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Hydrograph River at a Glance Download
Swannanoa River at Black Mountain Park Stage (ft)Highest Observation: 6.17 ft at 8:10PM Oct 08, 2021Observed: 5.99 ft at 8:00AM Oct 09, 2021Observed: 5.91 ft at 2:00PM Oct 09, 2021Observed: 5.83 ft at 7:55PM Oct 09, 2021Observed: 5.77 ft at 1:55AM Oct 10, 2021Observed: 5.73 ft at 7:50AM Oct 10, 2021Observed: 5.69 ft at 1:45PM Oct 10, 2021Observed: 5.63 ft at 7:45PM Oct 10, 2021Observed: 5.59 ft at 1:40AM Oct 11, 2021Observed: 5.57 ft at 1:35PM Oct 11, 2021Observed: 5.53 ft at 7:30PM Oct 11, 2021Observed: 5.51 ft at 1:30AM Oct 12, 2021Observed: 5.49 ft at 7:25AM Oct 12, 2021Observed: 5.47 ft at 1:20PM Oct 12, 2021Observed: 5.45 ft at 7:20PM Oct 12, 2021Observed: 5.43 ft at 1:15AM Oct 13, 2021Observed: 5.43 ft at 1:10PM Oct 13, 2021Observed: 5.37 ft at 1:05AM Oct 14, 2021Observed: 5.37 ft at 7:00AM Oct 14, 2021Observed: 5.39 ft at 12:55PM Oct 14, 2021Observed: 5.33 ft at 6:55PM Oct 14, 2021Observed: 5.33 ft at 12:50AM Oct 15, 2021Observed: 5.33 ft at 6:50AM Oct 15, 2021Observed: 5.33 ft at 12:45PM Oct 15, 2021Observed: 5.31 ft at 6:40PM Oct 15, 2021Observed: 5.31 ft at 6:45PM Oct 15, 2021Observed: 5.29 ft at 12:40AM Oct 16, 2021Observed: 5.29 ft at 6:35AM Oct 16, 2021Observed: 5.29 ft at 12:35PM Oct 16, 2021Observed: 5.25 ft at 12:25AM Oct 17, 2021Observed: 5.27 ft at 6:25AM Oct 17, 2021Observed: 5.27 ft at 12:20PM Oct 17, 2021Observed: 5.25 ft at 6:15PM Oct 17, 2021Observed: 5.27 ft at 12:15AM Oct 18, 2021Observed: 5.27 ft at 6:10AM Oct 18, 2021Observed: 5.27 ft at 12:05PM Oct 18, 2021BMPN7(plotting HGIRR) Graph Created (12:22PM Oct 18, 2021)ObservedLatest observed value: 5.27 ft at 12:05 PM EDT 18-Oct-2021. Flood Stage is 10 ft
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Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts are not available for the Swannanoa River at Black Mountain Park. Only observed stages are available for this point.
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Downstream Gauge Downstream Locations
Flood Categories (in feet)
Major Flood Stage: 15
Moderate Flood Stage: 12
Flood Stage: 10
Action Stage: 9
Low Stage (in feet): 0

Historic Crests
(1) 9.06 ft on 05/06/2013
(2) 7.16 ft on 01/30/2013
(3) 5.64 ft on 08/26/2008
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(P): Preliminary values subject to further review.

Recent Crests
(1) 9.06 ft on 05/06/2013
(2) 7.16 ft on 01/30/2013
(3) 4.82 ft on 12/01/2010
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:15
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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
15 Major Flood Stage. The Swannanoa River is approaching I-40 and has inundated The Oaks Trail steel foot bridge. Significant flooding of the nearby Ingles shopping center parking lot is likely.
12 Moderate Flood Stage. The Swannanoa River is approaching The Oaks Trail steel foot bridge and the nearby Ingles shopping center parking lot. Significant flooding of Veterans Park, River Trail Loop, Veterans Park Dr., and The Oaks Trail is ongoing.
10 Minor Flood Stage. Veterans Park flooding continues. Sections of River Trail Loop and The Oaks Trail are flooding. Veterans Park Dr. may be starting to flood.
9 Action Stage. The Swannanoa River is exceeding its banks and flooding adjacent low-lying areas including parts of Veterans Park.
About This Location Collapse

Latitude: 35.607500° N, Longitude: 82.334444° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 10 ft  
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available  
NGVD 29 Not Available Not Available  
MSL Not Available Not Available  
Other Not Available Not Available  
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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
Greenville-Spartanburg Weather Forecast Office
1549 GSP Drive
Greer, SC 29651
(864) 848-3859
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Page last modified: 2-Nov-2020 7:30 PM
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