Antietam Creek near Sharpsburg
Flood levels
Official flood levels at this gauge: action stage begins at 7.0 ft; minor flooding begins at 8.0 ft; moderate flooding begins at 10.0 ft; major flooding begins at 12.0 ft.
| Action stage | 7.0 ft |
|---|---|
| Minor flooding | 8.0 ft |
| Moderate flooding | 10.0 ft |
| Major flooding | 12.0 ft |
Highest recorded crests
- 16.7 ft on Jul 20, 1956 (historic crest)
- 14.7 ft on Sep 26, 1975 (historic crest)
- 14.3 ft on Jun 23, 1972 (historic crest)
- 13.7 ft on Jan 19, 1996 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 7.0 ft | Water 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. |
|---|---|
| 8.0 ft | A 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. |
| 9.0 ft | Water 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. |
| 10.0 ft | Land 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. |
| 12.0 ft | Water approaches outbuildings off Harpers Ferry Road near Sharpsburg. Significant flooding of low-lying fields near the creek is occurring. |
| 15.0 ft | Water 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. |
Forecast office: NWS Sterling · River Forecast Center: Middle Atlantic River Forecast Center.
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