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Hydrograph River at a Glance Download
Swannanoa River at Black Mountain Park Stage (ft)Observed: 5.27 ft at 9:10PM May 09, 2022Observed: 5.27 ft at 9:05AM May 10, 2022Observed: 5.27 ft at 3:00PM May 10, 2022Observed: 5.25 ft at 8:55PM May 10, 2022Observed: 5.25 ft at 2:45PM May 11, 2022Observed: 5.25 ft at 2:50PM May 11, 2022Observed: 5.23 ft at 8:45PM May 11, 2022Observed: 5.23 ft at 2:40AM May 12, 2022Observed: 5.23 ft at 8:40AM May 12, 2022Observed: 5.23 ft at 2:35PM May 12, 2022Observed: 5.21 ft at 8:30PM May 12, 2022Observed: 5.21 ft at 2:30AM May 13, 2022Observed: 5.25 ft at 8:25AM May 13, 2022Observed: 5.23 ft at 8:20PM May 13, 2022Observed: 5.47 ft at 9:15PM May 13, 2022Highest Observation: 5.75 ft at 9:30PM May 13, 2022Observed: 5.51 ft at 11:05PM May 13, 2022Observed: 5.31 ft at 2:15AM May 14, 2022Observed: 5.27 ft at 8:15AM May 14, 2022Observed: 5.53 ft at 2:00PM May 14, 2022Observed: 5.27 ft at 2:05AM May 15, 2022Observed: 5.31 ft at 8:00AM May 15, 2022Observed: 5.27 ft at 2:00PM May 15, 2022Observed: 5.25 ft at 7:55PM May 15, 2022Observed: 5.23 ft at 1:50AM May 16, 2022Observed: 5.23 ft at 7:50AM May 16, 2022Observed: 5.25 ft at 1:45PM May 16, 2022Observed: 5.21 ft at 7:40PM May 16, 2022Observed: 5.21 ft at 7:45PM May 16, 2022Observed: 5.21 ft at 1:40AM May 17, 2022Observed: 5.21 ft at 7:35AM May 17, 2022Observed: 5.21 ft at 1:35PM May 17, 2022Observed: 5.19 ft at 7:30PM May 17, 2022Observed: 5.19 ft at 1:25AM May 18, 2022Observed: 5.21 ft at 1:20PM May 18, 2022Observed: 5.17 ft at 7:20PM May 18, 2022Observed: 5.17 ft at 1:15AM May 19, 2022Observed: 5.21 ft at 7:10AM May 19, 2022Observed: 5.29 ft at 1:10PM May 19, 2022BMPN7(plotting HGIRR) Graph Created (2:22PM May 19, 2022)ObservedLatest observed value: 5.29 ft at 1:10 PM EDT 19-May-2022. Flood Stage is 10 ft
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About this graph
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
Show More Historic Crests

(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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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
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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