South Anna River Near Ashland, VA
USGS Site No: 01672500 • South Anna River • Hanover County, VA
South Anna River Near Ashland, VA on the South Anna River is currently at 278 cfs (High — 77th percentile for this date) . Gage height: 2.98 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 27 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 | 36 | |
| 25th | Low threshold | 54 | |
| 50th (Median) | Normal (median) | 93 | |
| 75th | High threshold | 195 | |
| 95th | Very High threshold | 1,020 | Today: 278 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 | 135 | — |
| May 27, 2026 | 150 | — |
| May 26, 2026 | 169 | — |
| May 25, 2026 | 153 | — |
| May 24, 2026 | 95 | — |
| May 23, 2026 | 44 | — |
| May 22, 2026 | 34 | — |
| May 21, 2026 | 36 | — |
| May 20, 2026 | 42 | — |
| May 19, 2026 | 46 | — |
| May 18, 2026 | 50 | — |
| May 17, 2026 | 54 | — |
| May 16, 2026 | 57 | — |
| May 15, 2026 | 57 | — |
| Apr 21, 2026 | 56 | — |
| Apr 20, 2026 | 58 | — |
| Apr 19, 2026 | 62 | — |
| Apr 18, 2026 | 71 | — |
| Apr 17, 2026 | 74 | — |
| Apr 16, 2026 | 78 | — |
| Apr 15, 2026 | 84 | — |
| Apr 14, 2026 | 87 | — |
| Apr 13, 2026 | 88 | — |
| Apr 12, 2026 | 87 | — |
| Apr 11, 2026 | 90 | — |
| Apr 10, 2026 | 94 | — |
| Apr 9, 2026 | 100 | — |
| Apr 8, 2026 | 109 | — |
| Apr 7, 2026 | 118 | — |
| Apr 6, 2026 | 128 | — |
Station Information
- USGS Site No
- 01672500
- State
- VA
- County
- Hanover County
- Coordinates
- 37.7968, -77.5489
- Drainage Area
- 395 mi²
- Datum (ft)
- 82.7
- HUC Code
- 02080106
Flood Stage Thresholds
- Action Stage
- 11.0 ft
- Flood Stage
- 12.0 ft
Currently 9.02 ft below flood stage.
Recent Extremes
- Max discharge
-
1,680 cfsMay 16, 2025
- Min discharge
-
21 cfsSep 15, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Little River Near Doswell, VANormal5.6 mi · 47 cfs
-
North Anna River at Hart Corner Near Doswell, VANormal7.6 mi · 69 cfs
-
Pamunkey River Near Hanover, VANormal12.0 mi · 252 cfs
-
Chickahominy River at Chamberlayne Road near Atlee, VAVery High12.8 mi · 18 cfs
-
Upham Brook Near Richmond, VANormal14.4 mi · 7 cfs