Antietam Creek near Sharpsburg, MD
River level and flood forecast · Washington County
The river is 4.9 ft below flood stage (8 ft).
Forecast to fall to 2.5 ft by Thu, Oct 15, 8 PM.
Flow: 322 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 8:57 PM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts Antietam Creek near Sharpsburg to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 12 ft |
| Moderate flood stage | 10 ft |
| Flood stage | 8 ft |
| Action stage | 7 ft |
| Record crest (July 20, 1956) | 16.73 ft |
What floods at each level
From the National Weather Service, highest first.
- 15 ftWater reaches the top of the arch of the Old Burnside Bridge at Antietam National Battlefield and the treeline near Old Burnside Bridge. Water also approaches the parking lot of the Pry House Medical Museum.
- 12 ftWater approaches outbuildings off Harpers Ferry Road near Sharpsburg. Significant flooding of low-lying fields near the creek is occurring.
- 10 ftLand near the creek through Antietam National Battlefield is flooded. The lower portion of a driveway adjoining the creek near Route 34 is flooded. Floodwaters approach at least one home on the left bank near Route 34.
- 9 ftWater approaches the lowest corner of the Old Burnside Bridge. Burnside Bridge Road and Manor Church Road are flooded and closed, and trails alongside the creek in Antietam Battlefield are flooded.
- 8 ftA low spot on Burnside Bridge Road, on the south end of Antietam National Battlefield, begins to flood. Flooding on the battlefield along the creek is also occurring, flooding some creekside trails and nearby land. A few small monuments near Burnside Bridge become surrounded by water. Fields off Branch Avenue in Sharpsburg begin to flood.
- 7 ftWater begins to overflow the banks on both sides in Antietam National Battlefield. Water approaches the low spot on Burnside Bridge Road on the far southern end of the battlefield.
Highest crests on record
- 16.73 ft — July 20, 1956
- 14.71 ft — September 26, 1975
- 14.3 ft — June 23, 1972
- 13.71 ft — January 19, 1996
- 11.9 ft — July 11, 1928
Recent crests: 10.21 ft (May 16, 2014) · 9.89 ft (October 31, 2012) · 8.39 ft (April 29, 2011) · 8.63 ft (April 17, 2011) · 9.68 ft (April 17, 2011)
Up and down the river, and nearby
- UpstreamAntietam Creek near Waynesboro, MD
- Potomac River at Shepherdstown, WV
- Marsh Run at Grimes, MD
- Rockymarsh Run at Scrabble, WV
- Catoctin Creek Near Middletown, MD
- Piney Run (VA) near Lovettsville, VA
- Opequon Creek near Martinsburg, WV
- Shenandoah River at Millville, WV
- Tuscarora Creek above Martinsburg, WV
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (SACM2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.