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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 Seneca Creek at Dawsonville are issued routinely year-round.
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Zoom Level:14
Flood Categories (in feet)
Major Flood Stage: 16
Moderate Flood Stage: 11
Flood Stage: 7.5
Action Stage: 5
Low Stage (in feet): 0

Historic Crests
(1) 16.40 ft on 06/22/1972
(2) 16.32 ft on 09/12/1971
(3) 15.78 ft on 09/09/2011 (P)
(4) 12.69 ft on 09/06/1979
(5) 12.67 ft on 09/26/1975
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(P): Preliminary values subject to further review.

Recent Crests
(1) 8.99 ft on 11/01/2019 (P)
(2) 11.73 ft on 07/08/2019 (P)
(3) 8.73 ft on 03/22/2019
(4) 8.98 ft on 12/16/2018
(5) 8.18 ft on 11/25/2018
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.60 ft on 10/28/1930
(2) 1.30 ft on 08/01/1974
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Gauge LocationGauge Map Marker
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
34 Water covers the Route 28 bridge near Dawsonville.
21 Water reaches the parking lot off Route 28 for Seneca Creek State Park.
16 Numerous roads are flooded near Seneca Creek. The exact roads affected will depend on which portion of the basin received the heaviest rainfall.
14 Water reaches the instrumentation inside the gage house. Automated reports from this location will likely be unavailable above this level.
11 Water from the creek enters the gage house. Reports from this location may become sporadic. Multiple roads are flooded, and water is also reaching the first floor of Old Black Rock Mill.
7.5 Portions of the Seneca Creek Greenway are flooded. A small portion of Berryville Road west of Darnestown begins to flood.
5 Water begins to overflow the banks underneath the route 28 bridge. Users of the seneca creek greenway should seek higher ground at these levels.

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
10 Day (HEFS) 7 Day (NAEFS) 7 Day (GEFS)
HEFS Ensemble NAEFS Ensemble  GEFS Ensemble 

Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours.

Click individual graphics to enlarge.

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
(Baltimore/Washington) Sterling Weather Forecast Office
43858 Weather Service Rd.
Sterling, VA 20166
(703) 996-2200
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Page last modified: 6-Nov-2019 2:41 PM
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