Antietam Creek Near Waynesboro, PA
USGS Site No: 01619000 • Antietam Creek • Washington County, MD
Antietam Creek Near Waynesboro, PA on the Antietam Creek is currently at 105 cfs (High — 80th percentile for this date) . Gage height: 2.65 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 | 28 | |
| 25th | Low threshold | 34 | |
| 50th (Median) | Normal (median) | 48 | |
| 75th | High threshold | 69 | |
| 95th | Very High threshold | 223 | Today: 105 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 | 125 | — |
| May 27, 2026 | 137 | — |
| May 26, 2026 | 136 | — |
| May 25, 2026 | 154 | — |
| May 24, 2026 | 178 | — |
| May 23, 2026 | 216 | — |
| May 22, 2026 | 86 | — |
| May 21, 2026 | 80 | — |
| May 20, 2026 | 45 | — |
| May 19, 2026 | 40 | — |
| May 18, 2026 | 42 | — |
| May 17, 2026 | 44 | — |
| May 16, 2026 | 46 | — |
| May 15, 2026 | 48 | — |
| Apr 21, 2026 | 64 | — |
| Apr 20, 2026 | 72 | — |
| Apr 19, 2026 | 88 | — |
| Apr 18, 2026 | 62 | — |
| Apr 17, 2026 | 66 | — |
| Apr 16, 2026 | 71 | — |
| Apr 15, 2026 | 87 | — |
| Apr 14, 2026 | 72 | — |
| Apr 13, 2026 | 70 | — |
| Apr 12, 2026 | 71 | — |
| Apr 11, 2026 | 75 | — |
| Apr 10, 2026 | 78 | — |
| Apr 9, 2026 | 79 | — |
| Apr 8, 2026 | 82 | — |
| Apr 7, 2026 | 86 | — |
| Apr 6, 2026 | 102 | — |
Station Information
- USGS Site No
- 01619000
- State
- MD
- County
- Washington County
- Coordinates
- 39.7163, -77.6066
- Drainage Area
- 94 mi²
- Datum (ft)
- 536.3
- HUC Code
- 020700041006
Flood Stage Thresholds
- Action Stage
- 5.5 ft
- Flood Stage
- 6.5 ft
- Moderate Flood
- 10.0 ft
- Major Flood
- 12.0 ft
Currently 3.85 ft below flood stage.
Recent Extremes
- Max discharge
-
636 cfsMay 14, 2025
- Min discharge
-
18 cfsFeb 14, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Conococheague Creek at Fairview, MDHigh11.6 mi · 804 cfs
-
Marsh Run at Grimes, MDHigh16.6 mi · 13 cfs
-
Antietam Creek Near Sharpsburg, MDHigh19.6 mi · 271 cfs
-
Monocacy River at Bridgeport, MDHigh19.9 mi · 123 cfs
-
Catoctin Creek Near Middletown, MDHigh20.1 mi · 101 cfs