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This probabilistic forecast is issued by the Middle Atlantic River Forecast Center.
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About this graph
Forecasts for the Schuylkill River at Pottstown are issued routinely year-round.
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Upstream Gauge - at Reading Upstream Gauge Downstream Gauge Downstream Gauge - at Norristown
Zoom Level:16
Flood Categories (in feet)
Major Flood Stage: 22
Moderate Flood Stage: 18
Flood Stage: 12.5
Action Stage: 11
Low Stage (in feet): 0

Historic Crests
(1) 29.97 ft on 06/23/1972
(2) 21.00 ft on 02/28/1902
(3) 20.84 ft on 06/29/2006
(4) 20.15 ft on 05/23/1942
(5) 19.20 ft on 08/24/1933
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 12.94 ft on 08/14/2018
(2) 12.90 ft on 05/01/2014
(3) 18.27 ft on 09/09/2011
(4) 10.29 ft on 08/28/2011
(5) 14.13 ft on 03/12/2011
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.40 ft on 08/13/1930
KML Image
Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
30 The control building at the Sewage Treatment Plant downstream of Pottstown is flooded.
28 The PA Route 100 bridge is closed.
25 The aeration tanks at the Sewage Treatment Plant downstream of Pottstown is flooded.
23 The railroad running along the river is flooded.
22 The Hanover Street bridge is closed.
20 Industrial Highway and the Keim Street bridge is closed. The Sewage Treatment Plant downstream of Pottstown begins to flood.
19 Businesses in Pottstwon begin to flood
18 Additional roads in Pottstown begin to flood.
13 Portions of PA Route 724 along the Berks/Chester county line are closed due to high water, specfically Union Township in Berks county and North Coventry Township in Chester county.
12.5 Portions of PA Route 724 along the Berks/Chester county line begin to flood, specifically Union Township in Berks county and North Coventry Township in Chester county.
11 Sewers in the Pottstown area, due to high and backwater effects, begin to flood.

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
Potential River Levels - Used to
Potential River Levels
Used to Estimate the Chance of Flooding and the Range of Possible River Levels
3 Day (SREF) 7 Day (NAEFS) 7 Day (GEFS)
SREF Ensemble NAEFS Ensemble  GEFS Ensemble 

Note: Use the official hydrograph at the top of this web page for river levels within the next 48 hours.

See the Product Description Document link for more details on the interpretation of the 3,7 day graphics. 

Click individual graphics to enlarge.

ESP Expected Values plot
Probabilistic QPF Trace Ensemble
River Level Exceedence Chart
During winter months, cold and ice may result in inaccurate real-time stream stage and streamflow data. Adjustments or deletions of this data can only be done after detailed analysis.
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Philadelphia/Mount Holly Weather Forecast Office
732 Woodlane Road
Mount Holly, NJ 08060-9615
(609) 261-6600
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Page last modified: 6-Nov-2019 2:41 PM
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