Walnut Creek Near Hartwick, IA
USGS Site No: 05452200 • Walnut Creek • Poweshiek County, IA
Walnut Creek Near Hartwick, IA on the Walnut Creek is currently at 51 cfs (High — 81th percentile for this date) . Gage height: 1.83 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 | 1 | |
| 25th | Low threshold | 2 | |
| 50th (Median) | Normal (median) | 8 | |
| 75th | High threshold | 25 | |
| 95th | Very High threshold | 117 | Today: 51 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 | 54 | — |
| May 27, 2026 | 58 | — |
| May 26, 2026 | 61 | — |
| May 25, 2026 | 65 | — |
| May 24, 2026 | 71 | — |
| May 23, 2026 | 81 | — |
| May 22, 2026 | 90 | — |
| May 21, 2026 | 101 | — |
| May 20, 2026 | 122 | — |
| May 19, 2026 | 160 | — |
| May 18, 2026 | 56 | — |
| May 17, 2026 | 45 | — |
| May 16, 2026 | 49 | — |
| May 15, 2026 | 41 | — |
| Apr 20, 2026 | 179 | — |
| Apr 19, 2026 | 230 | — |
| Apr 18, 2026 | 376 | — |
| Apr 17, 2026 | 446 | — |
| Apr 16, 2026 | 455 | — |
| Apr 15, 2026 | 549 | — |
| Apr 14, 2026 | 129 | — |
| Apr 13, 2026 | 148 | — |
| Apr 12, 2026 | 168 | — |
| Apr 11, 2026 | 218 | — |
| Apr 10, 2026 | 410 | — |
| Apr 9, 2026 | 90 | — |
| Apr 8, 2026 | 87 | — |
| Apr 7, 2026 | 100 | — |
| Apr 6, 2026 | 124 | — |
| Apr 5, 2026 | 179 | — |
Station Information
- USGS Site No
- 05452200
- State
- IA
- County
- Poweshiek County
- Coordinates
- 41.8350, -92.3863
- Drainage Area
- 71 mi²
- Datum (ft)
- 786.5
- HUC Code
- 07080208
Flood Stage Thresholds
- Action Stage
- 12.0 ft
- Flood Stage
- 14.0 ft
Currently 12.17 ft below flood stage.
Recent Extremes
- Max discharge
-
855 cfsJul 30, 2025
- Min discharge
-
7 cfsFeb 22, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
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Salt Creek Near Elberon, IAHigh9.7 mi · 116 cfs
-
Big Bear Creek at Ladora, IAHigh12.1 mi · 153 cfs
-
Iowa River at County Highway E49 Near Tama, IANormal15.7 mi · 1,470 cfs