Rivers in Pennsylvania
Juniata River at Mapleton Depot
Below flood stage
3.78ftStage
Observed Sun, Sep 20, 5:15 PM EDT
- Flood stage
- 20.00 ft
- Forecast crest
- 5.50 ftMon, Sep 21, 8:00 AM EDT
- Record crest
- 38.20 ft1936
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 26.00 ft |
| Moderate flood | 24.00 ft |
| Minor flood | 20.00 ft |
| Action | 15.00 ft |
- 30.00 ftWidespread flooding occurs in the Mapleton area.
- 28.00 ftNumerous homes and businesses in the Mapleton area are flooded. High water inundates the approaches to the bridge connecting Mapleton with Route 22.
- 26.00 ftMany homes on the right, or south bank are affected. The approaches of the highway bridge connecting Mapleton with Route 22 are inundated.
- 24.00 ftThe right, or south bank overflows. High water affects homes on the right bank near the gage. The glass plant upstream of the gage on the left bank is also flooded.
- 22.00 ftThe left, or north bank overflows into low lying areas. Route 22 is threatened.
- 20.00 ftThe left or north bank overflows into low lying areas.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 12% |
| Moderate flooding | 7% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.
Crest history
10 crests on NOAA’s list since 1936.
| # | Date | Stage |
|---|---|---|
| 1 | March 18, 1936 | 38.20 ft |
| 2 | June 23, 1972 | 33.07 ft |
| 3 | November 25, 1950 | 26.40 ft |
| 4 | September 18, 2004 | 23.76 ft |
| 5 | January 20, 1996 | 22.47 ft |
| 6 | December 31, 1942 | 20.82 ft |
| 7 | April 3, 1970 | 20.76 ft |
| 8 | February 26, 1961 | 18.61 ft |
| 9 | February 15, 1984 | 18.33 ft |
| 10 | March 12, 1952 | 18.14 ft |
Most recent crests
- September 18, 2004: 23.76 ft
- January 20, 1996: 22.47 ft
- February 15, 1984: 18.33 ft
- June 23, 1972: 33.07 ft
- April 3, 1970: 20.76 ft
- February 26, 1961: 18.61 ft
- March 12, 1952: 18.14 ft
- November 25, 1950: 26.40 ft
- December 31, 1942: 20.82 ft
- March 18, 1936: 38.20 ft
Nearby
Upstream, downstream and the gauges around this one.
- UpstreamJuniata River at Huntingdon
- DownstreamJuniata River at Lewistown
- Raystown Branch Juniata River at Huntingdon at Raystown Lake - Below Dam
- Central PA Dams Raystown Dam on Raystown Branch of Juniata River at Raystown Dam on Raystown Branch of Juniata River
- Aughwick Creek at Shirleysburg
- Aughwick Creek at Three Springs
- Frankstown Branch Juniata River at Williamsburg
- Little Juniata River at Spruce Creek
- Raystown Branch Juniata River at Saxton
What this means
Forecasts by the Middle Atlantic River Forecast Center. Forecasts are issued routinely year-round. Gauge reading may be affected by ice. Forecast flows are unadjusted for 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.