Frankstown Branch Juniata River at Williamsburg
Pennsylvania — Water Level & Flood Stage
Located in Blair County, Pennsylvania on the Frankstown Branch Juniata River. Live water level data from USGS gauge 01556000, updated every 15 minutes.
Current Water Level
Gage Height
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Streamflow
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Last Reading
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Flood Stages
Major Flood
15 ft
Moderate Flood
13 ft
Minor Flood
12 ft
Action Stage
9 ft
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
What Floods at Each Level
26 ft
FEMA 0.2% Annual Chance Flood Level (500-year flood).
22 ft
FEMA 1% Annual Chance Flood Level (100-year flood).
21 ft
FEMA 2% Annual Chance Flood Level (50-year flood). Flood waters begin to reach the Weller Road Bridge near Canoe Creek State Park.
19.5 ft
Flood of record from the remnants of Hurricane Ivan in September 2004.
18 ft
Most of Williamsburg is affected by high water. Very few houses on the right bank are above this level.
17.5 ft
FEMA 10% Annual Chance Flood Level (10-year flood).
17 ft
Many homes on the right, or south bank are affected by high water. The south approach to the highway bridge is unundated. A number of other streets and roads in the area are closed.
15 ft
Many homes on the right, or south bank will be affected by high water.
13 ft
Sections of route 866 from Williamsburg to Ganister are covered by flood waters.
12 ft
The right, or south bank overflows. The Road near the river upstream of Williamsburg is inundated. A few homes experience basement flooding.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| Sep 18, 2004 | 19.46 ft | 18,000 cfs |
| Sep 18, 2004 | 19.46 ft | 18,000 cfs |
| Jan 18, 1996 | 19.15 ft | 17,800 cfs |
| Jan 18, 1996 | 19.15 ft | 17,800 cfs |
| May 31, 1889 | 19.1 ft | 35,500 cfs |
About This Gauge
USGS Site
NWS LID
WIBP1
River
Frankstown Branch Juniata River
County
Blair, PA
Coordinates
40.4631°N, 78.2000°W
Get Flood Alerts for Frankstown Branch Juniata River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Frankstown Branch Juniata River at Williamsburg?
The Frankstown Branch Juniata River at Williamsburg gauge is maintained by USGS (site 01556000) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Frankstown Branch Juniata River at Williamsburg?
The NWS-defined flood stage for Frankstown Branch Juniata River at Williamsburg is 12 feet. Action stage begins at 9 feet. Moderate flooding starts at 13 feet, and major flooding at 15 feet.
How do I get alerts when Frankstown Branch Juniata River rises?
Download StormCast free on Google Play, go to River Gauges, and add Frankstown Branch Juniata River at Williamsburg to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category — even when your screen is off.
Where is the Frankstown Branch Juniata River at Williamsburg gauge located?
The gauge is located in Blair County, Pennsylvania at coordinates 40.4631°N, 78.2000°W. USGS site number: 01556000. Data is provided by the U.S. Geological Survey and the National Weather Service.
More Resources
Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Gauge reading may be affected by ice. Forecast flows are unadjusted for ice.