Rivers in Maryland
Antietam Creek near Sharpsburg
Below flood stage
2.48ftStage
Observed Thu, Sep 24, 3:15 AM EDT
- Flood stage
- 8.00 ft
- Forecast crest
- 2.30 ftThu, Sep 24, 8:00 AM EDT
- Record crest
- 16.73 ft1956
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 12.00 ft |
| Moderate flood | 10.00 ft |
| Minor flood | 8.00 ft |
| Action | 7.00 ft |
- 15.00 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.
- 12.00 ftWater approaches outbuildings off Harpers Ferry Road near Sharpsburg. Significant flooding of low-lying fields near the creek is occurring.
- 10.00 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.
- 9.00 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.
- 8.00 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.
- 7.00 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.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | Under 5% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.
Crest history
62 crests on NOAA’s list since 1928.
| # | Date | Stage |
|---|---|---|
| 1 | July 20, 1956 | 16.73 ft |
| 2 | September 26, 1975 | 14.71 ft |
| 3 | June 23, 1972 | 14.30 ft |
| 4 | January 19, 1996 | 13.71 ft |
| 5 | July 11, 1928 | 11.90 ft |
| 6 | October 9, 1976 | 11.88 ft |
| 7 | February 13, 1985 | 11.32 ft |
| 8 | July 18, 1949 | 11.23 ft |
| 9 | June 28, 2006 | 10.85 ft |
| 10 | December 1, 1934 | 10.80 ft |
| 11 | April 27, 1937 | 10.67 ft |
| 12 | August 24, 1933 | 10.40 ft |
| 13 | January 25, 1979 | 10.39 ft |
| 14 | May 25, 1952 | 10.32 ft |
| 15 | February 15, 1984 | 10.31 ft |
| 16 | May 16, 2014 | 10.21 ft |
| 17 | September 7, 1996 | 9.92 ft |
| 18 | October 31, 2012 | 9.89 ft |
| 19 | June 19, 1996 | 9.85 ft |
| 20 | May 3, 1929 | 9.80 ft |
| 21 | April 17, 2011 | 9.68 ft |
| 22 | August 13, 1984 | 9.55 ft |
| 23 | March 21, 1998 | 9.39 ft |
| 24 | March 28, 2005 | 9.36 ft |
| 25 | February 26, 1979 | 9.32 ft |
Most recent crests
- May 16, 2014: 10.21 ft
- October 31, 2012: 9.89 ft
- April 29, 2011: 8.39 ft
- April 17, 2011: 8.63 ft
- April 17, 2011: 9.68 ft
- March 14, 2010: 9.08 ft
- May 12, 2008: 7.90 ft
- June 28, 2006: 10.85 ft
- March 28, 2005: 9.36 ft
- December 11, 2003: 9.31 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the Middle Atlantic River Forecast Center. Forecasts are issued routinely year-round. Stage may be affected by ice.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.