Web Portal Changes:

• AHPS - water.weather.gov- Scheduled operations ends on Tuesday, May 28th, 2024
• Please see water.noaa.gov/gauges/HARP1.  Please sub in your favorite location ID for HARP1 - bookmark it NOW
• The pages will automatically redirect to water.noaa.gov until May 28, 2025.
• Other Important URL changes - Service Change Notice 24-29 

Please visit https://www.weather.gov/owp/operations for more information.

Weather Forecast Office Greenville-Spartanburg, SC

Southeast River Forecast Center

Hydrograph

River at a Glance

Download

Auto Refresh: OFF

Printable Image About this graph Tabular Data (UTC) Tabular Data (EDT) Datum: NGVD29 Metadata

NOTE: Forecasts are not available for the Reedy River at Greenville @ I-85. Only observed stages are available for this point.

Default Hydrograph Scale to Flood Categories   Return to Area Map

Upstream Gauge

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 19 Moderate Flood Stage: 17 Flood Stage: 12 Action Stage: 11 Low Stage (in feet): -9999 Historic Crests (1) 11.88 ft on 08/27/1995 (2) 11.39 ft on 09/18/1975 (3) 11.21 ft on 07/29/2004 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 6.95 ft on 08/06/2013 (2) 7.34 ft on 07/31/2012 (3) 5.32 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. Show FEMA's National Flood Hazard Layers FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

Zoom Level:15 Legend FEMA Layer Gauge Location 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

If you notice any errors in the below information, please contact our Webmaster
17.25	WATER WILL TOUCH THE FOUNDATION OF BUILDING NEXT TO THE RIVER GAGE.
14	WATER WILL FLOW ACROSS PARKINS MILL ROAD.
12	WATER WILL AFFECT EQUIPMENT AT WASTEWATER TREATMENT PLANT JUST SOUTH OF MAULDIN ROAD BRIDGE.
10	RIVER GETS CLOSER TO BUILDINGS AT GAGE SITE AND ALSO GETS INTO AREAS AROUND THE WASTE WATER TREATMENT PLANT FURTHER DOWNSTREAM. WATER WILL ALL SO APPROACH PARKINS MILL ROAD.
6.5	RIVER OVER BANKS AND APPROACHING BUILDINGS.
5.8	CREST OF 5.8 FT WILL CAUSE CREST OF 12.4 FT AT SIMS1
5	BANKFULL STAGE....A RISE FROM 0.6 FT TO A CREST OF 5 FT RESULTED IN CREST AT SIMS1 OF 11.3 FT (AS 10 FT)
2	2.0 IN 12 HOUR CAUSED 5.8 FT CREST.
1.2	1.2 IN 1 HR WILL TAKE RIVER UP 1.5 FT
0.8	0.80 IN 2 TO 3 HOURS WILL MAKE THE REEDY RIVER RISE 1.5 FT CRESTS HERE WILL BE A LITTLE LESS THAN THAT AT GRES1 AND WILL BE ABOUT THE SAME TIME.

About This Location

Latitude: 34.800000° N, Longitude: 82.365121° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 12 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps Vertical Datum Elevation (gauge height = 0) Elevation (gauge height = flood stage) Elevation information source NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps NGVD 29 800 812 Older USGS topographic maps, NGVD29 benchmarks MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks Other Not Available Not Available   Current/Historical Observations: U.S. Geological Survey (USGS) Data and Site Info for Greenville @ I-85

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Inundation Mapping Locations

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Southeast River Forecast Center SERFC Ensemble River Forecasts Lower Mississippi River Forecast Center LMRFC Ensemble River Forecasts Hourly Precipitation Snow Information

Collaborative Agencies 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 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:30 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities