Rio Chama Below Abiquiu Dam, NMNormal29.2 mi · 153 cfs