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Hydrograph River at a Glance Download
Swannanoa River at Black Mountain Park Stage (ft)Observed: 5.17 ft at 11:15PM Apr 01, 2021Observed: 5.15 ft at 5:10AM Apr 02, 2021Observed: 5.13 ft at 11:10AM Apr 02, 2021Observed: 5.11 ft at 5:05PM Apr 02, 2021Observed: 5.07 ft at 5:00AM Apr 03, 2021Observed: 5.09 ft at 4:50PM Apr 03, 2021Observed: 5.07 ft at 10:50PM Apr 03, 2021Observed: 5.07 ft at 4:45AM Apr 04, 2021Observed: 5.23 ft at 10:40AM Apr 04, 2021Observed: 5.05 ft at 4:40PM Apr 04, 2021Observed: 5.03 ft at 10:35PM Apr 04, 2021Observed: 5.01 ft at 4:30AM Apr 05, 2021Observed: 5.01 ft at 4:35AM Apr 05, 2021Observed: 4.97 ft at 4:25PM Apr 05, 2021Observed: 4.97 ft at 10:25PM Apr 05, 2021Observed: 4.99 ft at 4:20AM Apr 06, 2021Observed: 4.99 ft at 10:15AM Apr 06, 2021Observed: 5.01 ft at 4:15PM Apr 06, 2021Observed: 4.97 ft at 10:10PM Apr 06, 2021Observed: 4.97 ft at 4:05AM Apr 07, 2021Observed: 4.99 ft at 4:00PM Apr 07, 2021Observed: 4.95 ft at 9:55PM Apr 07, 2021Observed: 4.95 ft at 10:00PM Apr 07, 2021Observed: 4.93 ft at 3:55AM Apr 08, 2021Observed: 4.95 ft at 9:50AM Apr 08, 2021Observed: 4.95 ft at 3:50PM Apr 08, 2021Observed: 4.93 ft at 9:45PM Apr 08, 2021Observed: 4.93 ft at 3:40AM Apr 09, 2021Observed: 4.93 ft at 9:40AM Apr 09, 2021Observed: 4.93 ft at 3:35PM Apr 09, 2021Observed: 4.91 ft at 9:30PM Apr 09, 2021Observed: 4.93 ft at 3:30AM Apr 10, 2021Observed: 4.93 ft at 9:25AM Apr 10, 2021Observed: 4.99 ft at 3:25PM Apr 10, 2021Observed: 5.23 ft at 4:30PM Apr 10, 2021Observed: 5.23 ft at 4:35PM Apr 10, 2021Observed: 5.51 ft at 4:45PM Apr 10, 2021Observed: 5.59 ft at 6:25PM Apr 10, 2021Observed: 5.89 ft at 7:45PM Apr 10, 2021Observed: 6.17 ft at 7:55PM Apr 10, 2021Observed: 6.45 ft at 8:00PM Apr 10, 2021Highest Observation: 6.73 ft at 8:10PM Apr 10, 2021Highest Observation: 6.73 ft at 8:55PM Apr 10, 2021Observed: 6.49 ft at 9:10PM Apr 10, 2021Observed: 6.25 ft at 9:20PM Apr 10, 2021Observed: 5.97 ft at 9:40PM Apr 10, 2021Observed: 5.73 ft at 10:35PM Apr 10, 2021BMPN7(plotting HGIRR) Graph Created (11:21PM Apr 10, 2021)ObservedLatest observed value: 5.73 ft at 10:35 PM EDT 10-Apr-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
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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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